{"id":169,"date":"2023-11-23T12:33:01","date_gmt":"2023-11-23T12:33:01","guid":{"rendered":"https:/groundwater/wp-json/wp/v2/pages/169///groundwater/wp-json/wp/v2/pages/169//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/169//groundwater/groundwater/wp-json/wp/v2/pages/169//data/groundwater/wp-json/wp/v2/pages/169//groundwater-levels/groundwater/wp-json/wp/v2/pages/169//stonor-park/groundwater/wp-json/wp/v2/pages/169//"},"modified":"2025-12-17T13:43:44","modified_gmt":"2025-12-17T13:43:44","slug":"stonor-park","status":"publish","type":"page","link":"https:/groundwater/wp-json/wp/v2/pages/169///groundwater/wp-json/wp/v2/pages/169//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/169//groundwater/groundwater/wp-json/wp/v2/pages/169//data/groundwater/wp-json/wp/v2/pages/169//groundwater-levels/groundwater/wp-json/wp/v2/pages/169//stonor-park/groundwater/wp-json/wp/v2/pages/169//","title":{"rendered":"Stonor Park"},"content":{"rendered":"/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t<section class=/groundwater/wp-json/wp/v2/pages/169/"hero-section hero-section-with-social/groundwater/wp-json/wp/v2/pages/169/">/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t<div class=/groundwater/wp-json/wp/v2/pages/169/"hero-info-wrap/groundwater/wp-json/wp/v2/pages/169/">/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t<div class=/groundwater/wp-json/wp/v2/pages/169/"container/groundwater/wp-json/wp/v2/pages/169/">/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t<div class=/groundwater/wp-json/wp/v2/pages/169/"row/groundwater/wp-json/wp/v2/pages/169/">/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t<div class=/groundwater/wp-json/wp/v2/pages/169/"col-12/groundwater/wp-json/wp/v2/pages/169/">/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t<div class=/groundwater/wp-json/wp/v2/pages/169/"hero-info/groundwater/wp-json/wp/v2/pages/169/">/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t<h1>Stonor Park</groundwater/wp-json/wp/v2/pages/169//h1>/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t</groundwater/wp-json/wp/v2/pages/169//div>/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t</groundwater/wp-json/wp/v2/pages/169//div>/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t</groundwater/wp-json/wp/v2/pages/169//div>/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t</groundwater/wp-json/wp/v2/pages/169//div>/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t</groundwater/wp-json/wp/v2/pages/169//div>/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t<div class=/groundwater/wp-json/wp/v2/pages/169/"social-wrap social-wrap-inline-them/groundwater/wp-json/wp/v2/pages/169/">/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t<div class=/groundwater/wp-json/wp/v2/pages/169/"sea-background-f/groundwater/wp-json/wp/v2/pages/169/">/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t<span>Share this article</groundwater/wp-json/wp/v2/pages/169//span><a target=/groundwater/wp-json/wp/v2/pages/169/"_blank/groundwater/wp-json/wp/v2/pages/169/"  href=/groundwater/wp-json/wp/v2/pages/169/"https:/groundwater/wp-json/wp/v2/pages/169///groundwater/wp-json/wp/v2/pages/169//www.facebook.com/groundwater/wp-json/wp/v2/pages/169//sharer/groundwater/wp-json/wp/v2/pages/169//sharer.php?u=https:/groundwater/wp-json/wp/v2/pages/169///groundwater/wp-json/wp/v2/pages/169//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/169//groundwater/groundwater/wp-json/wp/v2/pages/169//data/groundwater/wp-json/wp/v2/pages/169//groundwater-levels/groundwater/wp-json/wp/v2/pages/169//stonor-park/groundwater/wp-json/wp/v2/pages/169///groundwater/wp-json/wp/v2/pages/169/"><span class=/groundwater/wp-json/wp/v2/pages/169/"icon-facebook/groundwater/wp-json/wp/v2/pages/169/"><span class=/groundwater/wp-json/wp/v2/pages/169/"hidden/groundwater/wp-json/wp/v2/pages/169/">Facebook</groundwater/wp-json/wp/v2/pages/169//span></groundwater/wp-json/wp/v2/pages/169//span></groundwater/wp-json/wp/v2/pages/169//a><a target=/groundwater/wp-json/wp/v2/pages/169/"_blank/groundwater/wp-json/wp/v2/pages/169/"  href=/groundwater/wp-json/wp/v2/pages/169/"https:/groundwater/wp-json/wp/v2/pages/169///groundwater/wp-json/wp/v2/pages/169//twitter.com/groundwater/wp-json/wp/v2/pages/169//intent/groundwater/wp-json/wp/v2/pages/169//tweet?text=Stonor%20Park&#038;url=https:/groundwater/wp-json/wp/v2/pages/169///groundwater/wp-json/wp/v2/pages/169//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/169//groundwater/groundwater/wp-json/wp/v2/pages/169//data/groundwater/wp-json/wp/v2/pages/169//groundwater-levels/groundwater/wp-json/wp/v2/pages/169//stonor-park/groundwater/wp-json/wp/v2/pages/169///groundwater/wp-json/wp/v2/pages/169/"><span class=/groundwater/wp-json/wp/v2/pages/169/"icon-twitter/groundwater/wp-json/wp/v2/pages/169/"><span class=/groundwater/wp-json/wp/v2/pages/169/"hidden/groundwater/wp-json/wp/v2/pages/169/">Twitter</groundwater/wp-json/wp/v2/pages/169//span></groundwater/wp-json/wp/v2/pages/169//span></groundwater/wp-json/wp/v2/pages/169//a><a   onclick=/groundwater/wp-json/wp/v2/pages/169/"javascript:void( (function() {var e=document.createElement('script' );e.setAttribute('type','text/groundwater/wp-json/wp/v2/pages/169//javascript' );e.setAttribute('charset','UTF-8' );e.setAttribute('src','/groundwater/wp-json/wp/v2/pages/169///groundwater/wp-json/wp/v2/pages/169//assets.pinterest.com/groundwater/wp-json/wp/v2/pages/169//js/groundwater/wp-json/wp/v2/pages/169//pinmarklet.js?r='+Math.random()*99999999);document.body.appendChild(e)})());/groundwater/wp-json/wp/v2/pages/169/"  href=/groundwater/wp-json/wp/v2/pages/169/"javascript:void(0);/groundwater/wp-json/wp/v2/pages/169/"><span class=/groundwater/wp-json/wp/v2/pages/169/"icon-pinterest/groundwater/wp-json/wp/v2/pages/169/"><span class=/groundwater/wp-json/wp/v2/pages/169/"hidden/groundwater/wp-json/wp/v2/pages/169/">Pinterest</groundwater/wp-json/wp/v2/pages/169//span></groundwater/wp-json/wp/v2/pages/169//span></groundwater/wp-json/wp/v2/pages/169//a><a target=/groundwater/wp-json/wp/v2/pages/169/"_blank/groundwater/wp-json/wp/v2/pages/169/"  href=/groundwater/wp-json/wp/v2/pages/169/"https:/groundwater/wp-json/wp/v2/pages/169///groundwater/wp-json/wp/v2/pages/169//wa.me?text=https:/groundwater/wp-json/wp/v2/pages/169///groundwater/wp-json/wp/v2/pages/169//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/169//groundwater/groundwater/wp-json/wp/v2/pages/169//data/groundwater/wp-json/wp/v2/pages/169//groundwater-levels/groundwater/wp-json/wp/v2/pages/169//stonor-park/groundwater/wp-json/wp/v2/pages/169///groundwater/wp-json/wp/v2/pages/169/"><span class=/groundwater/wp-json/wp/v2/pages/169/"icon-whatsapp/groundwater/wp-json/wp/v2/pages/169/"><span class=/groundwater/wp-json/wp/v2/pages/169/"hidden/groundwater/wp-json/wp/v2/pages/169/">WhatsApp</groundwater/wp-json/wp/v2/pages/169//span></groundwater/wp-json/wp/v2/pages/169//span></groundwater/wp-json/wp/v2/pages/169//a><a   href=/groundwater/wp-json/wp/v2/pages/169/"mailto:?subject=Stonor%20Park&#038;body=%20(https:/groundwater/wp-json/wp/v2/pages/169///groundwater/wp-json/wp/v2/pages/169//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/169//groundwater/groundwater/wp-json/wp/v2/pages/169//data/groundwater/wp-json/wp/v2/pages/169//groundwater-levels/groundwater/wp-json/wp/v2/pages/169//stonor-park/groundwater/wp-json/wp/v2/pages/169//)/groundwater/wp-json/wp/v2/pages/169/"><span class=/groundwater/wp-json/wp/v2/pages/169/"icon-mail/groundwater/wp-json/wp/v2/pages/169/"><span class=/groundwater/wp-json/wp/v2/pages/169/"hidden/groundwater/wp-json/wp/v2/pages/169/">Email</groundwater/wp-json/wp/v2/pages/169//span></groundwater/wp-json/wp/v2/pages/169//span></groundwater/wp-json/wp/v2/pages/169//a><a href=/groundwater/wp-json/wp/v2/pages/169/"#/groundwater/wp-json/wp/v2/pages/169/" data-copy=/groundwater/wp-json/wp/v2/pages/169/"https:/groundwater/wp-json/wp/v2/pages/169///groundwater/wp-json/wp/v2/pages/169//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/169//groundwater/groundwater/wp-json/wp/v2/pages/169//data/groundwater/wp-json/wp/v2/pages/169//groundwater-levels/groundwater/wp-json/wp/v2/pages/169//stonor-park/groundwater/wp-json/wp/v2/pages/169///groundwater/wp-json/wp/v2/pages/169/" class=/groundwater/wp-json/wp/v2/pages/169/"copy-url-on-click/groundwater/wp-json/wp/v2/pages/169/"><span class=/groundwater/wp-json/wp/v2/pages/169/"icon-link/groundwater/wp-json/wp/v2/pages/169/"><span class=/groundwater/wp-json/wp/v2/pages/169/"hidden/groundwater/wp-json/wp/v2/pages/169/">Copy Link</groundwater/wp-json/wp/v2/pages/169//span></groundwater/wp-json/wp/v2/pages/169//span></groundwater/wp-json/wp/v2/pages/169//a></groundwater/wp-json/wp/v2/pages/169//div></groundwater/wp-json/wp/v2/pages/169//div>/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t</groundwater/wp-json/wp/v2/pages/169//section>/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n<section class=/groundwater/wp-json/wp/v2/pages/169/"wp-block-bgs-blocks-content-container content-section/groundwater/wp-json/wp/v2/pages/169/"><div class=/groundwater/wp-json/wp/v2/pages/169/"container/groundwater/wp-json/wp/v2/pages/169/"><div class=/groundwater/wp-json/wp/v2/pages/169/"row/groundwater/wp-json/wp/v2/pages/169/"><div class=/groundwater/wp-json/wp/v2/pages/169/"col-12/groundwater/wp-json/wp/v2/pages/169/">/groundwater/wp-json/wp/v2/pages/169/n<p>The Stonor Park well, measuring levels in the <a href=/groundwater/wp-json/wp/v2/pages/169/"https:/groundwater/wp-json/wp/v2/pages/169///groundwater/wp-json/wp/v2/pages/169//webapps.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/169//lexicon/groundwater/wp-json/wp/v2/pages/169//lexicon.cfm?pub=SBS/groundwater/wp-json/wp/v2/pages/169/">Chalk Group</groundwater/wp-json/wp/v2/pages/169//a> aquifer near Henley-on-Thames in south-east England. Its hydrogeological setting and the absence of major abstractions in its vicinity mean it is often cited as a &#8216;typical&#8217; chalk observation well.</groundwater/wp-json/wp/v2/pages/169//p>/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n<p><a href=/groundwater/wp-json/wp/v2/pages/169/"https:/groundwater/wp-json/wp/v2/pages/169///groundwater/wp-json/wp/v2/pages/169//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/169//about-bgs/groundwater/wp-json/wp/v2/pages/169//contact-us/groundwater/wp-json/wp/v2/pages/169///groundwater/wp-json/wp/v2/pages/169/">BGS Enquiries</groundwater/wp-json/wp/v2/pages/169//a> can help you to access data from the National Groundwater Level Archive (NGLA) for this well.</groundwater/wp-json/wp/v2/pages/169//p>/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n<figure  class=/groundwater/wp-json/wp/v2/pages/169/"img-wrap/groundwater/wp-json/wp/v2/pages/169/"><img decoding=/groundwater/wp-json/wp/v2/pages/169/"async/groundwater/wp-json/wp/v2/pages/169/" src=/groundwater/wp-json/wp/v2/pages/169/"https:/groundwater/wp-json/wp/v2/pages/169///groundwater/wp-json/wp/v2/pages/169//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/169//groundwater/groundwater/wp-json/wp/v2/pages/169//wp-content/groundwater/wp-json/wp/v2/pages/169//uploads/groundwater/wp-json/wp/v2/pages/169//sites/groundwater/wp-json/wp/v2/pages/169//4/groundwater/wp-json/wp/v2/pages/169//2023/groundwater/wp-json/wp/v2/pages/169//12/groundwater/wp-json/wp/v2/pages/169//StonorPark-RedSpot-150x150.jpg/groundwater/wp-json/wp/v2/pages/169/" class=/groundwater/wp-json/wp/v2/pages/169/"lazy-blur/groundwater/wp-json/wp/v2/pages/169/" alt=/groundwater/wp-json/wp/v2/pages/169/"Location of Stonor Park. BGS /groundwater/wp-json/wp/v2/pages/169/u00a9 UKRI./groundwater/wp-json/wp/v2/pages/169/" data-src=/groundwater/wp-json/wp/v2/pages/169/"https:/groundwater/wp-json/wp/v2/pages/169///groundwater/wp-json/wp/v2/pages/169//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/169//groundwater/groundwater/wp-json/wp/v2/pages/169//wp-content/groundwater/wp-json/wp/v2/pages/169//uploads/groundwater/wp-json/wp/v2/pages/169//sites/groundwater/wp-json/wp/v2/pages/169//4/groundwater/wp-json/wp/v2/pages/169//2023/groundwater/wp-json/wp/v2/pages/169//12/groundwater/wp-json/wp/v2/pages/169//StonorPark-RedSpot.jpg/groundwater/wp-json/wp/v2/pages/169/" /groundwater/wp-json/wp/v2/pages/169//><figcaption class=/groundwater/wp-json/wp/v2/pages/169/"caption sm-line/groundwater/wp-json/wp/v2/pages/169/">/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t<div class=/groundwater/wp-json/wp/v2/pages/169/"caption-icon/groundwater/wp-json/wp/v2/pages/169/">/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t<img decoding=/groundwater/wp-json/wp/v2/pages/169/"async/groundwater/wp-json/wp/v2/pages/169/" src=/groundwater/wp-json/wp/v2/pages/169/"https:/groundwater/wp-json/wp/v2/pages/169///groundwater/wp-json/wp/v2/pages/169//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/169//groundwater/groundwater/wp-json/wp/v2/pages/169//wp-content/groundwater/wp-json/wp/v2/pages/169//themes/groundwater/wp-json/wp/v2/pages/169//bgs/groundwater/wp-json/wp/v2/pages/169//img/groundwater/wp-json/wp/v2/pages/169//info-caption.svg/groundwater/wp-json/wp/v2/pages/169/" alt=/groundwater/wp-json/wp/v2/pages/169/"Information icon/groundwater/wp-json/wp/v2/pages/169/">/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t</groundwater/wp-json/wp/v2/pages/169//div>/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t<div class=/groundwater/wp-json/wp/v2/pages/169/"caption-text/groundwater/wp-json/wp/v2/pages/169/"><p>Location of Stonor Park. BGS /groundwater/wp-json/wp/v2/pages/169/u00a9 UKRI.</groundwater/wp-json/wp/v2/pages/169//p>/groundwater/wp-json/wp/v2/pages/169/n</groundwater/wp-json/wp/v2/pages/169//div>/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t</groundwater/wp-json/wp/v2/pages/169//figcaption></groundwater/wp-json/wp/v2/pages/169//figure>/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n<h2 class=/groundwater/wp-json/wp/v2/pages/169/"wp-block-heading/groundwater/wp-json/wp/v2/pages/169/">Hydrograph</groundwater/wp-json/wp/v2/pages/169//h2>/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n<figure class=/groundwater/wp-json/wp/v2/pages/169/"img-central/groundwater/wp-json/wp/v2/pages/169/">/groundwater/wp-json/wp/v2/pages/169/n  <img decoding=/groundwater/wp-json/wp/v2/pages/169/"async/groundwater/wp-json/wp/v2/pages/169/" src=/groundwater/wp-json/wp/v2/pages/169/"https:/groundwater/wp-json/wp/v2/pages/169///groundwater/wp-json/wp/v2/pages/169//resources.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/169//groundwater/groundwater/wp-json/wp/v2/pages/169//hydrographs/groundwater/wp-json/wp/v2/pages/169//bgsfigs/groundwater/wp-json/wp/v2/pages/169//STONOR PARK-allyears.webp/groundwater/wp-json/wp/v2/pages/169/" loading=/groundwater/wp-json/wp/v2/pages/169/"lazy/groundwater/wp-json/wp/v2/pages/169/" class=/groundwater/wp-json/wp/v2/pages/169/"img-fluid/groundwater/wp-json/wp/v2/pages/169/" alt=/groundwater/wp-json/wp/v2/pages/169/"/groundwater/wp-json/wp/v2/pages/169/"> /groundwater/wp-json/wp/v2/pages/169/n<figcaption>/groundwater/wp-json/wp/v2/pages/169/n        Groundwater level timeseries over the full observational record for Stonor Park. National Groundwater Level Archive, /groundwater/wp-json/wp/v2/pages/169/u00a9 UKRI /groundwater/wp-json/wp/v2/pages/169/u2013 BGS/groundwater/wp-json/wp/v2/pages/169/n    </groundwater/wp-json/wp/v2/pages/169//figcaption>/groundwater/wp-json/wp/v2/pages/169/n</groundwater/wp-json/wp/v2/pages/169//figure>/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n<figure class=/groundwater/wp-json/wp/v2/pages/169/"img-central/groundwater/wp-json/wp/v2/pages/169/">/groundwater/wp-json/wp/v2/pages/169/n  <img decoding=/groundwater/wp-json/wp/v2/pages/169/"async/groundwater/wp-json/wp/v2/pages/169/" src=/groundwater/wp-json/wp/v2/pages/169/"https:/groundwater/wp-json/wp/v2/pages/169///groundwater/wp-json/wp/v2/pages/169//resources.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/169//groundwater/groundwater/wp-json/wp/v2/pages/169//hydrographs/groundwater/wp-json/wp/v2/pages/169//bgsfigs/groundwater/wp-json/wp/v2/pages/169//STONOR PARK-recentyears.webp/groundwater/wp-json/wp/v2/pages/169/" loading=/groundwater/wp-json/wp/v2/pages/169/"lazy/groundwater/wp-json/wp/v2/pages/169/" class=/groundwater/wp-json/wp/v2/pages/169/"img-fluid/groundwater/wp-json/wp/v2/pages/169/" alt=/groundwater/wp-json/wp/v2/pages/169/"/groundwater/wp-json/wp/v2/pages/169/"> /groundwater/wp-json/wp/v2/pages/169/n<figcaption>/groundwater/wp-json/wp/v2/pages/169/n        Groundwater level timeseries for the last 5 years of available data for  Stonor Park. National Groundwater Level Archive, /groundwater/wp-json/wp/v2/pages/169/u00a9 UKRI /groundwater/wp-json/wp/v2/pages/169/u2013 BGS/groundwater/wp-json/wp/v2/pages/169/n    </groundwater/wp-json/wp/v2/pages/169//figcaption>/groundwater/wp-json/wp/v2/pages/169/n</groundwater/wp-json/wp/v2/pages/169//figure>/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n<h2 class=/groundwater/wp-json/wp/v2/pages/169/"wp-block-heading/groundwater/wp-json/wp/v2/pages/169/">Information about the well</groundwater/wp-json/wp/v2/pages/169//h2>/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n<h3 class=/groundwater/wp-json/wp/v2/pages/169/"wp-block-heading/groundwater/wp-json/wp/v2/pages/169/">Hydrogeological setting</groundwater/wp-json/wp/v2/pages/169//h3>/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t<div id=/groundwater/wp-json/wp/v2/pages/169/"wysiwyg-401-block_16be328ae5a8502e122ab82ec4afe59b/groundwater/wp-json/wp/v2/pages/169/" class=/groundwater/wp-json/wp/v2/pages/169/"  /groundwater/wp-json/wp/v2/pages/169/" >/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t<div class=/groundwater/wp-json/wp/v2/pages/169/"col-12 responsive-table/groundwater/wp-json/wp/v2/pages/169/"><table>/groundwater/wp-json/wp/v2/pages/169/n<tbody>/groundwater/wp-json/wp/v2/pages/169/n<tr>/groundwater/wp-json/wp/v2/pages/169/n<th style=/groundwater/wp-json/wp/v2/pages/169/"width: 99.6575%;height: 23px;background-color: #002e40/groundwater/wp-json/wp/v2/pages/169/" colspan=/groundwater/wp-json/wp/v2/pages/169/"2/groundwater/wp-json/wp/v2/pages/169/"><span style=/groundwater/wp-json/wp/v2/pages/169/"color: #ffffff/groundwater/wp-json/wp/v2/pages/169/">Stonor Park</groundwater/wp-json/wp/v2/pages/169//span></groundwater/wp-json/wp/v2/pages/169//th>/groundwater/wp-json/wp/v2/pages/169/n</groundwater/wp-json/wp/v2/pages/169//tr>/groundwater/wp-json/wp/v2/pages/169/n<tr>/groundwater/wp-json/wp/v2/pages/169/n<td><strong>Wellmaster ID</groundwater/wp-json/wp/v2/pages/169//strong></groundwater/wp-json/wp/v2/pages/169//td>/groundwater/wp-json/wp/v2/pages/169/n<td>SU78/groundwater/wp-json/wp/v2/pages/169//45A</groundwater/wp-json/wp/v2/pages/169//td>/groundwater/wp-json/wp/v2/pages/169/n</groundwater/wp-json/wp/v2/pages/169//tr>/groundwater/wp-json/wp/v2/pages/169/n<tr>/groundwater/wp-json/wp/v2/pages/169/n<td><strong>NGR</groundwater/wp-json/wp/v2/pages/169//strong></groundwater/wp-json/wp/v2/pages/169//td>/groundwater/wp-json/wp/v2/pages/169/n<td>4741 1892</groundwater/wp-json/wp/v2/pages/169//td>/groundwater/wp-json/wp/v2/pages/169/n</groundwater/wp-json/wp/v2/pages/169//tr>/groundwater/wp-json/wp/v2/pages/169/n<tr>/groundwater/wp-json/wp/v2/pages/169/n<td><strong>Datum</groundwater/wp-json/wp/v2/pages/169//strong></groundwater/wp-json/wp/v2/pages/169//td>/groundwater/wp-json/wp/v2/pages/169/n<td>121.29/groundwater/wp-json/wp/v2/pages/169/u00a0m AOD</groundwater/wp-json/wp/v2/pages/169//td>/groundwater/wp-json/wp/v2/pages/169/n</groundwater/wp-json/wp/v2/pages/169//tr>/groundwater/wp-json/wp/v2/pages/169/n<tr>/groundwater/wp-json/wp/v2/pages/169/n<th style=/groundwater/wp-json/wp/v2/pages/169/"width: 99.6575%;height: 23px;background-color: #002e40/groundwater/wp-json/wp/v2/pages/169/" colspan=/groundwater/wp-json/wp/v2/pages/169/"2/groundwater/wp-json/wp/v2/pages/169/"><span style=/groundwater/wp-json/wp/v2/pages/169/"color: #ffffff/groundwater/wp-json/wp/v2/pages/169/">Monitoring details</groundwater/wp-json/wp/v2/pages/169//span></groundwater/wp-json/wp/v2/pages/169//th>/groundwater/wp-json/wp/v2/pages/169/n</groundwater/wp-json/wp/v2/pages/169//tr>/groundwater/wp-json/wp/v2/pages/169/n<tr>/groundwater/wp-json/wp/v2/pages/169/n<td><strong>Type</groundwater/wp-json/wp/v2/pages/169//strong></groundwater/wp-json/wp/v2/pages/169//td>/groundwater/wp-json/wp/v2/pages/169/n<td>Groundwater level</groundwater/wp-json/wp/v2/pages/169//td>/groundwater/wp-json/wp/v2/pages/169/n</groundwater/wp-json/wp/v2/pages/169//tr>/groundwater/wp-json/wp/v2/pages/169/n<tr>/groundwater/wp-json/wp/v2/pages/169/n<td><strong>Aquifer</groundwater/wp-json/wp/v2/pages/169//strong></groundwater/wp-json/wp/v2/pages/169//td>/groundwater/wp-json/wp/v2/pages/169/n<td>Chalk</groundwater/wp-json/wp/v2/pages/169//td>/groundwater/wp-json/wp/v2/pages/169/n</groundwater/wp-json/wp/v2/pages/169//tr>/groundwater/wp-json/wp/v2/pages/169/n<tr>/groundwater/wp-json/wp/v2/pages/169/n<td><strong>Confinement</groundwater/wp-json/wp/v2/pages/169//strong></groundwater/wp-json/wp/v2/pages/169//td>/groundwater/wp-json/wp/v2/pages/169/n<td>Unconfined</groundwater/wp-json/wp/v2/pages/169//td>/groundwater/wp-json/wp/v2/pages/169/n</groundwater/wp-json/wp/v2/pages/169//tr>/groundwater/wp-json/wp/v2/pages/169/n<tr>/groundwater/wp-json/wp/v2/pages/169/n<td><strong>Depth</groundwater/wp-json/wp/v2/pages/169//strong></groundwater/wp-json/wp/v2/pages/169//td>/groundwater/wp-json/wp/v2/pages/169/n<td>87.5 m</groundwater/wp-json/wp/v2/pages/169//td>/groundwater/wp-json/wp/v2/pages/169/n</groundwater/wp-json/wp/v2/pages/169//tr>/groundwater/wp-json/wp/v2/pages/169/n<tr>/groundwater/wp-json/wp/v2/pages/169/n<th style=/groundwater/wp-json/wp/v2/pages/169/"width: 99.6575%;height: 23px;background-color: #002e40/groundwater/wp-json/wp/v2/pages/169/" colspan=/groundwater/wp-json/wp/v2/pages/169/"2/groundwater/wp-json/wp/v2/pages/169/"><span style=/groundwater/wp-json/wp/v2/pages/169/"color: #ffffff/groundwater/wp-json/wp/v2/pages/169/">Record</groundwater/wp-json/wp/v2/pages/169//span></groundwater/wp-json/wp/v2/pages/169//th>/groundwater/wp-json/wp/v2/pages/169/n</groundwater/wp-json/wp/v2/pages/169//tr>/groundwater/wp-json/wp/v2/pages/169/n<tr>/groundwater/wp-json/wp/v2/pages/169/n<td><strong>Monitored by</groundwater/wp-json/wp/v2/pages/169//strong></groundwater/wp-json/wp/v2/pages/169//td>/groundwater/wp-json/wp/v2/pages/169/n<td>EA Thames</groundwater/wp-json/wp/v2/pages/169//td>/groundwater/wp-json/wp/v2/pages/169/n</groundwater/wp-json/wp/v2/pages/169//tr>/groundwater/wp-json/wp/v2/pages/169/n<tr>/groundwater/wp-json/wp/v2/pages/169/n<td><strong>Records commence</groundwater/wp-json/wp/v2/pages/169//strong></groundwater/wp-json/wp/v2/pages/169//td>/groundwater/wp-json/wp/v2/pages/169/n<td>1961</groundwater/wp-json/wp/v2/pages/169//td>/groundwater/wp-json/wp/v2/pages/169/n</groundwater/wp-json/wp/v2/pages/169//tr>/groundwater/wp-json/wp/v2/pages/169/n<tr>/groundwater/wp-json/wp/v2/pages/169/n<td><strong>Records end</groundwater/wp-json/wp/v2/pages/169//strong></groundwater/wp-json/wp/v2/pages/169//td>/groundwater/wp-json/wp/v2/pages/169/n<td>Active</groundwater/wp-json/wp/v2/pages/169//td>/groundwater/wp-json/wp/v2/pages/169/n</groundwater/wp-json/wp/v2/pages/169//tr>/groundwater/wp-json/wp/v2/pages/169/n</groundwater/wp-json/wp/v2/pages/169//tbody>/groundwater/wp-json/wp/v2/pages/169/n</groundwater/wp-json/wp/v2/pages/169//table></groundwater/wp-json/wp/v2/pages/169//div>/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t</groundwater/wp-json/wp/v2/pages/169//div>/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n<p>The borehole monitors water level in the Chalk Group in the Berkshire Downs above Henley-on-Thames. It is drilled into the <a href=/groundwater/wp-json/wp/v2/pages/169/"https:/groundwater/wp-json/wp/v2/pages/169///groundwater/wp-json/wp/v2/pages/169//webapps.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/169//lexicon/groundwater/wp-json/wp/v2/pages/169//lexicon.cfm?pub=LECH/groundwater/wp-json/wp/v2/pages/169/">Lewes Nodular Chalk Formation</groundwater/wp-json/wp/v2/pages/169//a>. The aquifer is unconfined.</groundwater/wp-json/wp/v2/pages/169//p>/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n<figure  class=/groundwater/wp-json/wp/v2/pages/169/"img-wrap/groundwater/wp-json/wp/v2/pages/169/"><a href=/groundwater/wp-json/wp/v2/pages/169/"https:/groundwater/wp-json/wp/v2/pages/169///groundwater/wp-json/wp/v2/pages/169//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/169//groundwater/groundwater/wp-json/wp/v2/pages/169//wp-content/groundwater/wp-json/wp/v2/pages/169//uploads/groundwater/wp-json/wp/v2/pages/169//sites/groundwater/wp-json/wp/v2/pages/169//4/groundwater/wp-json/wp/v2/pages/169//2023/groundwater/wp-json/wp/v2/pages/169//12/groundwater/wp-json/wp/v2/pages/169//stonor-park-large-geology.webp/groundwater/wp-json/wp/v2/pages/169/" data-toggle=/groundwater/wp-json/wp/v2/pages/169/"lightbox/groundwater/wp-json/wp/v2/pages/169/" data-footer=/groundwater/wp-json/wp/v2/pages/169/"&lt;p&gt;Geological map of the area around Stonor Park. BGS /groundwater/wp-json/wp/v2/pages/169/u00a9 UKRI.&lt;/groundwater/wp-json/wp/v2/pages/169//p&gt;/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/" data-gallery=/groundwater/wp-json/wp/v2/pages/169/"gallery_78265/groundwater/wp-json/wp/v2/pages/169/"><img decoding=/groundwater/wp-json/wp/v2/pages/169/"async/groundwater/wp-json/wp/v2/pages/169/" src=/groundwater/wp-json/wp/v2/pages/169/"https:/groundwater/wp-json/wp/v2/pages/169///groundwater/wp-json/wp/v2/pages/169//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/169//groundwater/groundwater/wp-json/wp/v2/pages/169//wp-content/groundwater/wp-json/wp/v2/pages/169//uploads/groundwater/wp-json/wp/v2/pages/169//sites/groundwater/wp-json/wp/v2/pages/169//4/groundwater/wp-json/wp/v2/pages/169//2023/groundwater/wp-json/wp/v2/pages/169//12/groundwater/wp-json/wp/v2/pages/169//stonor-park-large-geology-150x150.webp/groundwater/wp-json/wp/v2/pages/169/" class=/groundwater/wp-json/wp/v2/pages/169/"lazy-blur/groundwater/wp-json/wp/v2/pages/169/" alt=/groundwater/wp-json/wp/v2/pages/169/"Geological map of the area around Stonor Park. BGS /groundwater/wp-json/wp/v2/pages/169/u00a9 UKRI./groundwater/wp-json/wp/v2/pages/169/" data-src=/groundwater/wp-json/wp/v2/pages/169/"https:/groundwater/wp-json/wp/v2/pages/169///groundwater/wp-json/wp/v2/pages/169//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/169//groundwater/groundwater/wp-json/wp/v2/pages/169//wp-content/groundwater/wp-json/wp/v2/pages/169//uploads/groundwater/wp-json/wp/v2/pages/169//sites/groundwater/wp-json/wp/v2/pages/169//4/groundwater/wp-json/wp/v2/pages/169//2023/groundwater/wp-json/wp/v2/pages/169//12/groundwater/wp-json/wp/v2/pages/169//stonor-park-large-geology-300x243.webp/groundwater/wp-json/wp/v2/pages/169/" /groundwater/wp-json/wp/v2/pages/169//></groundwater/wp-json/wp/v2/pages/169//a><figcaption class=/groundwater/wp-json/wp/v2/pages/169/"caption sm-line/groundwater/wp-json/wp/v2/pages/169/">/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t<div class=/groundwater/wp-json/wp/v2/pages/169/"caption-icon/groundwater/wp-json/wp/v2/pages/169/">/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t<img decoding=/groundwater/wp-json/wp/v2/pages/169/"async/groundwater/wp-json/wp/v2/pages/169/" src=/groundwater/wp-json/wp/v2/pages/169/"https:/groundwater/wp-json/wp/v2/pages/169///groundwater/wp-json/wp/v2/pages/169//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/169//groundwater/groundwater/wp-json/wp/v2/pages/169//wp-content/groundwater/wp-json/wp/v2/pages/169//themes/groundwater/wp-json/wp/v2/pages/169//bgs/groundwater/wp-json/wp/v2/pages/169//img/groundwater/wp-json/wp/v2/pages/169//info-caption.svg/groundwater/wp-json/wp/v2/pages/169/" alt=/groundwater/wp-json/wp/v2/pages/169/"Information icon/groundwater/wp-json/wp/v2/pages/169/">/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t</groundwater/wp-json/wp/v2/pages/169//div>/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t<div class=/groundwater/wp-json/wp/v2/pages/169/"caption-text/groundwater/wp-json/wp/v2/pages/169/"><p>Geological map of the area around Stonor Park. BGS /groundwater/wp-json/wp/v2/pages/169/u00a9 UKRI.</groundwater/wp-json/wp/v2/pages/169//p>/groundwater/wp-json/wp/v2/pages/169/n</groundwater/wp-json/wp/v2/pages/169//div>/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t<div class=/groundwater/wp-json/wp/v2/pages/169/"expand-box expand-box-top/groundwater/wp-json/wp/v2/pages/169/"><a href=/groundwater/wp-json/wp/v2/pages/169/"https:/groundwater/wp-json/wp/v2/pages/169///groundwater/wp-json/wp/v2/pages/169//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/169//groundwater/groundwater/wp-json/wp/v2/pages/169//wp-content/groundwater/wp-json/wp/v2/pages/169//uploads/groundwater/wp-json/wp/v2/pages/169//sites/groundwater/wp-json/wp/v2/pages/169//4/groundwater/wp-json/wp/v2/pages/169//2023/groundwater/wp-json/wp/v2/pages/169//12/groundwater/wp-json/wp/v2/pages/169//stonor-park-large-geology.webp/groundwater/wp-json/wp/v2/pages/169/" ><img decoding=/groundwater/wp-json/wp/v2/pages/169/"async/groundwater/wp-json/wp/v2/pages/169/" src=/groundwater/wp-json/wp/v2/pages/169/"https:/groundwater/wp-json/wp/v2/pages/169///groundwater/wp-json/wp/v2/pages/169//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/169//groundwater/groundwater/wp-json/wp/v2/pages/169//wp-content/groundwater/wp-json/wp/v2/pages/169//themes/groundwater/wp-json/wp/v2/pages/169//bgs/groundwater/wp-json/wp/v2/pages/169//img/groundwater/wp-json/wp/v2/pages/169//expand.svg/groundwater/wp-json/wp/v2/pages/169/" alt=/groundwater/wp-json/wp/v2/pages/169/"Expand icon/groundwater/wp-json/wp/v2/pages/169/"></groundwater/wp-json/wp/v2/pages/169//a></groundwater/wp-json/wp/v2/pages/169//div>/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t</groundwater/wp-json/wp/v2/pages/169//figcaption></groundwater/wp-json/wp/v2/pages/169//figure>/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n<h3 class=/groundwater/wp-json/wp/v2/pages/169/"wp-block-heading/groundwater/wp-json/wp/v2/pages/169/">Well or borehole construction</groundwater/wp-json/wp/v2/pages/169//h3>/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n<p>The well consists of a 2.2&nbsp;m-diameter shaft to 60&nbsp;m and a 152&nbsp;mm-diameter borehole to 87.5&nbsp;m.</groundwater/wp-json/wp/v2/pages/169//p>/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n<h3 class=/groundwater/wp-json/wp/v2/pages/169/"wp-block-heading/groundwater/wp-json/wp/v2/pages/169/">Hydrograph response</groundwater/wp-json/wp/v2/pages/169//h3>/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n<p>This hydrograph has a very regular annual sinusoidal pattern, capturing the aquifer&#8217;s full range of fluctuation, although analysis suggests that there may be a constraint on low levels. As levels don&#8217;t reach the bottom of the well, the constraint may be hydrogeological.</groundwater/wp-json/wp/v2/pages/169//p>/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n<figure  class=/groundwater/wp-json/wp/v2/pages/169/"img-wrap/groundwater/wp-json/wp/v2/pages/169/"><a href=/groundwater/wp-json/wp/v2/pages/169/"https:/groundwater/wp-json/wp/v2/pages/169///groundwater/wp-json/wp/v2/pages/169//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/169//groundwater/groundwater/wp-json/wp/v2/pages/169//wp-content/groundwater/wp-json/wp/v2/pages/169//uploads/groundwater/wp-json/wp/v2/pages/169//sites/groundwater/wp-json/wp/v2/pages/169//4/groundwater/wp-json/wp/v2/pages/169//2023/groundwater/wp-json/wp/v2/pages/169//12/groundwater/wp-json/wp/v2/pages/169//hillshade-map-stonor-park.webp/groundwater/wp-json/wp/v2/pages/169/" data-toggle=/groundwater/wp-json/wp/v2/pages/169/"lightbox/groundwater/wp-json/wp/v2/pages/169/" data-footer=/groundwater/wp-json/wp/v2/pages/169/"&lt;p&gt;Topographical map with hillshade of the area around Stonor Park. BGS /groundwater/wp-json/wp/v2/pages/169/u00a9 UKRI.&lt;/groundwater/wp-json/wp/v2/pages/169//p&gt;/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/" data-gallery=/groundwater/wp-json/wp/v2/pages/169/"gallery_65631/groundwater/wp-json/wp/v2/pages/169/"><img decoding=/groundwater/wp-json/wp/v2/pages/169/"async/groundwater/wp-json/wp/v2/pages/169/" src=/groundwater/wp-json/wp/v2/pages/169/"https:/groundwater/wp-json/wp/v2/pages/169///groundwater/wp-json/wp/v2/pages/169//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/169//groundwater/groundwater/wp-json/wp/v2/pages/169//wp-content/groundwater/wp-json/wp/v2/pages/169//uploads/groundwater/wp-json/wp/v2/pages/169//sites/groundwater/wp-json/wp/v2/pages/169//4/groundwater/wp-json/wp/v2/pages/169//2023/groundwater/wp-json/wp/v2/pages/169//12/groundwater/wp-json/wp/v2/pages/169//hillshade-map-stonor-park-150x150.webp/groundwater/wp-json/wp/v2/pages/169/" class=/groundwater/wp-json/wp/v2/pages/169/"lazy-blur/groundwater/wp-json/wp/v2/pages/169/" alt=/groundwater/wp-json/wp/v2/pages/169/"Topographic map with hillshade of the area around Stonor Park. BGS /groundwater/wp-json/wp/v2/pages/169/u00a9 UKRI./groundwater/wp-json/wp/v2/pages/169/" data-src=/groundwater/wp-json/wp/v2/pages/169/"https:/groundwater/wp-json/wp/v2/pages/169///groundwater/wp-json/wp/v2/pages/169//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/169//groundwater/groundwater/wp-json/wp/v2/pages/169//wp-content/groundwater/wp-json/wp/v2/pages/169//uploads/groundwater/wp-json/wp/v2/pages/169//sites/groundwater/wp-json/wp/v2/pages/169//4/groundwater/wp-json/wp/v2/pages/169//2023/groundwater/wp-json/wp/v2/pages/169//12/groundwater/wp-json/wp/v2/pages/169//hillshade-map-stonor-park-300x201.webp/groundwater/wp-json/wp/v2/pages/169/" /groundwater/wp-json/wp/v2/pages/169//></groundwater/wp-json/wp/v2/pages/169//a><figcaption class=/groundwater/wp-json/wp/v2/pages/169/"caption sm-line/groundwater/wp-json/wp/v2/pages/169/">/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t<div class=/groundwater/wp-json/wp/v2/pages/169/"caption-icon/groundwater/wp-json/wp/v2/pages/169/">/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t<img decoding=/groundwater/wp-json/wp/v2/pages/169/"async/groundwater/wp-json/wp/v2/pages/169/" src=/groundwater/wp-json/wp/v2/pages/169/"https:/groundwater/wp-json/wp/v2/pages/169///groundwater/wp-json/wp/v2/pages/169//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/169//groundwater/groundwater/wp-json/wp/v2/pages/169//wp-content/groundwater/wp-json/wp/v2/pages/169//themes/groundwater/wp-json/wp/v2/pages/169//bgs/groundwater/wp-json/wp/v2/pages/169//img/groundwater/wp-json/wp/v2/pages/169//info-caption.svg/groundwater/wp-json/wp/v2/pages/169/" alt=/groundwater/wp-json/wp/v2/pages/169/"Information icon/groundwater/wp-json/wp/v2/pages/169/">/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t</groundwater/wp-json/wp/v2/pages/169//div>/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t<div class=/groundwater/wp-json/wp/v2/pages/169/"caption-text/groundwater/wp-json/wp/v2/pages/169/"><p>Topographical map with hillshade of the area around Stonor Park. BGS /groundwater/wp-json/wp/v2/pages/169/u00a9 UKRI.</groundwater/wp-json/wp/v2/pages/169//p>/groundwater/wp-json/wp/v2/pages/169/n</groundwater/wp-json/wp/v2/pages/169//div>/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t<div class=/groundwater/wp-json/wp/v2/pages/169/"expand-box expand-box-top/groundwater/wp-json/wp/v2/pages/169/"><a href=/groundwater/wp-json/wp/v2/pages/169/"https:/groundwater/wp-json/wp/v2/pages/169///groundwater/wp-json/wp/v2/pages/169//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/169//groundwater/groundwater/wp-json/wp/v2/pages/169//wp-content/groundwater/wp-json/wp/v2/pages/169//uploads/groundwater/wp-json/wp/v2/pages/169//sites/groundwater/wp-json/wp/v2/pages/169//4/groundwater/wp-json/wp/v2/pages/169//2023/groundwater/wp-json/wp/v2/pages/169//12/groundwater/wp-json/wp/v2/pages/169//hillshade-map-stonor-park.webp/groundwater/wp-json/wp/v2/pages/169/" ><img decoding=/groundwater/wp-json/wp/v2/pages/169/"async/groundwater/wp-json/wp/v2/pages/169/" src=/groundwater/wp-json/wp/v2/pages/169/"https:/groundwater/wp-json/wp/v2/pages/169///groundwater/wp-json/wp/v2/pages/169//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/169//groundwater/groundwater/wp-json/wp/v2/pages/169//wp-content/groundwater/wp-json/wp/v2/pages/169//themes/groundwater/wp-json/wp/v2/pages/169//bgs/groundwater/wp-json/wp/v2/pages/169//img/groundwater/wp-json/wp/v2/pages/169//expand.svg/groundwater/wp-json/wp/v2/pages/169/" alt=/groundwater/wp-json/wp/v2/pages/169/"Expand icon/groundwater/wp-json/wp/v2/pages/169/"></groundwater/wp-json/wp/v2/pages/169//a></groundwater/wp-json/wp/v2/pages/169//div>/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t/groundwater/wp-json/wp/v2/pages/169/t</groundwater/wp-json/wp/v2/pages/169//figcaption></groundwater/wp-json/wp/v2/pages/169//figure>/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n<p>The relative simplicity of the borehole&#8217;s response to recharge has meant that it is frequently cited as a typical chalk well and used in modelling exercises to link precipitation, recharge and water level. The chalk block monitored by Stonor is, in fact, slightly atypical in that it is one of the larger blocks without surface drainage and responses to individual recharge events are dampened.</groundwater/wp-json/wp/v2/pages/169//p>/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n<p>Flow in the Assendon spring is initiated when water levels reach 85.5&nbsp;m AOD, which tends to occur around once per decade.</groundwater/wp-json/wp/v2/pages/169//p>/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n<h3 class=/groundwater/wp-json/wp/v2/pages/169/"wp-block-heading/groundwater/wp-json/wp/v2/pages/169/">Data issues</groundwater/wp-json/wp/v2/pages/169//h3>/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n<p>Uninterrupted weekly data from 1963.</groundwater/wp-json/wp/v2/pages/169//p>/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n<h3 class=/groundwater/wp-json/wp/v2/pages/169/"wp-block-heading/groundwater/wp-json/wp/v2/pages/169/">References</groundwater/wp-json/wp/v2/pages/169//h3>/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n<p>Finch, J, Marsh, T, and McKenzie, A A. 2007.&nbsp;<a href=/groundwater/wp-json/wp/v2/pages/169/"http:/groundwater/wp-json/wp/v2/pages/169///groundwater/wp-json/wp/v2/pages/169//nora.nerc.ac.uk/groundwater/wp-json/wp/v2/pages/169//1387/groundwater/wp-json/wp/v2/pages/169///groundwater/wp-json/wp/v2/pages/169/" target=/groundwater/wp-json/wp/v2/pages/169/"_blank/groundwater/wp-json/wp/v2/pages/169/" rel=/groundwater/wp-json/wp/v2/pages/169/"noreferrer noopener/groundwater/wp-json/wp/v2/pages/169/">A preliminary risk assessment of the potential for groundwater flooding during the winter of 2007/groundwater/wp-json/wp/v2/pages/169//8 /groundwater/wp-json/wp/v2/pages/169/u2014 an update</groundwater/wp-json/wp/v2/pages/169//a>. (Wallingford, UK: NERC/groundwater/wp-json/wp/v2/pages/169//Centre for Ecology and Hydrology-British Geological Survey.)</groundwater/wp-json/wp/v2/pages/169//p>/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n<h2 class=/groundwater/wp-json/wp/v2/pages/169/"wp-block-heading/groundwater/wp-json/wp/v2/pages/169/" id=/groundwater/wp-json/wp/v2/pages/169/"acknowledgements/groundwater/wp-json/wp/v2/pages/169/">Acknowledgements</groundwater/wp-json/wp/v2/pages/169//h2>/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/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/169//p>/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n<p>Further information about these monitoring networks can be found on these pages:</groundwater/wp-json/wp/v2/pages/169//p>/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n<ul class=/groundwater/wp-json/wp/v2/pages/169/"wp-block-list/groundwater/wp-json/wp/v2/pages/169/">/groundwater/wp-json/wp/v2/pages/169/n<li><a href=/groundwater/wp-json/wp/v2/pages/169/"https:/groundwater/wp-json/wp/v2/pages/169///groundwater/wp-json/wp/v2/pages/169//timeseriesdoc.sepa.org.uk/groundwater/wp-json/wp/v2/pages/169///groundwater/wp-json/wp/v2/pages/169/" target=/groundwater/wp-json/wp/v2/pages/169/"_blank/groundwater/wp-json/wp/v2/pages/169/" rel=/groundwater/wp-json/wp/v2/pages/169/"noreferrer noopener/groundwater/wp-json/wp/v2/pages/169/">Scotland</groundwater/wp-json/wp/v2/pages/169//a>&nbsp;(SEPA)</groundwater/wp-json/wp/v2/pages/169//li>/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n<li><a href=/groundwater/wp-json/wp/v2/pages/169/"https:/groundwater/wp-json/wp/v2/pages/169///groundwater/wp-json/wp/v2/pages/169//environment.data.gov.uk/groundwater/wp-json/wp/v2/pages/169//hydrology/groundwater/wp-json/wp/v2/pages/169//landing/groundwater/wp-json/wp/v2/pages/169/" target=/groundwater/wp-json/wp/v2/pages/169/"_blank/groundwater/wp-json/wp/v2/pages/169/" rel=/groundwater/wp-json/wp/v2/pages/169/"noreferrer noopener/groundwater/wp-json/wp/v2/pages/169/">England</groundwater/wp-json/wp/v2/pages/169//a>&nbsp;(Defra)&nbsp;</groundwater/wp-json/wp/v2/pages/169//li>/groundwater/wp-json/wp/v2/pages/169/n</groundwater/wp-json/wp/v2/pages/169//ul>/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n<h2 class=/groundwater/wp-json/wp/v2/pages/169/"wp-block-heading/groundwater/wp-json/wp/v2/pages/169/">Contact</groundwater/wp-json/wp/v2/pages/169//h2>/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n/groundwater/wp-json/wp/v2/pages/169/n<p>Please&nbsp;<a href=/groundwater/wp-json/wp/v2/pages/169/"https:/groundwater/wp-json/wp/v2/pages/169///groundwater/wp-json/wp/v2/pages/169//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/169//about-bgs/groundwater/wp-json/wp/v2/pages/169//contact-us/groundwater/wp-json/wp/v2/pages/169///groundwater/wp-json/wp/v2/pages/169/">contact BGS Enquiries</groundwater/wp-json/wp/v2/pages/169//a>&nbsp;for further information.</groundwater/wp-json/wp/v2/pages/169//p>/groundwater/wp-json/wp/v2/pages/169/n</groundwater/wp-json/wp/v2/pages/169//div></groundwater/wp-json/wp/v2/pages/169//div></groundwater/wp-json/wp/v2/pages/169//div></groundwater/wp-json/wp/v2/pages/169//section>/groundwater/wp-json/wp/v2/pages/169/n","protected":false},"excerpt":{"rendered":"","protected":false},"author":3,"featured_media":0,"parent":30,"menu_order":15,"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-169","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- 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content=/groundwater/wp-json/wp/v2/pages/169/"https:/groundwater/wp-json/wp/v2/pages/169///groundwater/wp-json/wp/v2/pages/169//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/169//groundwater/groundwater/wp-json/wp/v2/pages/169//data/groundwater/wp-json/wp/v2/pages/169//groundwater-levels/groundwater/wp-json/wp/v2/pages/169//stonor-park/groundwater/wp-json/wp/v2/pages/169///groundwater/wp-json/wp/v2/pages/169/" /groundwater/wp-json/wp/v2/pages/169//>/groundwater/wp-json/wp/v2/pages/169/n<meta property=/groundwater/wp-json/wp/v2/pages/169/"og:site_name/groundwater/wp-json/wp/v2/pages/169/" content=/groundwater/wp-json/wp/v2/pages/169/"BGS Groundwater/groundwater/wp-json/wp/v2/pages/169/" /groundwater/wp-json/wp/v2/pages/169//>/groundwater/wp-json/wp/v2/pages/169/n<meta property=/groundwater/wp-json/wp/v2/pages/169/"article:modified_time/groundwater/wp-json/wp/v2/pages/169/" content=/groundwater/wp-json/wp/v2/pages/169/"2025-12-17T13:43:44+00:00/groundwater/wp-json/wp/v2/pages/169/" 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