{"id":171,"date":"2023-11-23T12:33:01","date_gmt":"2023-11-23T12:33:01","guid":{"rendered":"https:/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/171//groundwater/groundwater/wp-json/wp/v2/pages/171//data/groundwater/wp-json/wp/v2/pages/171//groundwater-levels/groundwater/wp-json/wp/v2/pages/171//chilgrove-house/groundwater/wp-json/wp/v2/pages/171//"},"modified":"2025-12-17T13:52:15","modified_gmt":"2025-12-17T13:52:15","slug":"chilgrove-house","status":"publish","type":"page","link":"https:/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/171//groundwater/groundwater/wp-json/wp/v2/pages/171//data/groundwater/wp-json/wp/v2/pages/171//groundwater-levels/groundwater/wp-json/wp/v2/pages/171//chilgrove-house/groundwater/wp-json/wp/v2/pages/171//","title":{"rendered":"Chilgrove House"},"content":{"rendered":"/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t<section class=/groundwater/wp-json/wp/v2/pages/171/"hero-section hero-section-with-social/groundwater/wp-json/wp/v2/pages/171/">/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t<div class=/groundwater/wp-json/wp/v2/pages/171/"hero-info-wrap/groundwater/wp-json/wp/v2/pages/171/">/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t<div class=/groundwater/wp-json/wp/v2/pages/171/"container/groundwater/wp-json/wp/v2/pages/171/">/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t<div class=/groundwater/wp-json/wp/v2/pages/171/"row/groundwater/wp-json/wp/v2/pages/171/">/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t<div class=/groundwater/wp-json/wp/v2/pages/171/"col-12/groundwater/wp-json/wp/v2/pages/171/">/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t<div class=/groundwater/wp-json/wp/v2/pages/171/"hero-info/groundwater/wp-json/wp/v2/pages/171/">/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t<h1>Chilgrove House</groundwater/wp-json/wp/v2/pages/171//h1>/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t</groundwater/wp-json/wp/v2/pages/171//div>/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t</groundwater/wp-json/wp/v2/pages/171//div>/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t</groundwater/wp-json/wp/v2/pages/171//div>/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t</groundwater/wp-json/wp/v2/pages/171//div>/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t</groundwater/wp-json/wp/v2/pages/171//div>/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t<div class=/groundwater/wp-json/wp/v2/pages/171/"social-wrap social-wrap-inline-them/groundwater/wp-json/wp/v2/pages/171/">/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t<div class=/groundwater/wp-json/wp/v2/pages/171/"sea-background-f/groundwater/wp-json/wp/v2/pages/171/">/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t<span>Share this article</groundwater/wp-json/wp/v2/pages/171//span><a target=/groundwater/wp-json/wp/v2/pages/171/"_blank/groundwater/wp-json/wp/v2/pages/171/"  href=/groundwater/wp-json/wp/v2/pages/171/"https:/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171//www.facebook.com/groundwater/wp-json/wp/v2/pages/171//sharer/groundwater/wp-json/wp/v2/pages/171//sharer.php?u=https:/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/171//groundwater/groundwater/wp-json/wp/v2/pages/171//data/groundwater/wp-json/wp/v2/pages/171//groundwater-levels/groundwater/wp-json/wp/v2/pages/171//chilgrove-house/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171/"><span class=/groundwater/wp-json/wp/v2/pages/171/"icon-facebook/groundwater/wp-json/wp/v2/pages/171/"><span class=/groundwater/wp-json/wp/v2/pages/171/"hidden/groundwater/wp-json/wp/v2/pages/171/">Facebook</groundwater/wp-json/wp/v2/pages/171//span></groundwater/wp-json/wp/v2/pages/171//span></groundwater/wp-json/wp/v2/pages/171//a><a target=/groundwater/wp-json/wp/v2/pages/171/"_blank/groundwater/wp-json/wp/v2/pages/171/"  href=/groundwater/wp-json/wp/v2/pages/171/"https:/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171//twitter.com/groundwater/wp-json/wp/v2/pages/171//intent/groundwater/wp-json/wp/v2/pages/171//tweet?text=Chilgrove%20House&#038;url=https:/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/171//groundwater/groundwater/wp-json/wp/v2/pages/171//data/groundwater/wp-json/wp/v2/pages/171//groundwater-levels/groundwater/wp-json/wp/v2/pages/171//chilgrove-house/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171/"><span class=/groundwater/wp-json/wp/v2/pages/171/"icon-twitter/groundwater/wp-json/wp/v2/pages/171/"><span class=/groundwater/wp-json/wp/v2/pages/171/"hidden/groundwater/wp-json/wp/v2/pages/171/">Twitter</groundwater/wp-json/wp/v2/pages/171//span></groundwater/wp-json/wp/v2/pages/171//span></groundwater/wp-json/wp/v2/pages/171//a><a   onclick=/groundwater/wp-json/wp/v2/pages/171/"javascript:void( (function() {var e=document.createElement('script' );e.setAttribute('type','text/groundwater/wp-json/wp/v2/pages/171//javascript' );e.setAttribute('charset','UTF-8' );e.setAttribute('src','/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171//assets.pinterest.com/groundwater/wp-json/wp/v2/pages/171//js/groundwater/wp-json/wp/v2/pages/171//pinmarklet.js?r='+Math.random()*99999999);document.body.appendChild(e)})());/groundwater/wp-json/wp/v2/pages/171/"  href=/groundwater/wp-json/wp/v2/pages/171/"javascript:void(0);/groundwater/wp-json/wp/v2/pages/171/"><span class=/groundwater/wp-json/wp/v2/pages/171/"icon-pinterest/groundwater/wp-json/wp/v2/pages/171/"><span class=/groundwater/wp-json/wp/v2/pages/171/"hidden/groundwater/wp-json/wp/v2/pages/171/">Pinterest</groundwater/wp-json/wp/v2/pages/171//span></groundwater/wp-json/wp/v2/pages/171//span></groundwater/wp-json/wp/v2/pages/171//a><a target=/groundwater/wp-json/wp/v2/pages/171/"_blank/groundwater/wp-json/wp/v2/pages/171/"  href=/groundwater/wp-json/wp/v2/pages/171/"https:/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171//wa.me?text=https:/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/171//groundwater/groundwater/wp-json/wp/v2/pages/171//data/groundwater/wp-json/wp/v2/pages/171//groundwater-levels/groundwater/wp-json/wp/v2/pages/171//chilgrove-house/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171/"><span class=/groundwater/wp-json/wp/v2/pages/171/"icon-whatsapp/groundwater/wp-json/wp/v2/pages/171/"><span class=/groundwater/wp-json/wp/v2/pages/171/"hidden/groundwater/wp-json/wp/v2/pages/171/">WhatsApp</groundwater/wp-json/wp/v2/pages/171//span></groundwater/wp-json/wp/v2/pages/171//span></groundwater/wp-json/wp/v2/pages/171//a><a   href=/groundwater/wp-json/wp/v2/pages/171/"mailto:?subject=Chilgrove%20House&#038;body=%20(https:/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/171//groundwater/groundwater/wp-json/wp/v2/pages/171//data/groundwater/wp-json/wp/v2/pages/171//groundwater-levels/groundwater/wp-json/wp/v2/pages/171//chilgrove-house/groundwater/wp-json/wp/v2/pages/171//)/groundwater/wp-json/wp/v2/pages/171/"><span class=/groundwater/wp-json/wp/v2/pages/171/"icon-mail/groundwater/wp-json/wp/v2/pages/171/"><span class=/groundwater/wp-json/wp/v2/pages/171/"hidden/groundwater/wp-json/wp/v2/pages/171/">Email</groundwater/wp-json/wp/v2/pages/171//span></groundwater/wp-json/wp/v2/pages/171//span></groundwater/wp-json/wp/v2/pages/171//a><a href=/groundwater/wp-json/wp/v2/pages/171/"#/groundwater/wp-json/wp/v2/pages/171/" data-copy=/groundwater/wp-json/wp/v2/pages/171/"https:/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/171//groundwater/groundwater/wp-json/wp/v2/pages/171//data/groundwater/wp-json/wp/v2/pages/171//groundwater-levels/groundwater/wp-json/wp/v2/pages/171//chilgrove-house/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171/" class=/groundwater/wp-json/wp/v2/pages/171/"copy-url-on-click/groundwater/wp-json/wp/v2/pages/171/"><span class=/groundwater/wp-json/wp/v2/pages/171/"icon-link/groundwater/wp-json/wp/v2/pages/171/"><span class=/groundwater/wp-json/wp/v2/pages/171/"hidden/groundwater/wp-json/wp/v2/pages/171/">Copy Link</groundwater/wp-json/wp/v2/pages/171//span></groundwater/wp-json/wp/v2/pages/171//span></groundwater/wp-json/wp/v2/pages/171//a></groundwater/wp-json/wp/v2/pages/171//div></groundwater/wp-json/wp/v2/pages/171//div>/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t</groundwater/wp-json/wp/v2/pages/171//section>/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n<section class=/groundwater/wp-json/wp/v2/pages/171/"wp-block-bgs-blocks-content-container content-section/groundwater/wp-json/wp/v2/pages/171/"><div class=/groundwater/wp-json/wp/v2/pages/171/"container/groundwater/wp-json/wp/v2/pages/171/"><div class=/groundwater/wp-json/wp/v2/pages/171/"row/groundwater/wp-json/wp/v2/pages/171/"><div class=/groundwater/wp-json/wp/v2/pages/171/"col-12/groundwater/wp-json/wp/v2/pages/171/">/groundwater/wp-json/wp/v2/pages/171/n<p>The well at Chilgrove House near Chichester in south-east England penetrates the Cretaceous-aged <a href=/groundwater/wp-json/wp/v2/pages/171/"https:/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171//webapps.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/171//lexicon/groundwater/wp-json/wp/v2/pages/171//lexicon.cfm?pub=SECK/groundwater/wp-json/wp/v2/pages/171/">Seaford Chalk Formation</groundwater/wp-json/wp/v2/pages/171//a>. Water levels have been measured at Chilgrove House since 1836 and we believe this well has the longest continuous observation of water levels in the UK /groundwater/wp-json/wp/v2/pages/171/u2014 possibly the world.</groundwater/wp-json/wp/v2/pages/171//p>/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n<p><a href=/groundwater/wp-json/wp/v2/pages/171/"https:/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/171//about-bgs/groundwater/wp-json/wp/v2/pages/171//contact-us/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171/">BGS Enquiries</groundwater/wp-json/wp/v2/pages/171//a> can help you to access data from the National Groundwater Level Archive (NGLA) for this well.</groundwater/wp-json/wp/v2/pages/171//p>/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n<figure  class=/groundwater/wp-json/wp/v2/pages/171/"img-wrap/groundwater/wp-json/wp/v2/pages/171/"><img decoding=/groundwater/wp-json/wp/v2/pages/171/"async/groundwater/wp-json/wp/v2/pages/171/" src=/groundwater/wp-json/wp/v2/pages/171/"https:/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/171//groundwater/groundwater/wp-json/wp/v2/pages/171//wp-content/groundwater/wp-json/wp/v2/pages/171//uploads/groundwater/wp-json/wp/v2/pages/171//sites/groundwater/wp-json/wp/v2/pages/171//4/groundwater/wp-json/wp/v2/pages/171//2023/groundwater/wp-json/wp/v2/pages/171//12/groundwater/wp-json/wp/v2/pages/171//Chilgrove-RedSpot-150x150.jpg/groundwater/wp-json/wp/v2/pages/171/" class=/groundwater/wp-json/wp/v2/pages/171/"lazy-blur/groundwater/wp-json/wp/v2/pages/171/" alt=/groundwater/wp-json/wp/v2/pages/171/"Location of Chilgrove House. BGS /groundwater/wp-json/wp/v2/pages/171/u00a9 UKRI./groundwater/wp-json/wp/v2/pages/171/" data-src=/groundwater/wp-json/wp/v2/pages/171/"https:/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/171//groundwater/groundwater/wp-json/wp/v2/pages/171//wp-content/groundwater/wp-json/wp/v2/pages/171//uploads/groundwater/wp-json/wp/v2/pages/171//sites/groundwater/wp-json/wp/v2/pages/171//4/groundwater/wp-json/wp/v2/pages/171//2023/groundwater/wp-json/wp/v2/pages/171//12/groundwater/wp-json/wp/v2/pages/171//Chilgrove-RedSpot.jpg/groundwater/wp-json/wp/v2/pages/171/" /groundwater/wp-json/wp/v2/pages/171//><figcaption class=/groundwater/wp-json/wp/v2/pages/171/"caption sm-line/groundwater/wp-json/wp/v2/pages/171/">/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t<div class=/groundwater/wp-json/wp/v2/pages/171/"caption-icon/groundwater/wp-json/wp/v2/pages/171/">/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t<img decoding=/groundwater/wp-json/wp/v2/pages/171/"async/groundwater/wp-json/wp/v2/pages/171/" src=/groundwater/wp-json/wp/v2/pages/171/"https:/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/171//groundwater/groundwater/wp-json/wp/v2/pages/171//wp-content/groundwater/wp-json/wp/v2/pages/171//themes/groundwater/wp-json/wp/v2/pages/171//bgs/groundwater/wp-json/wp/v2/pages/171//img/groundwater/wp-json/wp/v2/pages/171//info-caption.svg/groundwater/wp-json/wp/v2/pages/171/" alt=/groundwater/wp-json/wp/v2/pages/171/"Information icon/groundwater/wp-json/wp/v2/pages/171/">/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t</groundwater/wp-json/wp/v2/pages/171//div>/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t<div class=/groundwater/wp-json/wp/v2/pages/171/"caption-text/groundwater/wp-json/wp/v2/pages/171/"><p>Location of Chilgrove House. BGS /groundwater/wp-json/wp/v2/pages/171/u00a9 UKRI.</groundwater/wp-json/wp/v2/pages/171//p>/groundwater/wp-json/wp/v2/pages/171/n</groundwater/wp-json/wp/v2/pages/171//div>/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t</groundwater/wp-json/wp/v2/pages/171//figcaption></groundwater/wp-json/wp/v2/pages/171//figure>/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n<h2 class=/groundwater/wp-json/wp/v2/pages/171/"wp-block-heading/groundwater/wp-json/wp/v2/pages/171/">Hydrograph</groundwater/wp-json/wp/v2/pages/171//h2>/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n<figure class=/groundwater/wp-json/wp/v2/pages/171/"img-central/groundwater/wp-json/wp/v2/pages/171/">/groundwater/wp-json/wp/v2/pages/171/n  <img decoding=/groundwater/wp-json/wp/v2/pages/171/"async/groundwater/wp-json/wp/v2/pages/171/" src=/groundwater/wp-json/wp/v2/pages/171/"https:/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171//resources.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/171//groundwater/groundwater/wp-json/wp/v2/pages/171//hydrographs/groundwater/wp-json/wp/v2/pages/171//bgsfigs/groundwater/wp-json/wp/v2/pages/171//CHILGROVE HOUSE-allyears.webp/groundwater/wp-json/wp/v2/pages/171/" loading=/groundwater/wp-json/wp/v2/pages/171/"lazy/groundwater/wp-json/wp/v2/pages/171/" class=/groundwater/wp-json/wp/v2/pages/171/"img-fluid/groundwater/wp-json/wp/v2/pages/171/" alt=/groundwater/wp-json/wp/v2/pages/171/"/groundwater/wp-json/wp/v2/pages/171/"> /groundwater/wp-json/wp/v2/pages/171/n<figcaption>/groundwater/wp-json/wp/v2/pages/171/n        Groundwater level timeseries over the full observational record for Chilgrove House. National Groundwater Level Archive, /groundwater/wp-json/wp/v2/pages/171/u00a9 UKRI /groundwater/wp-json/wp/v2/pages/171/u2013 BGS/groundwater/wp-json/wp/v2/pages/171/n    </groundwater/wp-json/wp/v2/pages/171//figcaption>/groundwater/wp-json/wp/v2/pages/171/n</groundwater/wp-json/wp/v2/pages/171//figure>/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n<figure class=/groundwater/wp-json/wp/v2/pages/171/"img-central/groundwater/wp-json/wp/v2/pages/171/">/groundwater/wp-json/wp/v2/pages/171/n  <img decoding=/groundwater/wp-json/wp/v2/pages/171/"async/groundwater/wp-json/wp/v2/pages/171/" src=/groundwater/wp-json/wp/v2/pages/171/"https:/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171//resources.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/171//groundwater/groundwater/wp-json/wp/v2/pages/171//hydrographs/groundwater/wp-json/wp/v2/pages/171//bgsfigs/groundwater/wp-json/wp/v2/pages/171//CHILGROVE HOUSE-recentyears.webp/groundwater/wp-json/wp/v2/pages/171/" loading=/groundwater/wp-json/wp/v2/pages/171/"lazy/groundwater/wp-json/wp/v2/pages/171/" class=/groundwater/wp-json/wp/v2/pages/171/"img-fluid/groundwater/wp-json/wp/v2/pages/171/" alt=/groundwater/wp-json/wp/v2/pages/171/"/groundwater/wp-json/wp/v2/pages/171/"> /groundwater/wp-json/wp/v2/pages/171/n<figcaption>/groundwater/wp-json/wp/v2/pages/171/n        Groundwater level timeseries for the last 5 years of available data for  Chilgrove House. National Groundwater Level Archive, /groundwater/wp-json/wp/v2/pages/171/u00a9 UKRI /groundwater/wp-json/wp/v2/pages/171/u2013 BGS/groundwater/wp-json/wp/v2/pages/171/n    </groundwater/wp-json/wp/v2/pages/171//figcaption>/groundwater/wp-json/wp/v2/pages/171/n</groundwater/wp-json/wp/v2/pages/171//figure>/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n<h2 class=/groundwater/wp-json/wp/v2/pages/171/"wp-block-heading/groundwater/wp-json/wp/v2/pages/171/">Information about the well</groundwater/wp-json/wp/v2/pages/171//h2>/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n<h3 class=/groundwater/wp-json/wp/v2/pages/171/"wp-block-heading/groundwater/wp-json/wp/v2/pages/171/">Hydrogeological setting</groundwater/wp-json/wp/v2/pages/171//h3>/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t<div id=/groundwater/wp-json/wp/v2/pages/171/"wysiwyg-6484-block_1a45e9c22946f25a08a0a45fbccd15ee/groundwater/wp-json/wp/v2/pages/171/" class=/groundwater/wp-json/wp/v2/pages/171/"  /groundwater/wp-json/wp/v2/pages/171/" >/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t<div class=/groundwater/wp-json/wp/v2/pages/171/"col-12 responsive-table/groundwater/wp-json/wp/v2/pages/171/"><table>/groundwater/wp-json/wp/v2/pages/171/n<tbody>/groundwater/wp-json/wp/v2/pages/171/n<tr>/groundwater/wp-json/wp/v2/pages/171/n<th style=/groundwater/wp-json/wp/v2/pages/171/"width: 110%;height: 23px;background-color: #002e40/groundwater/wp-json/wp/v2/pages/171/" colspan=/groundwater/wp-json/wp/v2/pages/171/"2/groundwater/wp-json/wp/v2/pages/171/"><span style=/groundwater/wp-json/wp/v2/pages/171/"color: #ffffff/groundwater/wp-json/wp/v2/pages/171/">Chilgrove House</groundwater/wp-json/wp/v2/pages/171//span></groundwater/wp-json/wp/v2/pages/171//th>/groundwater/wp-json/wp/v2/pages/171/n</groundwater/wp-json/wp/v2/pages/171//tr>/groundwater/wp-json/wp/v2/pages/171/n<tr>/groundwater/wp-json/wp/v2/pages/171/n<td><strong>Wellmaster ID</groundwater/wp-json/wp/v2/pages/171//strong></groundwater/wp-json/wp/v2/pages/171//td>/groundwater/wp-json/wp/v2/pages/171/n<td>SU81/groundwater/wp-json/wp/v2/pages/171//1</groundwater/wp-json/wp/v2/pages/171//td>/groundwater/wp-json/wp/v2/pages/171/n</groundwater/wp-json/wp/v2/pages/171//tr>/groundwater/wp-json/wp/v2/pages/171/n<tr>/groundwater/wp-json/wp/v2/pages/171/n<td><strong>NGR</groundwater/wp-json/wp/v2/pages/171//strong></groundwater/wp-json/wp/v2/pages/171//td>/groundwater/wp-json/wp/v2/pages/171/n<td>4835 1143</groundwater/wp-json/wp/v2/pages/171//td>/groundwater/wp-json/wp/v2/pages/171/n</groundwater/wp-json/wp/v2/pages/171//tr>/groundwater/wp-json/wp/v2/pages/171/n<tr>/groundwater/wp-json/wp/v2/pages/171/n<td><strong>Datum</groundwater/wp-json/wp/v2/pages/171//strong></groundwater/wp-json/wp/v2/pages/171//td>/groundwater/wp-json/wp/v2/pages/171/n<td>77.18/groundwater/wp-json/wp/v2/pages/171/u00a0m AOD</groundwater/wp-json/wp/v2/pages/171//td>/groundwater/wp-json/wp/v2/pages/171/n</groundwater/wp-json/wp/v2/pages/171//tr>/groundwater/wp-json/wp/v2/pages/171/n<tr>/groundwater/wp-json/wp/v2/pages/171/n<th style=/groundwater/wp-json/wp/v2/pages/171/"width: 110%;height: 23px;background-color: #002e40/groundwater/wp-json/wp/v2/pages/171/" colspan=/groundwater/wp-json/wp/v2/pages/171/"2/groundwater/wp-json/wp/v2/pages/171/"><span style=/groundwater/wp-json/wp/v2/pages/171/"color: #ffffff/groundwater/wp-json/wp/v2/pages/171/">Monitoring details</groundwater/wp-json/wp/v2/pages/171//span></groundwater/wp-json/wp/v2/pages/171//th>/groundwater/wp-json/wp/v2/pages/171/n</groundwater/wp-json/wp/v2/pages/171//tr>/groundwater/wp-json/wp/v2/pages/171/n<tr>/groundwater/wp-json/wp/v2/pages/171/n<td><strong>Type</groundwater/wp-json/wp/v2/pages/171//strong></groundwater/wp-json/wp/v2/pages/171//td>/groundwater/wp-json/wp/v2/pages/171/n<td>Groundwater level</groundwater/wp-json/wp/v2/pages/171//td>/groundwater/wp-json/wp/v2/pages/171/n</groundwater/wp-json/wp/v2/pages/171//tr>/groundwater/wp-json/wp/v2/pages/171/n<tr>/groundwater/wp-json/wp/v2/pages/171/n<td><strong>Aquifer</groundwater/wp-json/wp/v2/pages/171//strong></groundwater/wp-json/wp/v2/pages/171//td>/groundwater/wp-json/wp/v2/pages/171/n<td>Chalk</groundwater/wp-json/wp/v2/pages/171//td>/groundwater/wp-json/wp/v2/pages/171/n</groundwater/wp-json/wp/v2/pages/171//tr>/groundwater/wp-json/wp/v2/pages/171/n<tr>/groundwater/wp-json/wp/v2/pages/171/n<td><strong>Confinement</groundwater/wp-json/wp/v2/pages/171//strong></groundwater/wp-json/wp/v2/pages/171//td>/groundwater/wp-json/wp/v2/pages/171/n<td>Unconfined</groundwater/wp-json/wp/v2/pages/171//td>/groundwater/wp-json/wp/v2/pages/171/n</groundwater/wp-json/wp/v2/pages/171//tr>/groundwater/wp-json/wp/v2/pages/171/n<tr>/groundwater/wp-json/wp/v2/pages/171/n<td><strong>Depth</groundwater/wp-json/wp/v2/pages/171//strong></groundwater/wp-json/wp/v2/pages/171//td>/groundwater/wp-json/wp/v2/pages/171/n<td>62.03 m</groundwater/wp-json/wp/v2/pages/171//td>/groundwater/wp-json/wp/v2/pages/171/n</groundwater/wp-json/wp/v2/pages/171//tr>/groundwater/wp-json/wp/v2/pages/171/n<tr>/groundwater/wp-json/wp/v2/pages/171/n<th style=/groundwater/wp-json/wp/v2/pages/171/"width: 110%;height: 23px;background-color: #002e40/groundwater/wp-json/wp/v2/pages/171/" colspan=/groundwater/wp-json/wp/v2/pages/171/"2/groundwater/wp-json/wp/v2/pages/171/"><span style=/groundwater/wp-json/wp/v2/pages/171/"color: #ffffff/groundwater/wp-json/wp/v2/pages/171/">Record</groundwater/wp-json/wp/v2/pages/171//span></groundwater/wp-json/wp/v2/pages/171//th>/groundwater/wp-json/wp/v2/pages/171/n</groundwater/wp-json/wp/v2/pages/171//tr>/groundwater/wp-json/wp/v2/pages/171/n<tr>/groundwater/wp-json/wp/v2/pages/171/n<td><strong>Monitored by</groundwater/wp-json/wp/v2/pages/171//strong></groundwater/wp-json/wp/v2/pages/171//td>/groundwater/wp-json/wp/v2/pages/171/n<td>EA Southern</groundwater/wp-json/wp/v2/pages/171//td>/groundwater/wp-json/wp/v2/pages/171/n</groundwater/wp-json/wp/v2/pages/171//tr>/groundwater/wp-json/wp/v2/pages/171/n<tr>/groundwater/wp-json/wp/v2/pages/171/n<td><strong>Records commence</groundwater/wp-json/wp/v2/pages/171//strong></groundwater/wp-json/wp/v2/pages/171//td>/groundwater/wp-json/wp/v2/pages/171/n<td>1836</groundwater/wp-json/wp/v2/pages/171//td>/groundwater/wp-json/wp/v2/pages/171/n</groundwater/wp-json/wp/v2/pages/171//tr>/groundwater/wp-json/wp/v2/pages/171/n<tr>/groundwater/wp-json/wp/v2/pages/171/n<td><strong>Records end</groundwater/wp-json/wp/v2/pages/171//strong></groundwater/wp-json/wp/v2/pages/171//td>/groundwater/wp-json/wp/v2/pages/171/n<td>Active</groundwater/wp-json/wp/v2/pages/171//td>/groundwater/wp-json/wp/v2/pages/171/n</groundwater/wp-json/wp/v2/pages/171//tr>/groundwater/wp-json/wp/v2/pages/171/n</groundwater/wp-json/wp/v2/pages/171//tbody>/groundwater/wp-json/wp/v2/pages/171/n</groundwater/wp-json/wp/v2/pages/171//table></groundwater/wp-json/wp/v2/pages/171//div>/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t</groundwater/wp-json/wp/v2/pages/171//div>/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n<p>The well is located on head deposits over the Seaford Chalk Formation of the <a href=/groundwater/wp-json/wp/v2/pages/171/"https:/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171//webapps.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/171//lexicon/groundwater/wp-json/wp/v2/pages/171//lexicon.cfm?pub=CK/groundwater/wp-json/wp/v2/pages/171/">Chalk Group</groundwater/wp-json/wp/v2/pages/171//a>. It is located in a branch off the generally dry Chilgrove valley that it joins about 400&nbsp;m to the south-west. This valley joins the River Lavant valley just north of Lavant.</groundwater/wp-json/wp/v2/pages/171//p>/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n<figure  class=/groundwater/wp-json/wp/v2/pages/171/"img-wrap/groundwater/wp-json/wp/v2/pages/171/"><a href=/groundwater/wp-json/wp/v2/pages/171/"https:/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/171//groundwater/groundwater/wp-json/wp/v2/pages/171//wp-content/groundwater/wp-json/wp/v2/pages/171//uploads/groundwater/wp-json/wp/v2/pages/171//sites/groundwater/wp-json/wp/v2/pages/171//4/groundwater/wp-json/wp/v2/pages/171//2023/groundwater/wp-json/wp/v2/pages/171//12/groundwater/wp-json/wp/v2/pages/171//chilgrove-large-geology.webp/groundwater/wp-json/wp/v2/pages/171/" data-toggle=/groundwater/wp-json/wp/v2/pages/171/"lightbox/groundwater/wp-json/wp/v2/pages/171/" data-footer=/groundwater/wp-json/wp/v2/pages/171/"&lt;p&gt;&lt;label&gt;Geological map of the area around Chilgrove House. BGS /groundwater/wp-json/wp/v2/pages/171/u00a9 UKRI.&lt;/groundwater/wp-json/wp/v2/pages/171//label&gt;&lt;/groundwater/wp-json/wp/v2/pages/171//p&gt;/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/" data-gallery=/groundwater/wp-json/wp/v2/pages/171/"gallery_20009/groundwater/wp-json/wp/v2/pages/171/"><img decoding=/groundwater/wp-json/wp/v2/pages/171/"async/groundwater/wp-json/wp/v2/pages/171/" src=/groundwater/wp-json/wp/v2/pages/171/"https:/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/171//groundwater/groundwater/wp-json/wp/v2/pages/171//wp-content/groundwater/wp-json/wp/v2/pages/171//uploads/groundwater/wp-json/wp/v2/pages/171//sites/groundwater/wp-json/wp/v2/pages/171//4/groundwater/wp-json/wp/v2/pages/171//2023/groundwater/wp-json/wp/v2/pages/171//12/groundwater/wp-json/wp/v2/pages/171//chilgrove-large-geology-150x150.webp/groundwater/wp-json/wp/v2/pages/171/" class=/groundwater/wp-json/wp/v2/pages/171/"lazy-blur/groundwater/wp-json/wp/v2/pages/171/" alt=/groundwater/wp-json/wp/v2/pages/171/"Geological map of the area around Chilgrove House. BGS /groundwater/wp-json/wp/v2/pages/171/u00a9 UKRI./groundwater/wp-json/wp/v2/pages/171/" data-src=/groundwater/wp-json/wp/v2/pages/171/"https:/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/171//groundwater/groundwater/wp-json/wp/v2/pages/171//wp-content/groundwater/wp-json/wp/v2/pages/171//uploads/groundwater/wp-json/wp/v2/pages/171//sites/groundwater/wp-json/wp/v2/pages/171//4/groundwater/wp-json/wp/v2/pages/171//2023/groundwater/wp-json/wp/v2/pages/171//12/groundwater/wp-json/wp/v2/pages/171//chilgrove-large-geology-300x267.webp/groundwater/wp-json/wp/v2/pages/171/" /groundwater/wp-json/wp/v2/pages/171//></groundwater/wp-json/wp/v2/pages/171//a><figcaption class=/groundwater/wp-json/wp/v2/pages/171/"caption sm-line/groundwater/wp-json/wp/v2/pages/171/">/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t<div class=/groundwater/wp-json/wp/v2/pages/171/"caption-icon/groundwater/wp-json/wp/v2/pages/171/">/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t<img decoding=/groundwater/wp-json/wp/v2/pages/171/"async/groundwater/wp-json/wp/v2/pages/171/" src=/groundwater/wp-json/wp/v2/pages/171/"https:/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/171//groundwater/groundwater/wp-json/wp/v2/pages/171//wp-content/groundwater/wp-json/wp/v2/pages/171//themes/groundwater/wp-json/wp/v2/pages/171//bgs/groundwater/wp-json/wp/v2/pages/171//img/groundwater/wp-json/wp/v2/pages/171//info-caption.svg/groundwater/wp-json/wp/v2/pages/171/" alt=/groundwater/wp-json/wp/v2/pages/171/"Information icon/groundwater/wp-json/wp/v2/pages/171/">/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t</groundwater/wp-json/wp/v2/pages/171//div>/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t<div class=/groundwater/wp-json/wp/v2/pages/171/"caption-text/groundwater/wp-json/wp/v2/pages/171/"><p><label>Geological map of the area around Chilgrove House. BGS /groundwater/wp-json/wp/v2/pages/171/u00a9 UKRI.</groundwater/wp-json/wp/v2/pages/171//label></groundwater/wp-json/wp/v2/pages/171//p>/groundwater/wp-json/wp/v2/pages/171/n</groundwater/wp-json/wp/v2/pages/171//div>/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t<div class=/groundwater/wp-json/wp/v2/pages/171/"expand-box expand-box-top/groundwater/wp-json/wp/v2/pages/171/"><a href=/groundwater/wp-json/wp/v2/pages/171/"https:/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/171//groundwater/groundwater/wp-json/wp/v2/pages/171//wp-content/groundwater/wp-json/wp/v2/pages/171//uploads/groundwater/wp-json/wp/v2/pages/171//sites/groundwater/wp-json/wp/v2/pages/171//4/groundwater/wp-json/wp/v2/pages/171//2023/groundwater/wp-json/wp/v2/pages/171//12/groundwater/wp-json/wp/v2/pages/171//chilgrove-large-geology.webp/groundwater/wp-json/wp/v2/pages/171/" ><img decoding=/groundwater/wp-json/wp/v2/pages/171/"async/groundwater/wp-json/wp/v2/pages/171/" src=/groundwater/wp-json/wp/v2/pages/171/"https:/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/171//groundwater/groundwater/wp-json/wp/v2/pages/171//wp-content/groundwater/wp-json/wp/v2/pages/171//themes/groundwater/wp-json/wp/v2/pages/171//bgs/groundwater/wp-json/wp/v2/pages/171//img/groundwater/wp-json/wp/v2/pages/171//expand.svg/groundwater/wp-json/wp/v2/pages/171/" alt=/groundwater/wp-json/wp/v2/pages/171/"Expand icon/groundwater/wp-json/wp/v2/pages/171/"></groundwater/wp-json/wp/v2/pages/171//a></groundwater/wp-json/wp/v2/pages/171//div>/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t</groundwater/wp-json/wp/v2/pages/171//figcaption></groundwater/wp-json/wp/v2/pages/171//figure>/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n<h3 class=/groundwater/wp-json/wp/v2/pages/171/"wp-block-heading/groundwater/wp-json/wp/v2/pages/171/">Well or borehole construction</groundwater/wp-json/wp/v2/pages/171//h3>/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n<p>The well consists of a shaft , 0.9 metres in diameter to 43.74 m, and a 147mm borehole, sunk in 1934, to 62.03m. Casing runs from the surface into the bored section.</groundwater/wp-json/wp/v2/pages/171//p>/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n<p>It was originally 41.15&nbsp;m deep and was cleaned out and deepened in 1855 to 43.74&nbsp;m due to siltation after the drought of 1854 to 43.74 m. It was further deepened in March 1934 by a 114&nbsp;mm-diameter borehole (given as 152&nbsp;mm in Thompson, 1938) to a depth of 62.03&nbsp;m.</groundwater/wp-json/wp/v2/pages/171//p>/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n<h3 class=/groundwater/wp-json/wp/v2/pages/171/"wp-block-heading/groundwater/wp-json/wp/v2/pages/171/">Hydrograph response</groundwater/wp-json/wp/v2/pages/171//h3>/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n<p>The well shows an annual sinusoidal response typical of the unconfined chalk. Annual fluctuations are usually around 20 to 30&nbsp;m, but monthly rises in level have exceeded 34&nbsp;m.</groundwater/wp-json/wp/v2/pages/171//p>/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n<p>The well occasionally overflows (December 1852; January 1994 (for 18 days); December 2000). The bourne rising as high up the valley as Chilgrove is known to have occurred in December 1960, January 1994 and December 2000, and is likely to have also occurred in the winter of 1852 to 1853.</groundwater/wp-json/wp/v2/pages/171//p>/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n<p>Low levels in December 1854 and early 1934 may have been truncated due to siltation prior to deepening. Since then, the lowest levels recorded coincide with the top of the borehole. This is a couple of metres below the top of the casing. It is assumed, but not known, that water level measurements were made in the borehole rather than the well at these times.</groundwater/wp-json/wp/v2/pages/171//p>/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n<h3 class=/groundwater/wp-json/wp/v2/pages/171/"wp-block-heading/groundwater/wp-json/wp/v2/pages/171/">Data issues</groundwater/wp-json/wp/v2/pages/171//h3>/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n<p>Early data is subject to various errors. The data for the period March 1942 to April 1943 was not collected and is extrapolated from a well at Compton (SU 7755 1490), 6.5&nbsp;km to the west.</groundwater/wp-json/wp/v2/pages/171//p>/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n<h3 class=/groundwater/wp-json/wp/v2/pages/171/"wp-block-heading/groundwater/wp-json/wp/v2/pages/171/">References</groundwater/wp-json/wp/v2/pages/171//h3>/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n<p>Finch, J, Marsh, T, and McKenzie, A A. 2007./groundwater/wp-json/wp/v2/pages/171/u00a0<a href=/groundwater/wp-json/wp/v2/pages/171/"http:/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171//nora.nerc.ac.uk/groundwater/wp-json/wp/v2/pages/171//1387/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171/" target=/groundwater/wp-json/wp/v2/pages/171/"_blank/groundwater/wp-json/wp/v2/pages/171/" rel=/groundwater/wp-json/wp/v2/pages/171/"noreferrer noopener/groundwater/wp-json/wp/v2/pages/171/"><a href=/groundwater/wp-json/wp/v2/pages/171/"http:/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171//nora.nerc.ac.uk/groundwater/wp-json/wp/v2/pages/171//1387/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171/" target=/groundwater/wp-json/wp/v2/pages/171/"_blank/groundwater/wp-json/wp/v2/pages/171/" rel=/groundwater/wp-json/wp/v2/pages/171/"noreferrer noopener/groundwater/wp-json/wp/v2/pages/171/">A preliminary risk assessment of the potential for groundwater flooding during the winter of 2007/groundwater/wp-json/wp/v2/pages/171//8 /groundwater/wp-json/wp/v2/pages/171/u2014 an update</groundwater/wp-json/wp/v2/pages/171//a></groundwater/wp-json/wp/v2/pages/171//a>. (Wallingford, UK: NERC/groundwater/wp-json/wp/v2/pages/171//Centre for Ecology and Hydrology-British Geological <a href=/groundwater/wp-json/wp/v2/pages/171/"http:/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171//nora.nerc.ac.uk/groundwater/wp-json/wp/v2/pages/171//1387/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171/" target=/groundwater/wp-json/wp/v2/pages/171/"_blank/groundwater/wp-json/wp/v2/pages/171/" rel=/groundwater/wp-json/wp/v2/pages/171/"noreferrer noopener/groundwater/wp-json/wp/v2/pages/171/">Survey.)</groundwater/wp-json/wp/v2/pages/171//a></groundwater/wp-json/wp/v2/pages/171//p>/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n<figure  class=/groundwater/wp-json/wp/v2/pages/171/"img-wrap/groundwater/wp-json/wp/v2/pages/171/"><a href=/groundwater/wp-json/wp/v2/pages/171/"https:/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/171//groundwater/groundwater/wp-json/wp/v2/pages/171//wp-content/groundwater/wp-json/wp/v2/pages/171//uploads/groundwater/wp-json/wp/v2/pages/171//sites/groundwater/wp-json/wp/v2/pages/171//4/groundwater/wp-json/wp/v2/pages/171//2023/groundwater/wp-json/wp/v2/pages/171//12/groundwater/wp-json/wp/v2/pages/171//hillshade-map-chilgrove-house.webp/groundwater/wp-json/wp/v2/pages/171/" data-toggle=/groundwater/wp-json/wp/v2/pages/171/"lightbox/groundwater/wp-json/wp/v2/pages/171/" data-footer=/groundwater/wp-json/wp/v2/pages/171/"&lt;p&gt;Topographical map with hillshade of the area around Chilgrove House. BGS /groundwater/wp-json/wp/v2/pages/171/u00a9 UKRI.&lt;/groundwater/wp-json/wp/v2/pages/171//p&gt;/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/" data-gallery=/groundwater/wp-json/wp/v2/pages/171/"gallery_59682/groundwater/wp-json/wp/v2/pages/171/"><img decoding=/groundwater/wp-json/wp/v2/pages/171/"async/groundwater/wp-json/wp/v2/pages/171/" src=/groundwater/wp-json/wp/v2/pages/171/"https:/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/171//groundwater/groundwater/wp-json/wp/v2/pages/171//wp-content/groundwater/wp-json/wp/v2/pages/171//uploads/groundwater/wp-json/wp/v2/pages/171//sites/groundwater/wp-json/wp/v2/pages/171//4/groundwater/wp-json/wp/v2/pages/171//2023/groundwater/wp-json/wp/v2/pages/171//12/groundwater/wp-json/wp/v2/pages/171//hillshade-map-chilgrove-house-150x150.webp/groundwater/wp-json/wp/v2/pages/171/" class=/groundwater/wp-json/wp/v2/pages/171/"lazy-blur/groundwater/wp-json/wp/v2/pages/171/" alt=/groundwater/wp-json/wp/v2/pages/171/"Topographic map with hillshade of the area around Chilgrove House./groundwater/wp-json/wp/v2/pages/171/" data-src=/groundwater/wp-json/wp/v2/pages/171/"https:/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/171//groundwater/groundwater/wp-json/wp/v2/pages/171//wp-content/groundwater/wp-json/wp/v2/pages/171//uploads/groundwater/wp-json/wp/v2/pages/171//sites/groundwater/wp-json/wp/v2/pages/171//4/groundwater/wp-json/wp/v2/pages/171//2023/groundwater/wp-json/wp/v2/pages/171//12/groundwater/wp-json/wp/v2/pages/171//hillshade-map-chilgrove-house-300x201.webp/groundwater/wp-json/wp/v2/pages/171/" /groundwater/wp-json/wp/v2/pages/171//></groundwater/wp-json/wp/v2/pages/171//a><figcaption class=/groundwater/wp-json/wp/v2/pages/171/"caption sm-line/groundwater/wp-json/wp/v2/pages/171/">/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t<div class=/groundwater/wp-json/wp/v2/pages/171/"caption-icon/groundwater/wp-json/wp/v2/pages/171/">/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t<img decoding=/groundwater/wp-json/wp/v2/pages/171/"async/groundwater/wp-json/wp/v2/pages/171/" src=/groundwater/wp-json/wp/v2/pages/171/"https:/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/171//groundwater/groundwater/wp-json/wp/v2/pages/171//wp-content/groundwater/wp-json/wp/v2/pages/171//themes/groundwater/wp-json/wp/v2/pages/171//bgs/groundwater/wp-json/wp/v2/pages/171//img/groundwater/wp-json/wp/v2/pages/171//info-caption.svg/groundwater/wp-json/wp/v2/pages/171/" alt=/groundwater/wp-json/wp/v2/pages/171/"Information icon/groundwater/wp-json/wp/v2/pages/171/">/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t</groundwater/wp-json/wp/v2/pages/171//div>/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t<div class=/groundwater/wp-json/wp/v2/pages/171/"caption-text/groundwater/wp-json/wp/v2/pages/171/"><p>Topographical map with hillshade of the area around Chilgrove House. BGS /groundwater/wp-json/wp/v2/pages/171/u00a9 UKRI.</groundwater/wp-json/wp/v2/pages/171//p>/groundwater/wp-json/wp/v2/pages/171/n</groundwater/wp-json/wp/v2/pages/171//div>/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t<div class=/groundwater/wp-json/wp/v2/pages/171/"expand-box expand-box-top/groundwater/wp-json/wp/v2/pages/171/"><a href=/groundwater/wp-json/wp/v2/pages/171/"https:/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/171//groundwater/groundwater/wp-json/wp/v2/pages/171//wp-content/groundwater/wp-json/wp/v2/pages/171//uploads/groundwater/wp-json/wp/v2/pages/171//sites/groundwater/wp-json/wp/v2/pages/171//4/groundwater/wp-json/wp/v2/pages/171//2023/groundwater/wp-json/wp/v2/pages/171//12/groundwater/wp-json/wp/v2/pages/171//hillshade-map-chilgrove-house.webp/groundwater/wp-json/wp/v2/pages/171/" ><img decoding=/groundwater/wp-json/wp/v2/pages/171/"async/groundwater/wp-json/wp/v2/pages/171/" src=/groundwater/wp-json/wp/v2/pages/171/"https:/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/171//groundwater/groundwater/wp-json/wp/v2/pages/171//wp-content/groundwater/wp-json/wp/v2/pages/171//themes/groundwater/wp-json/wp/v2/pages/171//bgs/groundwater/wp-json/wp/v2/pages/171//img/groundwater/wp-json/wp/v2/pages/171//expand.svg/groundwater/wp-json/wp/v2/pages/171/" alt=/groundwater/wp-json/wp/v2/pages/171/"Expand icon/groundwater/wp-json/wp/v2/pages/171/"></groundwater/wp-json/wp/v2/pages/171//a></groundwater/wp-json/wp/v2/pages/171//div>/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t/groundwater/wp-json/wp/v2/pages/171/t</groundwater/wp-json/wp/v2/pages/171//figcaption></groundwater/wp-json/wp/v2/pages/171//figure>/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n<h2 class=/groundwater/wp-json/wp/v2/pages/171/"wp-block-heading/groundwater/wp-json/wp/v2/pages/171/" id=/groundwater/wp-json/wp/v2/pages/171/"acknowledgements/groundwater/wp-json/wp/v2/pages/171/">Acknowledgements</groundwater/wp-json/wp/v2/pages/171//h2>/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n<p>Groundwater level data are provided to the NGLA by the Environment Agency (EA), Natural Resources Wales &#8211; Cyfoeth Naturiol Cymru (NRW), the Scottish Environment Protection Agency (SEPA) and, for Northern Ireland, the Department for Infrastructure &#8211; Rivers and the Northern Ireland Environment Agency.</groundwater/wp-json/wp/v2/pages/171//p>/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n<p>Further information about these monitoring networks can be found on these pages:</groundwater/wp-json/wp/v2/pages/171//p>/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n<ul class=/groundwater/wp-json/wp/v2/pages/171/"wp-block-list/groundwater/wp-json/wp/v2/pages/171/">/groundwater/wp-json/wp/v2/pages/171/n<li><a href=/groundwater/wp-json/wp/v2/pages/171/"https:/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171//timeseriesdoc.sepa.org.uk/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171/" target=/groundwater/wp-json/wp/v2/pages/171/"_blank/groundwater/wp-json/wp/v2/pages/171/" rel=/groundwater/wp-json/wp/v2/pages/171/"noreferrer noopener/groundwater/wp-json/wp/v2/pages/171/">Scotland</groundwater/wp-json/wp/v2/pages/171//a>&nbsp;(SEPA)</groundwater/wp-json/wp/v2/pages/171//li>/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n<li><a href=/groundwater/wp-json/wp/v2/pages/171/"https:/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171//environment.data.gov.uk/groundwater/wp-json/wp/v2/pages/171//hydrology/groundwater/wp-json/wp/v2/pages/171//landing/groundwater/wp-json/wp/v2/pages/171/" target=/groundwater/wp-json/wp/v2/pages/171/"_blank/groundwater/wp-json/wp/v2/pages/171/" rel=/groundwater/wp-json/wp/v2/pages/171/"noreferrer noopener/groundwater/wp-json/wp/v2/pages/171/">England</groundwater/wp-json/wp/v2/pages/171//a>&nbsp;(Defra)&nbsp;</groundwater/wp-json/wp/v2/pages/171//li>/groundwater/wp-json/wp/v2/pages/171/n</groundwater/wp-json/wp/v2/pages/171//ul>/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n<h2 class=/groundwater/wp-json/wp/v2/pages/171/"wp-block-heading/groundwater/wp-json/wp/v2/pages/171/">Contact</groundwater/wp-json/wp/v2/pages/171//h2>/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/n<p>Please&nbsp;<a href=/groundwater/wp-json/wp/v2/pages/171/"https:/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/171//about-bgs/groundwater/wp-json/wp/v2/pages/171//contact-us/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171/">contact BGS Enquiries</groundwater/wp-json/wp/v2/pages/171//a>&nbsp;for further information.</groundwater/wp-json/wp/v2/pages/171//p>/groundwater/wp-json/wp/v2/pages/171/n</groundwater/wp-json/wp/v2/pages/171//div></groundwater/wp-json/wp/v2/pages/171//div></groundwater/wp-json/wp/v2/pages/171//div></groundwater/wp-json/wp/v2/pages/171//section>/groundwater/wp-json/wp/v2/pages/171/n","protected":false},"excerpt":{"rendered":"","protected":false},"author":3,"featured_media":0,"parent":30,"menu_order":16,"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-171","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171//yoast.com/groundwater/wp-json/wp/v2/pages/171//product/groundwater/wp-json/wp/v2/pages/171//yoast-seo-wordpress/groundwater/wp-json/wp/v2/pages/171// -->/groundwater/wp-json/wp/v2/pages/171/n<title>Chilgrove House - BGS Groundwater</groundwater/wp-json/wp/v2/pages/171//title>/groundwater/wp-json/wp/v2/pages/171/n<meta name=/groundwater/wp-json/wp/v2/pages/171/"description/groundwater/wp-json/wp/v2/pages/171/" content=/groundwater/wp-json/wp/v2/pages/171/"Water levels have been measured at Chilgrove House since 1836. The well penetrates the Seaford Chalk Formation./groundwater/wp-json/wp/v2/pages/171/" /groundwater/wp-json/wp/v2/pages/171//>/groundwater/wp-json/wp/v2/pages/171/n<meta name=/groundwater/wp-json/wp/v2/pages/171/"robots/groundwater/wp-json/wp/v2/pages/171/" content=/groundwater/wp-json/wp/v2/pages/171/"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1/groundwater/wp-json/wp/v2/pages/171/" /groundwater/wp-json/wp/v2/pages/171//>/groundwater/wp-json/wp/v2/pages/171/n<link rel=/groundwater/wp-json/wp/v2/pages/171/"canonical/groundwater/wp-json/wp/v2/pages/171/" href=/groundwater/wp-json/wp/v2/pages/171/"https:/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/171//groundwater/groundwater/wp-json/wp/v2/pages/171//data/groundwater/wp-json/wp/v2/pages/171//groundwater-levels/groundwater/wp-json/wp/v2/pages/171//chilgrove-house/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171/" /groundwater/wp-json/wp/v2/pages/171//>/groundwater/wp-json/wp/v2/pages/171/n<meta property=/groundwater/wp-json/wp/v2/pages/171/"og:locale/groundwater/wp-json/wp/v2/pages/171/" content=/groundwater/wp-json/wp/v2/pages/171/"en_GB/groundwater/wp-json/wp/v2/pages/171/" /groundwater/wp-json/wp/v2/pages/171//>/groundwater/wp-json/wp/v2/pages/171/n<meta property=/groundwater/wp-json/wp/v2/pages/171/"og:type/groundwater/wp-json/wp/v2/pages/171/" content=/groundwater/wp-json/wp/v2/pages/171/"article/groundwater/wp-json/wp/v2/pages/171/" /groundwater/wp-json/wp/v2/pages/171//>/groundwater/wp-json/wp/v2/pages/171/n<meta property=/groundwater/wp-json/wp/v2/pages/171/"og:title/groundwater/wp-json/wp/v2/pages/171/" content=/groundwater/wp-json/wp/v2/pages/171/"Chilgrove House - BGS Groundwater/groundwater/wp-json/wp/v2/pages/171/" /groundwater/wp-json/wp/v2/pages/171//>/groundwater/wp-json/wp/v2/pages/171/n<meta property=/groundwater/wp-json/wp/v2/pages/171/"og:description/groundwater/wp-json/wp/v2/pages/171/" content=/groundwater/wp-json/wp/v2/pages/171/"Water levels have been measured at Chilgrove House since 1836. The well penetrates the Seaford Chalk Formation./groundwater/wp-json/wp/v2/pages/171/" /groundwater/wp-json/wp/v2/pages/171//>/groundwater/wp-json/wp/v2/pages/171/n<meta property=/groundwater/wp-json/wp/v2/pages/171/"og:url/groundwater/wp-json/wp/v2/pages/171/" content=/groundwater/wp-json/wp/v2/pages/171/"https:/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/171//groundwater/groundwater/wp-json/wp/v2/pages/171//data/groundwater/wp-json/wp/v2/pages/171//groundwater-levels/groundwater/wp-json/wp/v2/pages/171//chilgrove-house/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171/" /groundwater/wp-json/wp/v2/pages/171//>/groundwater/wp-json/wp/v2/pages/171/n<meta property=/groundwater/wp-json/wp/v2/pages/171/"og:site_name/groundwater/wp-json/wp/v2/pages/171/" content=/groundwater/wp-json/wp/v2/pages/171/"BGS Groundwater/groundwater/wp-json/wp/v2/pages/171/" /groundwater/wp-json/wp/v2/pages/171//>/groundwater/wp-json/wp/v2/pages/171/n<meta property=/groundwater/wp-json/wp/v2/pages/171/"article:modified_time/groundwater/wp-json/wp/v2/pages/171/" content=/groundwater/wp-json/wp/v2/pages/171/"2025-12-17T13:52:15+00:00/groundwater/wp-json/wp/v2/pages/171/" /groundwater/wp-json/wp/v2/pages/171//>/groundwater/wp-json/wp/v2/pages/171/n<meta name=/groundwater/wp-json/wp/v2/pages/171/"twitter:card/groundwater/wp-json/wp/v2/pages/171/" content=/groundwater/wp-json/wp/v2/pages/171/"summary_large_image/groundwater/wp-json/wp/v2/pages/171/" /groundwater/wp-json/wp/v2/pages/171//>/groundwater/wp-json/wp/v2/pages/171/n<meta name=/groundwater/wp-json/wp/v2/pages/171/"twitter:label1/groundwater/wp-json/wp/v2/pages/171/" content=/groundwater/wp-json/wp/v2/pages/171/"Estimated reading time/groundwater/wp-json/wp/v2/pages/171/" /groundwater/wp-json/wp/v2/pages/171//>/groundwater/wp-json/wp/v2/pages/171/n/groundwater/wp-json/wp/v2/pages/171/t<meta name=/groundwater/wp-json/wp/v2/pages/171/"twitter:data1/groundwater/wp-json/wp/v2/pages/171/" content=/groundwater/wp-json/wp/v2/pages/171/"3 minutes/groundwater/wp-json/wp/v2/pages/171/" /groundwater/wp-json/wp/v2/pages/171//>/groundwater/wp-json/wp/v2/pages/171/n<script type=/groundwater/wp-json/wp/v2/pages/171/"application/groundwater/wp-json/wp/v2/pages/171//ld+json/groundwater/wp-json/wp/v2/pages/171/" class=/groundwater/wp-json/wp/v2/pages/171/"yoast-schema-graph/groundwater/wp-json/wp/v2/pages/171/">{/groundwater/wp-json/wp/v2/pages/171/"@context/groundwater/wp-json/wp/v2/pages/171/":/groundwater/wp-json/wp/v2/pages/171/"https:/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171//schema.org/groundwater/wp-json/wp/v2/pages/171/",/groundwater/wp-json/wp/v2/pages/171/"@graph/groundwater/wp-json/wp/v2/pages/171/":[{/groundwater/wp-json/wp/v2/pages/171/"@type/groundwater/wp-json/wp/v2/pages/171/":/groundwater/wp-json/wp/v2/pages/171/"WebPage/groundwater/wp-json/wp/v2/pages/171/",/groundwater/wp-json/wp/v2/pages/171/"@id/groundwater/wp-json/wp/v2/pages/171/":/groundwater/wp-json/wp/v2/pages/171/"https:/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/171//groundwater/groundwater/wp-json/wp/v2/pages/171//data/groundwater/wp-json/wp/v2/pages/171//groundwater-levels/groundwater/wp-json/wp/v2/pages/171//chilgrove-house/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171/",/groundwater/wp-json/wp/v2/pages/171/"url/groundwater/wp-json/wp/v2/pages/171/":/groundwater/wp-json/wp/v2/pages/171/"https:/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/171//groundwater/groundwater/wp-json/wp/v2/pages/171//data/groundwater/wp-json/wp/v2/pages/171//groundwater-levels/groundwater/wp-json/wp/v2/pages/171//chilgrove-house/groundwater/wp-json/wp/v2/pages/171///groundwater/wp-json/wp/v2/pages/171/",/groundwater/wp-json/wp/v2/pages/171/"name/groundwater/wp-json/wp/v2/pages/171/":/groundwater/wp-json/wp/v2/pages/171/"Chilgrove House - 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