{"id":4819,"date":"2025-08-22T15:00:24","date_gmt":"2025-08-22T14:00:24","guid":{"rendered":"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//?page_id=4819"},"modified":"2026-03-04T15:52:28","modified_gmt":"2026-03-04T15:52:28","slug":"point-source-pollution","status":"publish","type":"page","link":"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//quality/groundwater/wp-json/wp/v2/pages/4819//point-source-pollution/groundwater/wp-json/wp/v2/pages/4819//","title":{"rendered":"Point-source pollution of groundwater"},"content":{"rendered":"/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t<section class=/groundwater/wp-json/wp/v2/pages/4819/"hero-section hero-section-with-social/groundwater/wp-json/wp/v2/pages/4819/">/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t<div class=/groundwater/wp-json/wp/v2/pages/4819/"hero-info-wrap/groundwater/wp-json/wp/v2/pages/4819/">/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t<div class=/groundwater/wp-json/wp/v2/pages/4819/"container/groundwater/wp-json/wp/v2/pages/4819/">/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t<div class=/groundwater/wp-json/wp/v2/pages/4819/"row/groundwater/wp-json/wp/v2/pages/4819/">/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t<div class=/groundwater/wp-json/wp/v2/pages/4819/"col-12/groundwater/wp-json/wp/v2/pages/4819/">/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t<div class=/groundwater/wp-json/wp/v2/pages/4819/"hero-info/groundwater/wp-json/wp/v2/pages/4819/">/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t<h1>Point-source pollution of groundwater</groundwater/wp-json/wp/v2/pages/4819//h1>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t</groundwater/wp-json/wp/v2/pages/4819//div>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t</groundwater/wp-json/wp/v2/pages/4819//div>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t</groundwater/wp-json/wp/v2/pages/4819//div>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t</groundwater/wp-json/wp/v2/pages/4819//div>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t</groundwater/wp-json/wp/v2/pages/4819//div>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t<div class=/groundwater/wp-json/wp/v2/pages/4819/"social-wrap social-wrap-inline-them/groundwater/wp-json/wp/v2/pages/4819/">/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t<div class=/groundwater/wp-json/wp/v2/pages/4819/"sea-background-f/groundwater/wp-json/wp/v2/pages/4819/">/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t<span>Share this article</groundwater/wp-json/wp/v2/pages/4819//span><a target=/groundwater/wp-json/wp/v2/pages/4819/"_blank/groundwater/wp-json/wp/v2/pages/4819/"  href=/groundwater/wp-json/wp/v2/pages/4819/"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.facebook.com/groundwater/wp-json/wp/v2/pages/4819//sharer/groundwater/wp-json/wp/v2/pages/4819//sharer.php?u=https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//quality/groundwater/wp-json/wp/v2/pages/4819//point-source-pollution/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819/"><span class=/groundwater/wp-json/wp/v2/pages/4819/"icon-facebook/groundwater/wp-json/wp/v2/pages/4819/"><span class=/groundwater/wp-json/wp/v2/pages/4819/"hidden/groundwater/wp-json/wp/v2/pages/4819/">Facebook</groundwater/wp-json/wp/v2/pages/4819//span></groundwater/wp-json/wp/v2/pages/4819//span></groundwater/wp-json/wp/v2/pages/4819//a><a target=/groundwater/wp-json/wp/v2/pages/4819/"_blank/groundwater/wp-json/wp/v2/pages/4819/"  href=/groundwater/wp-json/wp/v2/pages/4819/"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//twitter.com/groundwater/wp-json/wp/v2/pages/4819//intent/groundwater/wp-json/wp/v2/pages/4819//tweet?text=Point-source%20pollution%20of%20groundwater&#038;url=https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//quality/groundwater/wp-json/wp/v2/pages/4819//point-source-pollution/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819/"><span class=/groundwater/wp-json/wp/v2/pages/4819/"icon-twitter/groundwater/wp-json/wp/v2/pages/4819/"><span class=/groundwater/wp-json/wp/v2/pages/4819/"hidden/groundwater/wp-json/wp/v2/pages/4819/">Twitter</groundwater/wp-json/wp/v2/pages/4819//span></groundwater/wp-json/wp/v2/pages/4819//span></groundwater/wp-json/wp/v2/pages/4819//a><a   onclick=/groundwater/wp-json/wp/v2/pages/4819/"javascript:void( (function() {var e=document.createElement('script' );e.setAttribute('type','text/groundwater/wp-json/wp/v2/pages/4819//javascript' );e.setAttribute('charset','UTF-8' );e.setAttribute('src','/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//assets.pinterest.com/groundwater/wp-json/wp/v2/pages/4819//js/groundwater/wp-json/wp/v2/pages/4819//pinmarklet.js?r='+Math.random()*99999999);document.body.appendChild(e)})());/groundwater/wp-json/wp/v2/pages/4819/"  href=/groundwater/wp-json/wp/v2/pages/4819/"javascript:void(0);/groundwater/wp-json/wp/v2/pages/4819/"><span class=/groundwater/wp-json/wp/v2/pages/4819/"icon-pinterest/groundwater/wp-json/wp/v2/pages/4819/"><span class=/groundwater/wp-json/wp/v2/pages/4819/"hidden/groundwater/wp-json/wp/v2/pages/4819/">Pinterest</groundwater/wp-json/wp/v2/pages/4819//span></groundwater/wp-json/wp/v2/pages/4819//span></groundwater/wp-json/wp/v2/pages/4819//a><a target=/groundwater/wp-json/wp/v2/pages/4819/"_blank/groundwater/wp-json/wp/v2/pages/4819/"  href=/groundwater/wp-json/wp/v2/pages/4819/"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//wa.me?text=https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//quality/groundwater/wp-json/wp/v2/pages/4819//point-source-pollution/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819/"><span class=/groundwater/wp-json/wp/v2/pages/4819/"icon-whatsapp/groundwater/wp-json/wp/v2/pages/4819/"><span class=/groundwater/wp-json/wp/v2/pages/4819/"hidden/groundwater/wp-json/wp/v2/pages/4819/">WhatsApp</groundwater/wp-json/wp/v2/pages/4819//span></groundwater/wp-json/wp/v2/pages/4819//span></groundwater/wp-json/wp/v2/pages/4819//a><a   href=/groundwater/wp-json/wp/v2/pages/4819/"mailto:?subject=Point-source%20pollution%20of%20groundwater&#038;body=Research%20into%20pollution%20discharged%20from%20a%20discrete%20location.%20(https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//quality/groundwater/wp-json/wp/v2/pages/4819//point-source-pollution/groundwater/wp-json/wp/v2/pages/4819//)/groundwater/wp-json/wp/v2/pages/4819/"><span class=/groundwater/wp-json/wp/v2/pages/4819/"icon-mail/groundwater/wp-json/wp/v2/pages/4819/"><span class=/groundwater/wp-json/wp/v2/pages/4819/"hidden/groundwater/wp-json/wp/v2/pages/4819/">Email</groundwater/wp-json/wp/v2/pages/4819//span></groundwater/wp-json/wp/v2/pages/4819//span></groundwater/wp-json/wp/v2/pages/4819//a><a href=/groundwater/wp-json/wp/v2/pages/4819/"#/groundwater/wp-json/wp/v2/pages/4819/" data-copy=/groundwater/wp-json/wp/v2/pages/4819/"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//quality/groundwater/wp-json/wp/v2/pages/4819//point-source-pollution/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819/" class=/groundwater/wp-json/wp/v2/pages/4819/"copy-url-on-click/groundwater/wp-json/wp/v2/pages/4819/"><span class=/groundwater/wp-json/wp/v2/pages/4819/"icon-link/groundwater/wp-json/wp/v2/pages/4819/"><span class=/groundwater/wp-json/wp/v2/pages/4819/"hidden/groundwater/wp-json/wp/v2/pages/4819/">Copy Link</groundwater/wp-json/wp/v2/pages/4819//span></groundwater/wp-json/wp/v2/pages/4819//span></groundwater/wp-json/wp/v2/pages/4819//a></groundwater/wp-json/wp/v2/pages/4819//div></groundwater/wp-json/wp/v2/pages/4819//div>/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t</groundwater/wp-json/wp/v2/pages/4819//section>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n<section class=/groundwater/wp-json/wp/v2/pages/4819/"wp-block-bgs-blocks-content-container content-section/groundwater/wp-json/wp/v2/pages/4819/"><div class=/groundwater/wp-json/wp/v2/pages/4819/"container/groundwater/wp-json/wp/v2/pages/4819/"><div class=/groundwater/wp-json/wp/v2/pages/4819/"row/groundwater/wp-json/wp/v2/pages/4819/"><div class=/groundwater/wp-json/wp/v2/pages/4819/"col-12/groundwater/wp-json/wp/v2/pages/4819/">/groundwater/wp-json/wp/v2/pages/4819/n<p>Point-source water pollution is pollution that is discharged from a discrete location. Point-source pollutants in groundwater are usually found in a plume that has the highest concentrations of the pollutant nearest the source and diminishing concentrations further away from the source.</groundwater/wp-json/wp/v2/pages/4819//p>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n<p>The various types of point source pollutants found in waters are as varied as the types of business, industrial, agricultural and urban sources that produce them.</groundwater/wp-json/wp/v2/pages/4819//p>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n<figure  class=/groundwater/wp-json/wp/v2/pages/4819/"img-wrap/groundwater/wp-json/wp/v2/pages/4819/"><a href=/groundwater/wp-json/wp/v2/pages/4819/"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//wp-content/groundwater/wp-json/wp/v2/pages/4819//uploads/groundwater/wp-json/wp/v2/pages/4819//sites/groundwater/wp-json/wp/v2/pages/4819//4/groundwater/wp-json/wp/v2/pages/4819//2025/groundwater/wp-json/wp/v2/pages/4819//08/groundwater/wp-json/wp/v2/pages/4819//P734755.webp/groundwater/wp-json/wp/v2/pages/4819/" data-toggle=/groundwater/wp-json/wp/v2/pages/4819/"lightbox/groundwater/wp-json/wp/v2/pages/4819/" data-footer=/groundwater/wp-json/wp/v2/pages/4819/"&lt;p&gt;Summerston landfill site near Glasgow, Scotland, 1995. The landfill site was active from 1986 to 2002. BGS /groundwater/wp-json/wp/v2/pages/4819/u00a9 UKRI.&lt;/groundwater/wp-json/wp/v2/pages/4819//p&gt;/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/" data-gallery=/groundwater/wp-json/wp/v2/pages/4819/"gallery_51067/groundwater/wp-json/wp/v2/pages/4819/"><img decoding=/groundwater/wp-json/wp/v2/pages/4819/"async/groundwater/wp-json/wp/v2/pages/4819/" src=/groundwater/wp-json/wp/v2/pages/4819/"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//wp-content/groundwater/wp-json/wp/v2/pages/4819//uploads/groundwater/wp-json/wp/v2/pages/4819//sites/groundwater/wp-json/wp/v2/pages/4819//4/groundwater/wp-json/wp/v2/pages/4819//2025/groundwater/wp-json/wp/v2/pages/4819//08/groundwater/wp-json/wp/v2/pages/4819//P734755.webp/groundwater/wp-json/wp/v2/pages/4819/" class=/groundwater/wp-json/wp/v2/pages/4819/"lazy-blur/groundwater/wp-json/wp/v2/pages/4819/" alt=/groundwater/wp-json/wp/v2/pages/4819/"A landfill site with a tractor and lots and lots of gulls/groundwater/wp-json/wp/v2/pages/4819/" data-src=/groundwater/wp-json/wp/v2/pages/4819/"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//wp-content/groundwater/wp-json/wp/v2/pages/4819//uploads/groundwater/wp-json/wp/v2/pages/4819//sites/groundwater/wp-json/wp/v2/pages/4819//4/groundwater/wp-json/wp/v2/pages/4819//2025/groundwater/wp-json/wp/v2/pages/4819//08/groundwater/wp-json/wp/v2/pages/4819//P734755.webp/groundwater/wp-json/wp/v2/pages/4819/" /groundwater/wp-json/wp/v2/pages/4819//></groundwater/wp-json/wp/v2/pages/4819//a><figcaption class=/groundwater/wp-json/wp/v2/pages/4819/"caption /groundwater/wp-json/wp/v2/pages/4819/">/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t<div class=/groundwater/wp-json/wp/v2/pages/4819/"caption-icon/groundwater/wp-json/wp/v2/pages/4819/">/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t<img decoding=/groundwater/wp-json/wp/v2/pages/4819/"async/groundwater/wp-json/wp/v2/pages/4819/" src=/groundwater/wp-json/wp/v2/pages/4819/"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//wp-content/groundwater/wp-json/wp/v2/pages/4819//themes/groundwater/wp-json/wp/v2/pages/4819//bgs/groundwater/wp-json/wp/v2/pages/4819//img/groundwater/wp-json/wp/v2/pages/4819//info-caption.svg/groundwater/wp-json/wp/v2/pages/4819/" alt=/groundwater/wp-json/wp/v2/pages/4819/"Information icon/groundwater/wp-json/wp/v2/pages/4819/">/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t</groundwater/wp-json/wp/v2/pages/4819//div>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t<div class=/groundwater/wp-json/wp/v2/pages/4819/"caption-text/groundwater/wp-json/wp/v2/pages/4819/"><p>Summerston landfill site near Glasgow, Scotland, 1995. The landfill site was active from 1986 to 2002. BGS /groundwater/wp-json/wp/v2/pages/4819/u00a9 UKRI.</groundwater/wp-json/wp/v2/pages/4819//p>/groundwater/wp-json/wp/v2/pages/4819/n</groundwater/wp-json/wp/v2/pages/4819//div>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t<div class=/groundwater/wp-json/wp/v2/pages/4819/"expand-box expand-box-top/groundwater/wp-json/wp/v2/pages/4819/"><a href=/groundwater/wp-json/wp/v2/pages/4819/"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//wp-content/groundwater/wp-json/wp/v2/pages/4819//uploads/groundwater/wp-json/wp/v2/pages/4819//sites/groundwater/wp-json/wp/v2/pages/4819//4/groundwater/wp-json/wp/v2/pages/4819//2025/groundwater/wp-json/wp/v2/pages/4819//08/groundwater/wp-json/wp/v2/pages/4819//P734755.webp/groundwater/wp-json/wp/v2/pages/4819/" ><img decoding=/groundwater/wp-json/wp/v2/pages/4819/"async/groundwater/wp-json/wp/v2/pages/4819/" src=/groundwater/wp-json/wp/v2/pages/4819/"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//wp-content/groundwater/wp-json/wp/v2/pages/4819//themes/groundwater/wp-json/wp/v2/pages/4819//bgs/groundwater/wp-json/wp/v2/pages/4819//img/groundwater/wp-json/wp/v2/pages/4819//expand.svg/groundwater/wp-json/wp/v2/pages/4819/" alt=/groundwater/wp-json/wp/v2/pages/4819/"Expand icon/groundwater/wp-json/wp/v2/pages/4819/"></groundwater/wp-json/wp/v2/pages/4819//a></groundwater/wp-json/wp/v2/pages/4819//div>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t</groundwater/wp-json/wp/v2/pages/4819//figcaption></groundwater/wp-json/wp/v2/pages/4819//figure>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n<p>Point sources can include:</groundwater/wp-json/wp/v2/pages/4819//p>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n<ul class=/groundwater/wp-json/wp/v2/pages/4819/"wp-block-list/groundwater/wp-json/wp/v2/pages/4819/">/groundwater/wp-json/wp/v2/pages/4819/n<li>direct discharges from factories such as raw materials and wastes may include pollutants such as solvents, petroleum products (such as oil and gasoline), or heavy metals</groundwater/wp-json/wp/v2/pages/4819//li>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n<li>point sources of pollution from agriculture may include animal feeding operations and animal waste treatment lagoons, or storage, handling, mixing, and cleaning areas for pesticides, fertilisers and petroleum</groundwater/wp-json/wp/v2/pages/4819//li>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n<li>municipal point sources might include waste-water treatment plants, landfill sites, garages, motor pools and fleet-maintenance facilities</groundwater/wp-json/wp/v2/pages/4819//li>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n<li>other sources include mine discharge water and mine spoil run-off</groundwater/wp-json/wp/v2/pages/4819//li>/groundwater/wp-json/wp/v2/pages/4819/n</groundwater/wp-json/wp/v2/pages/4819//ul>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n<h2 class=/groundwater/wp-json/wp/v2/pages/4819/"wp-block-heading/groundwater/wp-json/wp/v2/pages/4819/" id=/groundwater/wp-json/wp/v2/pages/4819/"nonaqueous/groundwater/wp-json/wp/v2/pages/4819/">Non-aqueous phase organic compounds</groundwater/wp-json/wp/v2/pages/4819//h2>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n<p>In groundwater some of the most persistent point-source pollutants are volatile organic compounds, which include manufactured and refined toxic substances, and&nbsp;non-aqueous phase organic compounds. These are split into &#8216;light&#8217; and dense&#8217; non-aqueous phase organics liquids, also called LNAPL and DNAPL. (&#8216;Light&#8217; in this case means the compound has a lower density than water and &#8216;dense&#8217; means that the compound is denser than water.)</groundwater/wp-json/wp/v2/pages/4819//p>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n<p>Once LNAPLs infiltrate to the subsurface, they are commonly retained close to the water table, within the zone of fluctuation. The effort to locate and remove LNAPLs is relatively cheaper and easier than that needed for DNAPLs. Examples of LNAPLs are petrol, diesel and other hydrocarbons.</groundwater/wp-json/wp/v2/pages/4819//p>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n<p>DNAPLs tend to sink below the water table when spilled in significant quantities. They are difficult to locate and remediate because they come to rest in the subsurface as disconnected blobs and ganglia of liquid, and in potentially mobile distributions referred to as pools.</groundwater/wp-json/wp/v2/pages/4819//p>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n<figure  class=/groundwater/wp-json/wp/v2/pages/4819/"img-wrap/groundwater/wp-json/wp/v2/pages/4819/"><img decoding=/groundwater/wp-json/wp/v2/pages/4819/"async/groundwater/wp-json/wp/v2/pages/4819/" src=/groundwater/wp-json/wp/v2/pages/4819/"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//wp-content/groundwater/wp-json/wp/v2/pages/4819//uploads/groundwater/wp-json/wp/v2/pages/4819//sites/groundwater/wp-json/wp/v2/pages/4819//4/groundwater/wp-json/wp/v2/pages/4819//2025/groundwater/wp-json/wp/v2/pages/4819//08/groundwater/wp-json/wp/v2/pages/4819//EPA_Divers_map_pools_of_creosote_on_the_bottom_of_Eagle_Harbor_6756929103.jpg/groundwater/wp-json/wp/v2/pages/4819/" class=/groundwater/wp-json/wp/v2/pages/4819/"lazy-blur/groundwater/wp-json/wp/v2/pages/4819/" alt=/groundwater/wp-json/wp/v2/pages/4819/"black blob of creosote on the bottom or the sea/groundwater/wp-json/wp/v2/pages/4819/" data-src=/groundwater/wp-json/wp/v2/pages/4819/"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//wp-content/groundwater/wp-json/wp/v2/pages/4819//uploads/groundwater/wp-json/wp/v2/pages/4819//sites/groundwater/wp-json/wp/v2/pages/4819//4/groundwater/wp-json/wp/v2/pages/4819//2025/groundwater/wp-json/wp/v2/pages/4819//08/groundwater/wp-json/wp/v2/pages/4819//EPA_Divers_map_pools_of_creosote_on_the_bottom_of_Eagle_Harbor_6756929103.jpg/groundwater/wp-json/wp/v2/pages/4819/" /groundwater/wp-json/wp/v2/pages/4819//><figcaption class=/groundwater/wp-json/wp/v2/pages/4819/"caption /groundwater/wp-json/wp/v2/pages/4819/">/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t<div class=/groundwater/wp-json/wp/v2/pages/4819/"caption-icon/groundwater/wp-json/wp/v2/pages/4819/">/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t<img decoding=/groundwater/wp-json/wp/v2/pages/4819/"async/groundwater/wp-json/wp/v2/pages/4819/" src=/groundwater/wp-json/wp/v2/pages/4819/"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//wp-content/groundwater/wp-json/wp/v2/pages/4819//themes/groundwater/wp-json/wp/v2/pages/4819//bgs/groundwater/wp-json/wp/v2/pages/4819//img/groundwater/wp-json/wp/v2/pages/4819//info-caption.svg/groundwater/wp-json/wp/v2/pages/4819/" alt=/groundwater/wp-json/wp/v2/pages/4819/"Information icon/groundwater/wp-json/wp/v2/pages/4819/">/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t</groundwater/wp-json/wp/v2/pages/4819//div>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t<div class=/groundwater/wp-json/wp/v2/pages/4819/"caption-text/groundwater/wp-json/wp/v2/pages/4819/"><p>Creosote is denser than water and so forms into potentially mobile blobs or pools. This image is of creosote at the bottom of the Puget Sound. Public domain image from the US EPA.</groundwater/wp-json/wp/v2/pages/4819//p>/groundwater/wp-json/wp/v2/pages/4819/n</groundwater/wp-json/wp/v2/pages/4819//div>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t</groundwater/wp-json/wp/v2/pages/4819//figcaption></groundwater/wp-json/wp/v2/pages/4819//figure>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n<p>Once DNAPLs are present in bedrock, they will slowly dissolve into groundwater, giving rise to aqueous phase plumes. The plumes will generally migrate in the hydraulically down-gradient direction, subject to advection, dispersion, sorption to fracture walls, possible biodegradation and matrix diffusion.</groundwater/wp-json/wp/v2/pages/4819//p>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n<p>Examples of materials that are DNAPLs when spilled include: </groundwater/wp-json/wp/v2/pages/4819//p>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n<ul class=/groundwater/wp-json/wp/v2/pages/4819/"wp-block-list/groundwater/wp-json/wp/v2/pages/4819/">/groundwater/wp-json/wp/v2/pages/4819/n<li>chlorinated solvents, such as trichloroethylene, tetrachloroethene, 1,1,1-trichloroethane and carbon tetrachloride</groundwater/wp-json/wp/v2/pages/4819//li>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n<li>coal tar</groundwater/wp-json/wp/v2/pages/4819//li>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n<li>creosote </groundwater/wp-json/wp/v2/pages/4819//li>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n<li>polychlorinated biphenyls (PCBs)</groundwater/wp-json/wp/v2/pages/4819//li>/groundwater/wp-json/wp/v2/pages/4819/n</groundwater/wp-json/wp/v2/pages/4819//ul>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n<h2 class=/groundwater/wp-json/wp/v2/pages/4819/"wp-block-heading/groundwater/wp-json/wp/v2/pages/4819/">Chlorinated solvents</groundwater/wp-json/wp/v2/pages/4819//h2>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n<p>Although chlorinated solvents tend to be relatively resistant to degradation within most aquifer systems, there can be effective degradation in anaerobic systems. Under suitable conditions, biodegradation and volatilisation can contribute significantly to the removal of chlorinated solvents from the subsurface, making natural attenuation a potentially important remediation alternative.</groundwater/wp-json/wp/v2/pages/4819//p>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n<p>A study of chlorinated solvent distribution in the Permo/groundwater/wp-json/wp/v2/pages/4819/u2013Triassic sandstone of north-west England showed that significant changes in lithology and permeability on the submetre scale control the distribution of solvents in the unsaturated zone (Lawrence et al., 2006). These compounds may also be volatile and give rise to&nbsp;vapour plumes in the unsaturated zone.</groundwater/wp-json/wp/v2/pages/4819//p>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n<h2 class=/groundwater/wp-json/wp/v2/pages/4819/"wp-block-heading/groundwater/wp-json/wp/v2/pages/4819/">Further reading</groundwater/wp-json/wp/v2/pages/4819//h2>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n<div  class=/groundwater/wp-json/wp/v2/pages/4819/"accordions/groundwater/wp-json/wp/v2/pages/4819/">/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t<div class=/groundwater/wp-json/wp/v2/pages/4819/"acc-wrap/groundwater/wp-json/wp/v2/pages/4819/">/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t<button class=/groundwater/wp-json/wp/v2/pages/4819/"acc-top secondary-background icon-arrow button no-btn/groundwater/wp-json/wp/v2/pages/4819/"><span class=/groundwater/wp-json/wp/v2/pages/4819/"button-content/groundwater/wp-json/wp/v2/pages/4819/" tabindex=/groundwater/wp-json/wp/v2/pages/4819/"-1/groundwater/wp-json/wp/v2/pages/4819/">References</groundwater/wp-json/wp/v2/pages/4819//span></groundwater/wp-json/wp/v2/pages/4819//button>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t<div class=/groundwater/wp-json/wp/v2/pages/4819/"acc-body sea-background-e/groundwater/wp-json/wp/v2/pages/4819/">/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t<p>Lawrence, A, Stuart, M, Cheney, C, Jones, N, and Moss, R. 2006. <a href=/groundwater/wp-json/wp/v2/pages/4819/"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//doi.org/groundwater/wp-json/wp/v2/pages/4819//10.1007/groundwater/wp-json/wp/v2/pages/4819//s10040-006-0068-6/groundwater/wp-json/wp/v2/pages/4819/" target=/groundwater/wp-json/wp/v2/pages/4819/"_blank/groundwater/wp-json/wp/v2/pages/4819/" rel=/groundwater/wp-json/wp/v2/pages/4819/"noopener/groundwater/wp-json/wp/v2/pages/4819/">Investigating the scale of structural controls on chlorinated hydrocarbon distributions in the fractured-porous unsaturated zone of a sandstone aquifer in the UK</groundwater/wp-json/wp/v2/pages/4819//a>./groundwater/wp-json/wp/v2/pages/4819/u00a0<em>Hydrogeology Journal</groundwater/wp-json/wp/v2/pages/4819//em>, Vol. 14, 1470/groundwater/wp-json/wp/v2/pages/4819/u20131482. DOI: https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//doi.org/groundwater/wp-json/wp/v2/pages/4819//10.1007/groundwater/wp-json/wp/v2/pages/4819//s10040-006-0068-6</groundwater/wp-json/wp/v2/pages/4819//p>/groundwater/wp-json/wp/v2/pages/4819/n<p><span class=/groundwater/wp-json/wp/v2/pages/4819/"person nerc_int_name/groundwater/wp-json/wp/v2/pages/4819/"><span class=/groundwater/wp-json/wp/v2/pages/4819/"person_name/groundwater/wp-json/wp/v2/pages/4819/">Wealthall, G P,</groundwater/wp-json/wp/v2/pages/4819//span></groundwater/wp-json/wp/v2/pages/4819//span>/groundwater/wp-json/wp/v2/pages/4819/u00a0<span class=/groundwater/wp-json/wp/v2/pages/4819/"person/groundwater/wp-json/wp/v2/pages/4819/"><span class=/groundwater/wp-json/wp/v2/pages/4819/"person_name/groundwater/wp-json/wp/v2/pages/4819/">Rivett, M O,</groundwater/wp-json/wp/v2/pages/4819//span></groundwater/wp-json/wp/v2/pages/4819//span> and <span class=/groundwater/wp-json/wp/v2/pages/4819/"person nerc_int_name/groundwater/wp-json/wp/v2/pages/4819/"><span class=/groundwater/wp-json/wp/v2/pages/4819/"person_name/groundwater/wp-json/wp/v2/pages/4819/">Dearden, R A</groundwater/wp-json/wp/v2/pages/4819//span></groundwater/wp-json/wp/v2/pages/4819//span>. 2010. <a href=/groundwater/wp-json/wp/v2/pages/4819/"http:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//nora.nerc.ac.uk/groundwater/wp-json/wp/v2/pages/4819//12787/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819/" target=/groundwater/wp-json/wp/v2/pages/4819/"_blank/groundwater/wp-json/wp/v2/pages/4819/" rel=/groundwater/wp-json/wp/v2/pages/4819/"noopener/groundwater/wp-json/wp/v2/pages/4819/">A review of transport and attenuation of dissolved-phase volatile organic compounds (VOCs) in the unsaturated zone</groundwater/wp-json/wp/v2/pages/4819//a>. <em>British Geological Survey Open Report</groundwater/wp-json/wp/v2/pages/4819//em> OR/groundwater/wp-json/wp/v2/pages/4819//10/groundwater/wp-json/wp/v2/pages/4819//061. (Nottingham, UK: British Geological Survey.) Available: http:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//nora.nerc.ac.uk/groundwater/wp-json/wp/v2/pages/4819//12787/groundwater/wp-json/wp/v2/pages/4819//</groundwater/wp-json/wp/v2/pages/4819//p>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t</groundwater/wp-json/wp/v2/pages/4819//div>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t</groundwater/wp-json/wp/v2/pages/4819//div>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t</groundwater/wp-json/wp/v2/pages/4819//div></groundwater/wp-json/wp/v2/pages/4819//div></groundwater/wp-json/wp/v2/pages/4819//div></groundwater/wp-json/wp/v2/pages/4819//div></groundwater/wp-json/wp/v2/pages/4819//section>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/n<section class=/groundwater/wp-json/wp/v2/pages/4819/"cta-section  sea-background-e /groundwater/wp-json/wp/v2/pages/4819/">/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/t<div class=/groundwater/wp-json/wp/v2/pages/4819/"container/groundwater/wp-json/wp/v2/pages/4819/">/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t<div class=/groundwater/wp-json/wp/v2/pages/4819/"row md-row/groundwater/wp-json/wp/v2/pages/4819/">/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t<div class=/groundwater/wp-json/wp/v2/pages/4819/"col-12/groundwater/wp-json/wp/v2/pages/4819/">/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t<h2>Need more information?</groundwater/wp-json/wp/v2/pages/4819//h2>/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t<div class=/groundwater/wp-json/wp/v2/pages/4819/"btn-wrap/groundwater/wp-json/wp/v2/pages/4819/"><a href=/groundwater/wp-json/wp/v2/pages/4819/"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//people/groundwater/wp-json/wp/v2/pages/4819//lapworth-daniel/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819/"  class=/groundwater/wp-json/wp/v2/pages/4819/"button primary-background   /groundwater/wp-json/wp/v2/pages/4819/">Contact Dan Lapworth</groundwater/wp-json/wp/v2/pages/4819//a></groundwater/wp-json/wp/v2/pages/4819//div>/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t</groundwater/wp-json/wp/v2/pages/4819//div>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/t/groundwater/wp-json/wp/v2/pages/4819/t</groundwater/wp-json/wp/v2/pages/4819//div>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/t</groundwater/wp-json/wp/v2/pages/4819//div>/groundwater/wp-json/wp/v2/pages/4819/n</groundwater/wp-json/wp/v2/pages/4819//section>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/t","protected":false},"excerpt":{"rendered":"<p>Research into pollution discharged from a discrete location.</groundwater/wp-json/wp/v2/pages/4819//p>/groundwater/wp-json/wp/v2/pages/4819/n","protected":false},"author":7,"featured_media":5595,"parent":55,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"1","_relevanssi_noindex_reason":"","footnotes":""},"tags":[],"class_list":["post-4819","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//yoast.com/groundwater/wp-json/wp/v2/pages/4819//product/groundwater/wp-json/wp/v2/pages/4819//yoast-seo-wordpress/groundwater/wp-json/wp/v2/pages/4819// -->/groundwater/wp-json/wp/v2/pages/4819/n<title>Point-source pollution of groundwater - BGS Groundwater</groundwater/wp-json/wp/v2/pages/4819//title>/groundwater/wp-json/wp/v2/pages/4819/n<meta name=/groundwater/wp-json/wp/v2/pages/4819/"description/groundwater/wp-json/wp/v2/pages/4819/" content=/groundwater/wp-json/wp/v2/pages/4819/"Nitrate contamination of groundwater from diffuse pollution from agriculture has long been recognised as an important public health issue./groundwater/wp-json/wp/v2/pages/4819/" /groundwater/wp-json/wp/v2/pages/4819//>/groundwater/wp-json/wp/v2/pages/4819/n<meta name=/groundwater/wp-json/wp/v2/pages/4819/"robots/groundwater/wp-json/wp/v2/pages/4819/" content=/groundwater/wp-json/wp/v2/pages/4819/"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1/groundwater/wp-json/wp/v2/pages/4819/" /groundwater/wp-json/wp/v2/pages/4819//>/groundwater/wp-json/wp/v2/pages/4819/n<link rel=/groundwater/wp-json/wp/v2/pages/4819/"canonical/groundwater/wp-json/wp/v2/pages/4819/" href=/groundwater/wp-json/wp/v2/pages/4819/"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//quality/groundwater/wp-json/wp/v2/pages/4819//point-source-pollution/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819/" /groundwater/wp-json/wp/v2/pages/4819//>/groundwater/wp-json/wp/v2/pages/4819/n<meta property=/groundwater/wp-json/wp/v2/pages/4819/"og:locale/groundwater/wp-json/wp/v2/pages/4819/" content=/groundwater/wp-json/wp/v2/pages/4819/"en_GB/groundwater/wp-json/wp/v2/pages/4819/" /groundwater/wp-json/wp/v2/pages/4819//>/groundwater/wp-json/wp/v2/pages/4819/n<meta property=/groundwater/wp-json/wp/v2/pages/4819/"og:type/groundwater/wp-json/wp/v2/pages/4819/" content=/groundwater/wp-json/wp/v2/pages/4819/"article/groundwater/wp-json/wp/v2/pages/4819/" /groundwater/wp-json/wp/v2/pages/4819//>/groundwater/wp-json/wp/v2/pages/4819/n<meta property=/groundwater/wp-json/wp/v2/pages/4819/"og:title/groundwater/wp-json/wp/v2/pages/4819/" content=/groundwater/wp-json/wp/v2/pages/4819/"Point-source pollution of groundwater - BGS Groundwater/groundwater/wp-json/wp/v2/pages/4819/" /groundwater/wp-json/wp/v2/pages/4819//>/groundwater/wp-json/wp/v2/pages/4819/n<meta property=/groundwater/wp-json/wp/v2/pages/4819/"og:description/groundwater/wp-json/wp/v2/pages/4819/" content=/groundwater/wp-json/wp/v2/pages/4819/"Nitrate contamination of groundwater from diffuse pollution from agriculture has long been recognised as an important public health issue./groundwater/wp-json/wp/v2/pages/4819/" /groundwater/wp-json/wp/v2/pages/4819//>/groundwater/wp-json/wp/v2/pages/4819/n<meta property=/groundwater/wp-json/wp/v2/pages/4819/"og:url/groundwater/wp-json/wp/v2/pages/4819/" content=/groundwater/wp-json/wp/v2/pages/4819/"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//quality/groundwater/wp-json/wp/v2/pages/4819//point-source-pollution/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819/" /groundwater/wp-json/wp/v2/pages/4819//>/groundwater/wp-json/wp/v2/pages/4819/n<meta property=/groundwater/wp-json/wp/v2/pages/4819/"og:site_name/groundwater/wp-json/wp/v2/pages/4819/" content=/groundwater/wp-json/wp/v2/pages/4819/"BGS Groundwater/groundwater/wp-json/wp/v2/pages/4819/" /groundwater/wp-json/wp/v2/pages/4819//>/groundwater/wp-json/wp/v2/pages/4819/n<meta property=/groundwater/wp-json/wp/v2/pages/4819/"article:modified_time/groundwater/wp-json/wp/v2/pages/4819/" content=/groundwater/wp-json/wp/v2/pages/4819/"2026-03-04T15:52:28+00:00/groundwater/wp-json/wp/v2/pages/4819/" /groundwater/wp-json/wp/v2/pages/4819//>/groundwater/wp-json/wp/v2/pages/4819/n<meta property=/groundwater/wp-json/wp/v2/pages/4819/"og:image/groundwater/wp-json/wp/v2/pages/4819/" content=/groundwater/wp-json/wp/v2/pages/4819/"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//wp-content/groundwater/wp-json/wp/v2/pages/4819//uploads/groundwater/wp-json/wp/v2/pages/4819//sites/groundwater/wp-json/wp/v2/pages/4819//4/groundwater/wp-json/wp/v2/pages/4819//2025/groundwater/wp-json/wp/v2/pages/4819//10/groundwater/wp-json/wp/v2/pages/4819//P734755-thumb.webp/groundwater/wp-json/wp/v2/pages/4819/" /groundwater/wp-json/wp/v2/pages/4819//>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/t<meta property=/groundwater/wp-json/wp/v2/pages/4819/"og:image:width/groundwater/wp-json/wp/v2/pages/4819/" content=/groundwater/wp-json/wp/v2/pages/4819/"640/groundwater/wp-json/wp/v2/pages/4819/" /groundwater/wp-json/wp/v2/pages/4819//>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/t<meta property=/groundwater/wp-json/wp/v2/pages/4819/"og:image:height/groundwater/wp-json/wp/v2/pages/4819/" content=/groundwater/wp-json/wp/v2/pages/4819/"430/groundwater/wp-json/wp/v2/pages/4819/" /groundwater/wp-json/wp/v2/pages/4819//>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/t<meta property=/groundwater/wp-json/wp/v2/pages/4819/"og:image:type/groundwater/wp-json/wp/v2/pages/4819/" content=/groundwater/wp-json/wp/v2/pages/4819/"image/groundwater/wp-json/wp/v2/pages/4819//webp/groundwater/wp-json/wp/v2/pages/4819/" /groundwater/wp-json/wp/v2/pages/4819//>/groundwater/wp-json/wp/v2/pages/4819/n<meta name=/groundwater/wp-json/wp/v2/pages/4819/"twitter:card/groundwater/wp-json/wp/v2/pages/4819/" content=/groundwater/wp-json/wp/v2/pages/4819/"summary_large_image/groundwater/wp-json/wp/v2/pages/4819/" /groundwater/wp-json/wp/v2/pages/4819//>/groundwater/wp-json/wp/v2/pages/4819/n<meta name=/groundwater/wp-json/wp/v2/pages/4819/"twitter:label1/groundwater/wp-json/wp/v2/pages/4819/" content=/groundwater/wp-json/wp/v2/pages/4819/"Estimated reading time/groundwater/wp-json/wp/v2/pages/4819/" /groundwater/wp-json/wp/v2/pages/4819//>/groundwater/wp-json/wp/v2/pages/4819/n/groundwater/wp-json/wp/v2/pages/4819/t<meta name=/groundwater/wp-json/wp/v2/pages/4819/"twitter:data1/groundwater/wp-json/wp/v2/pages/4819/" content=/groundwater/wp-json/wp/v2/pages/4819/"2 minutes/groundwater/wp-json/wp/v2/pages/4819/" /groundwater/wp-json/wp/v2/pages/4819//>/groundwater/wp-json/wp/v2/pages/4819/n<script type=/groundwater/wp-json/wp/v2/pages/4819/"application/groundwater/wp-json/wp/v2/pages/4819//ld+json/groundwater/wp-json/wp/v2/pages/4819/" class=/groundwater/wp-json/wp/v2/pages/4819/"yoast-schema-graph/groundwater/wp-json/wp/v2/pages/4819/">{/groundwater/wp-json/wp/v2/pages/4819/"@context/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//schema.org/groundwater/wp-json/wp/v2/pages/4819/",/groundwater/wp-json/wp/v2/pages/4819/"@graph/groundwater/wp-json/wp/v2/pages/4819/":[{/groundwater/wp-json/wp/v2/pages/4819/"@type/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"WebPage/groundwater/wp-json/wp/v2/pages/4819/",/groundwater/wp-json/wp/v2/pages/4819/"@id/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//quality/groundwater/wp-json/wp/v2/pages/4819//point-source-pollution/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819/",/groundwater/wp-json/wp/v2/pages/4819/"url/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//quality/groundwater/wp-json/wp/v2/pages/4819//point-source-pollution/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819/",/groundwater/wp-json/wp/v2/pages/4819/"name/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"Point-source pollution of groundwater - BGS Groundwater/groundwater/wp-json/wp/v2/pages/4819/",/groundwater/wp-json/wp/v2/pages/4819/"isPartOf/groundwater/wp-json/wp/v2/pages/4819/":{/groundwater/wp-json/wp/v2/pages/4819/"@id/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//#website/groundwater/wp-json/wp/v2/pages/4819/"},/groundwater/wp-json/wp/v2/pages/4819/"primaryImageOfPage/groundwater/wp-json/wp/v2/pages/4819/":{/groundwater/wp-json/wp/v2/pages/4819/"@id/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//quality/groundwater/wp-json/wp/v2/pages/4819//point-source-pollution/groundwater/wp-json/wp/v2/pages/4819//#primaryimage/groundwater/wp-json/wp/v2/pages/4819/"},/groundwater/wp-json/wp/v2/pages/4819/"image/groundwater/wp-json/wp/v2/pages/4819/":{/groundwater/wp-json/wp/v2/pages/4819/"@id/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//quality/groundwater/wp-json/wp/v2/pages/4819//point-source-pollution/groundwater/wp-json/wp/v2/pages/4819//#primaryimage/groundwater/wp-json/wp/v2/pages/4819/"},/groundwater/wp-json/wp/v2/pages/4819/"thumbnailUrl/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//wp-content/groundwater/wp-json/wp/v2/pages/4819//uploads/groundwater/wp-json/wp/v2/pages/4819//sites/groundwater/wp-json/wp/v2/pages/4819//4/groundwater/wp-json/wp/v2/pages/4819//2025/groundwater/wp-json/wp/v2/pages/4819//10/groundwater/wp-json/wp/v2/pages/4819//P734755-thumb.webp/groundwater/wp-json/wp/v2/pages/4819/",/groundwater/wp-json/wp/v2/pages/4819/"datePublished/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"2025-08-22T14:00:24+00:00/groundwater/wp-json/wp/v2/pages/4819/",/groundwater/wp-json/wp/v2/pages/4819/"dateModified/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"2026-03-04T15:52:28+00:00/groundwater/wp-json/wp/v2/pages/4819/",/groundwater/wp-json/wp/v2/pages/4819/"description/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"Nitrate contamination of groundwater from diffuse pollution from agriculture has long been recognised as an important public health issue./groundwater/wp-json/wp/v2/pages/4819/",/groundwater/wp-json/wp/v2/pages/4819/"breadcrumb/groundwater/wp-json/wp/v2/pages/4819/":{/groundwater/wp-json/wp/v2/pages/4819/"@id/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//quality/groundwater/wp-json/wp/v2/pages/4819//point-source-pollution/groundwater/wp-json/wp/v2/pages/4819//#breadcrumb/groundwater/wp-json/wp/v2/pages/4819/"},/groundwater/wp-json/wp/v2/pages/4819/"inLanguage/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"en-GB/groundwater/wp-json/wp/v2/pages/4819/",/groundwater/wp-json/wp/v2/pages/4819/"potentialAction/groundwater/wp-json/wp/v2/pages/4819/":[{/groundwater/wp-json/wp/v2/pages/4819/"@type/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"ReadAction/groundwater/wp-json/wp/v2/pages/4819/",/groundwater/wp-json/wp/v2/pages/4819/"target/groundwater/wp-json/wp/v2/pages/4819/":[/groundwater/wp-json/wp/v2/pages/4819/"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//quality/groundwater/wp-json/wp/v2/pages/4819//point-source-pollution/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819/"]}]},{/groundwater/wp-json/wp/v2/pages/4819/"@type/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"ImageObject/groundwater/wp-json/wp/v2/pages/4819/",/groundwater/wp-json/wp/v2/pages/4819/"inLanguage/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"en-GB/groundwater/wp-json/wp/v2/pages/4819/",/groundwater/wp-json/wp/v2/pages/4819/"@id/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//quality/groundwater/wp-json/wp/v2/pages/4819//point-source-pollution/groundwater/wp-json/wp/v2/pages/4819//#primaryimage/groundwater/wp-json/wp/v2/pages/4819/",/groundwater/wp-json/wp/v2/pages/4819/"url/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//wp-content/groundwater/wp-json/wp/v2/pages/4819//uploads/groundwater/wp-json/wp/v2/pages/4819//sites/groundwater/wp-json/wp/v2/pages/4819//4/groundwater/wp-json/wp/v2/pages/4819//2025/groundwater/wp-json/wp/v2/pages/4819//10/groundwater/wp-json/wp/v2/pages/4819//P734755-thumb.webp/groundwater/wp-json/wp/v2/pages/4819/",/groundwater/wp-json/wp/v2/pages/4819/"contentUrl/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//wp-content/groundwater/wp-json/wp/v2/pages/4819//uploads/groundwater/wp-json/wp/v2/pages/4819//sites/groundwater/wp-json/wp/v2/pages/4819//4/groundwater/wp-json/wp/v2/pages/4819//2025/groundwater/wp-json/wp/v2/pages/4819//10/groundwater/wp-json/wp/v2/pages/4819//P734755-thumb.webp/groundwater/wp-json/wp/v2/pages/4819/",/groundwater/wp-json/wp/v2/pages/4819/"width/groundwater/wp-json/wp/v2/pages/4819/":640,/groundwater/wp-json/wp/v2/pages/4819/"height/groundwater/wp-json/wp/v2/pages/4819/":430,/groundwater/wp-json/wp/v2/pages/4819/"caption/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"Summerston Landfill, Glasgow, 1995. BGS /groundwater/wp-json/wp/v2/pages/4819/u00a9 UKRI./groundwater/wp-json/wp/v2/pages/4819/"},{/groundwater/wp-json/wp/v2/pages/4819/"@type/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"BreadcrumbList/groundwater/wp-json/wp/v2/pages/4819/",/groundwater/wp-json/wp/v2/pages/4819/"@id/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//quality/groundwater/wp-json/wp/v2/pages/4819//point-source-pollution/groundwater/wp-json/wp/v2/pages/4819//#breadcrumb/groundwater/wp-json/wp/v2/pages/4819/",/groundwater/wp-json/wp/v2/pages/4819/"itemListElement/groundwater/wp-json/wp/v2/pages/4819/":[{/groundwater/wp-json/wp/v2/pages/4819/"@type/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"ListItem/groundwater/wp-json/wp/v2/pages/4819/",/groundwater/wp-json/wp/v2/pages/4819/"position/groundwater/wp-json/wp/v2/pages/4819/":1,/groundwater/wp-json/wp/v2/pages/4819/"name/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"Home/groundwater/wp-json/wp/v2/pages/4819/",/groundwater/wp-json/wp/v2/pages/4819/"item/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819/"},{/groundwater/wp-json/wp/v2/pages/4819/"@type/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"ListItem/groundwater/wp-json/wp/v2/pages/4819/",/groundwater/wp-json/wp/v2/pages/4819/"position/groundwater/wp-json/wp/v2/pages/4819/":2,/groundwater/wp-json/wp/v2/pages/4819/"name/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"Quality/groundwater/wp-json/wp/v2/pages/4819/",/groundwater/wp-json/wp/v2/pages/4819/"item/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//quality/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819/"},{/groundwater/wp-json/wp/v2/pages/4819/"@type/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"ListItem/groundwater/wp-json/wp/v2/pages/4819/",/groundwater/wp-json/wp/v2/pages/4819/"position/groundwater/wp-json/wp/v2/pages/4819/":3,/groundwater/wp-json/wp/v2/pages/4819/"name/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"Point-source pollution of groundwater/groundwater/wp-json/wp/v2/pages/4819/"}]},{/groundwater/wp-json/wp/v2/pages/4819/"@type/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"WebSite/groundwater/wp-json/wp/v2/pages/4819/",/groundwater/wp-json/wp/v2/pages/4819/"@id/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//#website/groundwater/wp-json/wp/v2/pages/4819/",/groundwater/wp-json/wp/v2/pages/4819/"url/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819/",/groundwater/wp-json/wp/v2/pages/4819/"name/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"BGS Groundwater/groundwater/wp-json/wp/v2/pages/4819/",/groundwater/wp-json/wp/v2/pages/4819/"description/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"/groundwater/wp-json/wp/v2/pages/4819/",/groundwater/wp-json/wp/v2/pages/4819/"publisher/groundwater/wp-json/wp/v2/pages/4819/":{/groundwater/wp-json/wp/v2/pages/4819/"@id/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//#organization/groundwater/wp-json/wp/v2/pages/4819/"},/groundwater/wp-json/wp/v2/pages/4819/"potentialAction/groundwater/wp-json/wp/v2/pages/4819/":[{/groundwater/wp-json/wp/v2/pages/4819/"@type/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"SearchAction/groundwater/wp-json/wp/v2/pages/4819/",/groundwater/wp-json/wp/v2/pages/4819/"target/groundwater/wp-json/wp/v2/pages/4819/":{/groundwater/wp-json/wp/v2/pages/4819/"@type/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"EntryPoint/groundwater/wp-json/wp/v2/pages/4819/",/groundwater/wp-json/wp/v2/pages/4819/"urlTemplate/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//?s={search_term_string}/groundwater/wp-json/wp/v2/pages/4819/"},/groundwater/wp-json/wp/v2/pages/4819/"query-input/groundwater/wp-json/wp/v2/pages/4819/":{/groundwater/wp-json/wp/v2/pages/4819/"@type/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"PropertyValueSpecification/groundwater/wp-json/wp/v2/pages/4819/",/groundwater/wp-json/wp/v2/pages/4819/"valueRequired/groundwater/wp-json/wp/v2/pages/4819/":true,/groundwater/wp-json/wp/v2/pages/4819/"valueName/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"search_term_string/groundwater/wp-json/wp/v2/pages/4819/"}}],/groundwater/wp-json/wp/v2/pages/4819/"inLanguage/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"en-GB/groundwater/wp-json/wp/v2/pages/4819/"},{/groundwater/wp-json/wp/v2/pages/4819/"@type/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"Organization/groundwater/wp-json/wp/v2/pages/4819/",/groundwater/wp-json/wp/v2/pages/4819/"@id/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//#organization/groundwater/wp-json/wp/v2/pages/4819/",/groundwater/wp-json/wp/v2/pages/4819/"name/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"BGS Groundwater/groundwater/wp-json/wp/v2/pages/4819/",/groundwater/wp-json/wp/v2/pages/4819/"url/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819/",/groundwater/wp-json/wp/v2/pages/4819/"logo/groundwater/wp-json/wp/v2/pages/4819/":{/groundwater/wp-json/wp/v2/pages/4819/"@type/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"ImageObject/groundwater/wp-json/wp/v2/pages/4819/",/groundwater/wp-json/wp/v2/pages/4819/"inLanguage/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"en-GB/groundwater/wp-json/wp/v2/pages/4819/",/groundwater/wp-json/wp/v2/pages/4819/"@id/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//#/groundwater/wp-json/wp/v2/pages/4819//schema/groundwater/wp-json/wp/v2/pages/4819//logo/groundwater/wp-json/wp/v2/pages/4819//image/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819/",/groundwater/wp-json/wp/v2/pages/4819/"url/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//wp-content/groundwater/wp-json/wp/v2/pages/4819//uploads/groundwater/wp-json/wp/v2/pages/4819//sites/groundwater/wp-json/wp/v2/pages/4819//4/groundwater/wp-json/wp/v2/pages/4819//2026/groundwater/wp-json/wp/v2/pages/4819//05/groundwater/wp-json/wp/v2/pages/4819//BGS_Groundwater_pos-object-text-clip.svg/groundwater/wp-json/wp/v2/pages/4819/",/groundwater/wp-json/wp/v2/pages/4819/"contentUrl/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//wp-content/groundwater/wp-json/wp/v2/pages/4819//uploads/groundwater/wp-json/wp/v2/pages/4819//sites/groundwater/wp-json/wp/v2/pages/4819//4/groundwater/wp-json/wp/v2/pages/4819//2026/groundwater/wp-json/wp/v2/pages/4819//05/groundwater/wp-json/wp/v2/pages/4819//BGS_Groundwater_pos-object-text-clip.svg/groundwater/wp-json/wp/v2/pages/4819/",/groundwater/wp-json/wp/v2/pages/4819/"width/groundwater/wp-json/wp/v2/pages/4819/":472,/groundwater/wp-json/wp/v2/pages/4819/"height/groundwater/wp-json/wp/v2/pages/4819/":98,/groundwater/wp-json/wp/v2/pages/4819/"caption/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"BGS Groundwater/groundwater/wp-json/wp/v2/pages/4819/"},/groundwater/wp-json/wp/v2/pages/4819/"image/groundwater/wp-json/wp/v2/pages/4819/":{/groundwater/wp-json/wp/v2/pages/4819/"@id/groundwater/wp-json/wp/v2/pages/4819/":/groundwater/wp-json/wp/v2/pages/4819/"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//#/groundwater/wp-json/wp/v2/pages/4819//schema/groundwater/wp-json/wp/v2/pages/4819//logo/groundwater/wp-json/wp/v2/pages/4819//image/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819/"}}]}</groundwater/wp-json/wp/v2/pages/4819//script>/groundwater/wp-json/wp/v2/pages/4819/n<!-- /groundwater/wp-json/wp/v2/pages/4819// Yoast SEO plugin. -->","yoast_head_json":{"title":"Point-source pollution of groundwater - BGS Groundwater","description":"Nitrate contamination of groundwater from diffuse pollution from agriculture has long been recognised as an important public health issue.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//quality/groundwater/wp-json/wp/v2/pages/4819//point-source-pollution/groundwater/wp-json/wp/v2/pages/4819//","og_locale":"en_GB","og_type":"article","og_title":"Point-source pollution of groundwater - BGS Groundwater","og_description":"Nitrate contamination of groundwater from diffuse pollution from agriculture has long been recognised as an important public health issue.","og_url":"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//quality/groundwater/wp-json/wp/v2/pages/4819//point-source-pollution/groundwater/wp-json/wp/v2/pages/4819//","og_site_name":"BGS Groundwater","article_modified_time":"2026-03-04T15:52:28+00:00","og_image":[{"width":640,"height":430,"url":"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//wp-content/groundwater/wp-json/wp/v2/pages/4819//uploads/groundwater/wp-json/wp/v2/pages/4819//sites/groundwater/wp-json/wp/v2/pages/4819//4/groundwater/wp-json/wp/v2/pages/4819//2025/groundwater/wp-json/wp/v2/pages/4819//10/groundwater/wp-json/wp/v2/pages/4819//P734755-thumb.webp","type":"image/groundwater/wp-json/wp/v2/pages/4819//webp"}],"twitter_card":"summary_large_image","twitter_misc":{"Estimated reading time":"2 minutes"},"schema":{"@context":"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//schema.org","@graph":[{"@type":"WebPage","@id":"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//quality/groundwater/wp-json/wp/v2/pages/4819//point-source-pollution/groundwater/wp-json/wp/v2/pages/4819//","url":"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//quality/groundwater/wp-json/wp/v2/pages/4819//point-source-pollution/groundwater/wp-json/wp/v2/pages/4819//","name":"Point-source pollution of groundwater - BGS Groundwater","isPartOf":{"@id":"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//#website"},"primaryImageOfPage":{"@id":"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//quality/groundwater/wp-json/wp/v2/pages/4819//point-source-pollution/groundwater/wp-json/wp/v2/pages/4819//#primaryimage"},"image":{"@id":"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//quality/groundwater/wp-json/wp/v2/pages/4819//point-source-pollution/groundwater/wp-json/wp/v2/pages/4819//#primaryimage"},"thumbnailUrl":"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//wp-content/groundwater/wp-json/wp/v2/pages/4819//uploads/groundwater/wp-json/wp/v2/pages/4819//sites/groundwater/wp-json/wp/v2/pages/4819//4/groundwater/wp-json/wp/v2/pages/4819//2025/groundwater/wp-json/wp/v2/pages/4819//10/groundwater/wp-json/wp/v2/pages/4819//P734755-thumb.webp","datePublished":"2025-08-22T14:00:24+00:00","dateModified":"2026-03-04T15:52:28+00:00","description":"Nitrate contamination of groundwater from diffuse pollution from agriculture has long been recognised as an important public health issue.","breadcrumb":{"@id":"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//quality/groundwater/wp-json/wp/v2/pages/4819//point-source-pollution/groundwater/wp-json/wp/v2/pages/4819//#breadcrumb"},"inLanguage":"en-GB","potentialAction":[{"@type":"ReadAction","target":["https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//quality/groundwater/wp-json/wp/v2/pages/4819//point-source-pollution/groundwater/wp-json/wp/v2/pages/4819//"]}]},{"@type":"ImageObject","inLanguage":"en-GB","@id":"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//quality/groundwater/wp-json/wp/v2/pages/4819//point-source-pollution/groundwater/wp-json/wp/v2/pages/4819//#primaryimage","url":"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//wp-content/groundwater/wp-json/wp/v2/pages/4819//uploads/groundwater/wp-json/wp/v2/pages/4819//sites/groundwater/wp-json/wp/v2/pages/4819//4/groundwater/wp-json/wp/v2/pages/4819//2025/groundwater/wp-json/wp/v2/pages/4819//10/groundwater/wp-json/wp/v2/pages/4819//P734755-thumb.webp","contentUrl":"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//wp-content/groundwater/wp-json/wp/v2/pages/4819//uploads/groundwater/wp-json/wp/v2/pages/4819//sites/groundwater/wp-json/wp/v2/pages/4819//4/groundwater/wp-json/wp/v2/pages/4819//2025/groundwater/wp-json/wp/v2/pages/4819//10/groundwater/wp-json/wp/v2/pages/4819//P734755-thumb.webp","width":640,"height":430,"caption":"Summerston Landfill, Glasgow, 1995. BGS /groundwater/wp-json/wp/v2/pages/4819/u00a9 UKRI."},{"@type":"BreadcrumbList","@id":"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//quality/groundwater/wp-json/wp/v2/pages/4819//point-source-pollution/groundwater/wp-json/wp/v2/pages/4819//#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//"},{"@type":"ListItem","position":2,"name":"Quality","item":"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//quality/groundwater/wp-json/wp/v2/pages/4819//"},{"@type":"ListItem","position":3,"name":"Point-source pollution of groundwater"}]},{"@type":"WebSite","@id":"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//#website","url":"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//","name":"BGS Groundwater","description":"","publisher":{"@id":"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-GB"},{"@type":"Organization","@id":"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//#organization","name":"BGS Groundwater","url":"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//","logo":{"@type":"ImageObject","inLanguage":"en-GB","@id":"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//#/groundwater/wp-json/wp/v2/pages/4819//schema/groundwater/wp-json/wp/v2/pages/4819//logo/groundwater/wp-json/wp/v2/pages/4819//image/groundwater/wp-json/wp/v2/pages/4819//","url":"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//wp-content/groundwater/wp-json/wp/v2/pages/4819//uploads/groundwater/wp-json/wp/v2/pages/4819//sites/groundwater/wp-json/wp/v2/pages/4819//4/groundwater/wp-json/wp/v2/pages/4819//2026/groundwater/wp-json/wp/v2/pages/4819//05/groundwater/wp-json/wp/v2/pages/4819//BGS_Groundwater_pos-object-text-clip.svg","contentUrl":"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//wp-content/groundwater/wp-json/wp/v2/pages/4819//uploads/groundwater/wp-json/wp/v2/pages/4819//sites/groundwater/wp-json/wp/v2/pages/4819//4/groundwater/wp-json/wp/v2/pages/4819//2026/groundwater/wp-json/wp/v2/pages/4819//05/groundwater/wp-json/wp/v2/pages/4819//BGS_Groundwater_pos-object-text-clip.svg","width":472,"height":98,"caption":"BGS Groundwater"},"image":{"@id":"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//#/groundwater/wp-json/wp/v2/pages/4819//schema/groundwater/wp-json/wp/v2/pages/4819//logo/groundwater/wp-json/wp/v2/pages/4819//image/groundwater/wp-json/wp/v2/pages/4819//"}}]}},"_links":{"self":[{"href":"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//wp-json/groundwater/wp-json/wp/v2/pages/4819//wp/groundwater/wp-json/wp/v2/pages/4819//v2/groundwater/wp-json/wp/v2/pages/4819//pages/groundwater/wp-json/wp/v2/pages/4819//4819","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//wp-json/groundwater/wp-json/wp/v2/pages/4819//wp/groundwater/wp-json/wp/v2/pages/4819//v2/groundwater/wp-json/wp/v2/pages/4819//pages"}],"about":[{"href":"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//wp-json/groundwater/wp-json/wp/v2/pages/4819//wp/groundwater/wp-json/wp/v2/pages/4819//v2/groundwater/wp-json/wp/v2/pages/4819//types/groundwater/wp-json/wp/v2/pages/4819//page"}],"author":[{"embeddable":true,"href":"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//wp-json/groundwater/wp-json/wp/v2/pages/4819//wp/groundwater/wp-json/wp/v2/pages/4819//v2/groundwater/wp-json/wp/v2/pages/4819//users/groundwater/wp-json/wp/v2/pages/4819//7"}],"replies":[{"embeddable":true,"href":"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//wp-json/groundwater/wp-json/wp/v2/pages/4819//wp/groundwater/wp-json/wp/v2/pages/4819//v2/groundwater/wp-json/wp/v2/pages/4819//comments?post=4819"}],"version-history":[{"count":11,"href":"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//wp-json/groundwater/wp-json/wp/v2/pages/4819//wp/groundwater/wp-json/wp/v2/pages/4819//v2/groundwater/wp-json/wp/v2/pages/4819//pages/groundwater/wp-json/wp/v2/pages/4819//4819/groundwater/wp-json/wp/v2/pages/4819//revisions"}],"predecessor-version":[{"id":8064,"href":"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//wp-json/groundwater/wp-json/wp/v2/pages/4819//wp/groundwater/wp-json/wp/v2/pages/4819//v2/groundwater/wp-json/wp/v2/pages/4819//pages/groundwater/wp-json/wp/v2/pages/4819//4819/groundwater/wp-json/wp/v2/pages/4819//revisions/groundwater/wp-json/wp/v2/pages/4819//8064"}],"up":[{"embeddable":true,"href":"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//wp-json/groundwater/wp-json/wp/v2/pages/4819//wp/groundwater/wp-json/wp/v2/pages/4819//v2/groundwater/wp-json/wp/v2/pages/4819//pages/groundwater/wp-json/wp/v2/pages/4819//55"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//wp-json/groundwater/wp-json/wp/v2/pages/4819//wp/groundwater/wp-json/wp/v2/pages/4819//v2/groundwater/wp-json/wp/v2/pages/4819//media/groundwater/wp-json/wp/v2/pages/4819//5595"}],"wp:attachment":[{"href":"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//wp-json/groundwater/wp-json/wp/v2/pages/4819//wp/groundwater/wp-json/wp/v2/pages/4819//v2/groundwater/wp-json/wp/v2/pages/4819//media?parent=4819"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/4819//groundwater/groundwater/wp-json/wp/v2/pages/4819//wp-json/groundwater/wp-json/wp/v2/pages/4819//wp/groundwater/wp-json/wp/v2/pages/4819//v2/groundwater/wp-json/wp/v2/pages/4819//tags?post=4819"}],"curies":[{"name":"wp","href":"https:/groundwater/wp-json/wp/v2/pages/4819///groundwater/wp-json/wp/v2/pages/4819//api.w.org/groundwater/wp-json/wp/v2/pages/4819//{rel}","templated":true}]}}