{"id":2507,"date":"2024-01-16T15:31:21","date_gmt":"2024-01-16T15:31:21","guid":{"rendered":"https:/groundwater/wp-json/wp/v2/pages/2507///groundwater/wp-json/wp/v2/pages/2507//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/2507//groundwater/groundwater/wp-json/wp/v2/pages/2507//quality/groundwater/wp-json/wp/v2/pages/2507//shale-gas/groundwater/wp-json/wp/v2/pages/2507//further-baseline-studies-to-assess-onshore-oil-gas-risks-to-groundwater/groundwater/wp-json/wp/v2/pages/2507//"},"modified":"2026-04-01T15:15:25","modified_gmt":"2026-04-01T14:15:25","slug":"onshore-oil-gas-risks-to-groundwater","status":"publish","type":"page","link":"https:/groundwater/wp-json/wp/v2/pages/2507///groundwater/wp-json/wp/v2/pages/2507//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/2507//groundwater/groundwater/wp-json/wp/v2/pages/2507//energy/groundwater/wp-json/wp/v2/pages/2507//shale-gas-and-groundwater/groundwater/wp-json/wp/v2/pages/2507//onshore-oil-gas-risks-to-groundwater/groundwater/wp-json/wp/v2/pages/2507//","title":{"rendered":"Onshore oil and gas risks to groundwater"},"content":{"rendered":"/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t<section class=/groundwater/wp-json/wp/v2/pages/2507/"hero-section hero-section-with-social/groundwater/wp-json/wp/v2/pages/2507/">/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t<div class=/groundwater/wp-json/wp/v2/pages/2507/"hero-info-wrap/groundwater/wp-json/wp/v2/pages/2507/">/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t<div class=/groundwater/wp-json/wp/v2/pages/2507/"container/groundwater/wp-json/wp/v2/pages/2507/">/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t<div class=/groundwater/wp-json/wp/v2/pages/2507/"row/groundwater/wp-json/wp/v2/pages/2507/">/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t<div class=/groundwater/wp-json/wp/v2/pages/2507/"col-12/groundwater/wp-json/wp/v2/pages/2507/">/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t<div class=/groundwater/wp-json/wp/v2/pages/2507/"hero-info/groundwater/wp-json/wp/v2/pages/2507/">/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t<h1>Onshore oil and gas risks to groundwater</groundwater/wp-json/wp/v2/pages/2507//h1>/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t</groundwater/wp-json/wp/v2/pages/2507//div>/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t</groundwater/wp-json/wp/v2/pages/2507//div>/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t</groundwater/wp-json/wp/v2/pages/2507//div>/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t</groundwater/wp-json/wp/v2/pages/2507//div>/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t</groundwater/wp-json/wp/v2/pages/2507//div>/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t<div class=/groundwater/wp-json/wp/v2/pages/2507/"social-wrap social-wrap-inline-them/groundwater/wp-json/wp/v2/pages/2507/">/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t<div class=/groundwater/wp-json/wp/v2/pages/2507/"sea-background-f/groundwater/wp-json/wp/v2/pages/2507/">/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t<span>Share this article</groundwater/wp-json/wp/v2/pages/2507//span><a target=/groundwater/wp-json/wp/v2/pages/2507/"_blank/groundwater/wp-json/wp/v2/pages/2507/"  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class=/groundwater/wp-json/wp/v2/pages/2507/"hidden/groundwater/wp-json/wp/v2/pages/2507/">WhatsApp</groundwater/wp-json/wp/v2/pages/2507//span></groundwater/wp-json/wp/v2/pages/2507//span></groundwater/wp-json/wp/v2/pages/2507//a><a   href=/groundwater/wp-json/wp/v2/pages/2507/"mailto:?subject=Onshore%20oil%20and%20gas%20risks%20to%20groundwater&#038;body=Measuring%20groundwater%20quality%20to%20support%20assessment%20of%20the%20risks%20to%20groundwater%20from%20onshore%20oil%20and%20gas%20activities.%20(https:/groundwater/wp-json/wp/v2/pages/2507///groundwater/wp-json/wp/v2/pages/2507//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/2507//groundwater/groundwater/wp-json/wp/v2/pages/2507//energy/groundwater/wp-json/wp/v2/pages/2507//shale-gas-and-groundwater/groundwater/wp-json/wp/v2/pages/2507//onshore-oil-gas-risks-to-groundwater/groundwater/wp-json/wp/v2/pages/2507//)/groundwater/wp-json/wp/v2/pages/2507/"><span 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class=/groundwater/wp-json/wp/v2/pages/2507/"icon-link/groundwater/wp-json/wp/v2/pages/2507/"><span class=/groundwater/wp-json/wp/v2/pages/2507/"hidden/groundwater/wp-json/wp/v2/pages/2507/">Copy Link</groundwater/wp-json/wp/v2/pages/2507//span></groundwater/wp-json/wp/v2/pages/2507//span></groundwater/wp-json/wp/v2/pages/2507//a></groundwater/wp-json/wp/v2/pages/2507//div></groundwater/wp-json/wp/v2/pages/2507//div>/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t</groundwater/wp-json/wp/v2/pages/2507//section>/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n<section class=/groundwater/wp-json/wp/v2/pages/2507/"wp-block-bgs-blocks-content-container content-section/groundwater/wp-json/wp/v2/pages/2507/"><div class=/groundwater/wp-json/wp/v2/pages/2507/"container/groundwater/wp-json/wp/v2/pages/2507/"><div class=/groundwater/wp-json/wp/v2/pages/2507/"row/groundwater/wp-json/wp/v2/pages/2507/"><div class=/groundwater/wp-json/wp/v2/pages/2507/"col-12/groundwater/wp-json/wp/v2/pages/2507/">/groundwater/wp-json/wp/v2/pages/2507/n<p>BGS and the Environment Agency (EA) collaborated in a project to characterise groundwater quality, to support assessment of the risks to groundwater in England from any new developments in activities related to onshore oil and gas, both conventional and unconventional. The project lasted for two years and started in December 2018.</groundwater/wp-json/wp/v2/pages/2507//p>/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n<figure  class=/groundwater/wp-json/wp/v2/pages/2507/"img-wrap/groundwater/wp-json/wp/v2/pages/2507/"><a href=/groundwater/wp-json/wp/v2/pages/2507/"https:/groundwater/wp-json/wp/v2/pages/2507///groundwater/wp-json/wp/v2/pages/2507//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/2507//groundwater/groundwater/wp-json/wp/v2/pages/2507//wp-content/groundwater/wp-json/wp/v2/pages/2507//uploads/groundwater/wp-json/wp/v2/pages/2507//sites/groundwater/wp-json/wp/v2/pages/2507//4/groundwater/wp-json/wp/v2/pages/2507//2025/groundwater/wp-json/wp/v2/pages/2507//03/groundwater/wp-json/wp/v2/pages/2507//bedrock-aquifer-designations-feature.webp/groundwater/wp-json/wp/v2/pages/2507/" data-toggle=/groundwater/wp-json/wp/v2/pages/2507/"lightbox/groundwater/wp-json/wp/v2/pages/2507/" data-footer=/groundwater/wp-json/wp/v2/pages/2507/"&lt;p&gt;Aquifers of England with prospective areas for onshore oil and gas activities. BGS /groundwater/wp-json/wp/v2/pages/2507/u00a9 UKRI.&lt;/groundwater/wp-json/wp/v2/pages/2507//p&gt;/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/" data-gallery=/groundwater/wp-json/wp/v2/pages/2507/"gallery_42601/groundwater/wp-json/wp/v2/pages/2507/"><img decoding=/groundwater/wp-json/wp/v2/pages/2507/"async/groundwater/wp-json/wp/v2/pages/2507/" src=/groundwater/wp-json/wp/v2/pages/2507/"https:/groundwater/wp-json/wp/v2/pages/2507///groundwater/wp-json/wp/v2/pages/2507//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/2507//groundwater/groundwater/wp-json/wp/v2/pages/2507//wp-content/groundwater/wp-json/wp/v2/pages/2507//uploads/groundwater/wp-json/wp/v2/pages/2507//sites/groundwater/wp-json/wp/v2/pages/2507//4/groundwater/wp-json/wp/v2/pages/2507//2025/groundwater/wp-json/wp/v2/pages/2507//03/groundwater/wp-json/wp/v2/pages/2507//bedrock-aquifer-designations-feature.webp/groundwater/wp-json/wp/v2/pages/2507/" class=/groundwater/wp-json/wp/v2/pages/2507/"lazy-blur/groundwater/wp-json/wp/v2/pages/2507/" alt=/groundwater/wp-json/wp/v2/pages/2507/"bedrock-aquifer-designations-feature/groundwater/wp-json/wp/v2/pages/2507/" data-src=/groundwater/wp-json/wp/v2/pages/2507/"https:/groundwater/wp-json/wp/v2/pages/2507///groundwater/wp-json/wp/v2/pages/2507//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/2507//groundwater/groundwater/wp-json/wp/v2/pages/2507//wp-content/groundwater/wp-json/wp/v2/pages/2507//uploads/groundwater/wp-json/wp/v2/pages/2507//sites/groundwater/wp-json/wp/v2/pages/2507//4/groundwater/wp-json/wp/v2/pages/2507//2025/groundwater/wp-json/wp/v2/pages/2507//03/groundwater/wp-json/wp/v2/pages/2507//bedrock-aquifer-designations-feature.webp/groundwater/wp-json/wp/v2/pages/2507/" /groundwater/wp-json/wp/v2/pages/2507//></groundwater/wp-json/wp/v2/pages/2507//a><figcaption class=/groundwater/wp-json/wp/v2/pages/2507/"caption sm-line/groundwater/wp-json/wp/v2/pages/2507/">/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t<div class=/groundwater/wp-json/wp/v2/pages/2507/"caption-icon/groundwater/wp-json/wp/v2/pages/2507/">/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t<img decoding=/groundwater/wp-json/wp/v2/pages/2507/"async/groundwater/wp-json/wp/v2/pages/2507/" src=/groundwater/wp-json/wp/v2/pages/2507/"https:/groundwater/wp-json/wp/v2/pages/2507///groundwater/wp-json/wp/v2/pages/2507//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/2507//groundwater/groundwater/wp-json/wp/v2/pages/2507//wp-content/groundwater/wp-json/wp/v2/pages/2507//themes/groundwater/wp-json/wp/v2/pages/2507//bgs/groundwater/wp-json/wp/v2/pages/2507//img/groundwater/wp-json/wp/v2/pages/2507//info-caption.svg/groundwater/wp-json/wp/v2/pages/2507/" alt=/groundwater/wp-json/wp/v2/pages/2507/"Information icon/groundwater/wp-json/wp/v2/pages/2507/">/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t</groundwater/wp-json/wp/v2/pages/2507//div>/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t<div class=/groundwater/wp-json/wp/v2/pages/2507/"caption-text/groundwater/wp-json/wp/v2/pages/2507/"><p>Aquifers of England with prospective areas for onshore oil and gas activities. BGS /groundwater/wp-json/wp/v2/pages/2507/u00a9 UKRI.</groundwater/wp-json/wp/v2/pages/2507//p>/groundwater/wp-json/wp/v2/pages/2507/n</groundwater/wp-json/wp/v2/pages/2507//div>/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t<div class=/groundwater/wp-json/wp/v2/pages/2507/"expand-box expand-box-top/groundwater/wp-json/wp/v2/pages/2507/"><a href=/groundwater/wp-json/wp/v2/pages/2507/"https:/groundwater/wp-json/wp/v2/pages/2507///groundwater/wp-json/wp/v2/pages/2507//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/2507//groundwater/groundwater/wp-json/wp/v2/pages/2507//wp-content/groundwater/wp-json/wp/v2/pages/2507//uploads/groundwater/wp-json/wp/v2/pages/2507//sites/groundwater/wp-json/wp/v2/pages/2507//4/groundwater/wp-json/wp/v2/pages/2507//2025/groundwater/wp-json/wp/v2/pages/2507//03/groundwater/wp-json/wp/v2/pages/2507//bedrock-aquifer-designations-feature.webp/groundwater/wp-json/wp/v2/pages/2507/" ><img decoding=/groundwater/wp-json/wp/v2/pages/2507/"async/groundwater/wp-json/wp/v2/pages/2507/" src=/groundwater/wp-json/wp/v2/pages/2507/"https:/groundwater/wp-json/wp/v2/pages/2507///groundwater/wp-json/wp/v2/pages/2507//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/2507//groundwater/groundwater/wp-json/wp/v2/pages/2507//wp-content/groundwater/wp-json/wp/v2/pages/2507//themes/groundwater/wp-json/wp/v2/pages/2507//bgs/groundwater/wp-json/wp/v2/pages/2507//img/groundwater/wp-json/wp/v2/pages/2507//expand.svg/groundwater/wp-json/wp/v2/pages/2507/" alt=/groundwater/wp-json/wp/v2/pages/2507/"Expand icon/groundwater/wp-json/wp/v2/pages/2507/"></groundwater/wp-json/wp/v2/pages/2507//a></groundwater/wp-json/wp/v2/pages/2507//div>/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t</groundwater/wp-json/wp/v2/pages/2507//figcaption></groundwater/wp-json/wp/v2/pages/2507//figure>/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n<h2 class=/groundwater/wp-json/wp/v2/pages/2507/"wp-block-heading/groundwater/wp-json/wp/v2/pages/2507/">Rationale</groundwater/wp-json/wp/v2/pages/2507//h2>/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n<p>Establishing a good baseline for groundwater quality ahead of any subsurface exploration or development, including for onshore oil and gas, is essential for helping to identify future changes that may occur as a result of new activities. Past monitoring has shown that a range of substances that could be associated with new oil and gas activities may already exist in a variety of groundwater circumstances. This may be because they occur naturally, or they could result from earlier anthropogenic sources.</groundwater/wp-json/wp/v2/pages/2507//p>/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n<h2 class=/groundwater/wp-json/wp/v2/pages/2507/"wp-block-heading/groundwater/wp-json/wp/v2/pages/2507/">BGS baseline studies</groundwater/wp-json/wp/v2/pages/2507//h2>/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n<p>BGS carried out investigations of the quality of groundwater in aquifers of England and Wales between the late 1990s and 2015. Part of this investigation includes&nbsp;<a href=/groundwater/wp-json/wp/v2/pages/2507/"https:/groundwater/wp-json/wp/v2/pages/2507///groundwater/wp-json/wp/v2/pages/2507//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/2507//groundwater/groundwater/wp-json/wp/v2/pages/2507//quality/groundwater/wp-json/wp/v2/pages/2507//baseline-chemistry-uk-aquifers/groundwater/wp-json/wp/v2/pages/2507//baseline-reports/groundwater/wp-json/wp/v2/pages/2507//england-and-wales/groundwater/wp-json/wp/v2/pages/2507///groundwater/wp-json/wp/v2/pages/2507/">a series of 23 reports and an overall synthesis report</groundwater/wp-json/wp/v2/pages/2507//a>, in a collaboration between BGS and the EA that took place between 2002 and 2005. </groundwater/wp-json/wp/v2/pages/2507//p>/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n<p>BGS&#8217;s own baseline investigations both pre- and post-dated this collaboration. The studies were designed to provide a wide-ranging understanding of baseline groundwater quality across the country. Although comprehensive, in the context of onshore oil and gas exploration and development, methane and hydrocarbons were not generally included in these baseline reports. </groundwater/wp-json/wp/v2/pages/2507//p>/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n<p>BGS, again with EA support, also carried out an initial&nbsp;<a href=/groundwater/wp-json/wp/v2/pages/2507/"https:/groundwater/wp-json/wp/v2/pages/2507///groundwater/wp-json/wp/v2/pages/2507//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/2507//groundwater/groundwater/wp-json/wp/v2/pages/2507//shale-gas-and-groundwater/groundwater/wp-json/wp/v2/pages/2507//national-methane-baseline-survey-of-uk-groundwaters/groundwater/wp-json/wp/v2/pages/2507///groundwater/wp-json/wp/v2/pages/2507/">survey of methane in aquifers</groundwater/wp-json/wp/v2/pages/2507//a>. However, a further evaluation of groundwater quality including relevant hydrocarbons was needed for a thorough understanding of the groundwater baseline in the oil and gas industry context.</groundwater/wp-json/wp/v2/pages/2507//p>/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n<h2 class=/groundwater/wp-json/wp/v2/pages/2507/"wp-block-heading/groundwater/wp-json/wp/v2/pages/2507/">Activities</groundwater/wp-json/wp/v2/pages/2507//h2>/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n<p>This study reviewed existing data for selected relevant aquifers in England (in relation to onshore oil and gas exploration) and involved further reconnaissance groundwater sampling to target key diagnostic analytes. The geological and soil conditions that may give rise to the presence of substances associated with onshore oil and gas were also characterised (for example, the impact of proximity to methane-bearing media such as coal measures and peat soils).</groundwater/wp-json/wp/v2/pages/2507//p>/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n<p>Activities included:</groundwater/wp-json/wp/v2/pages/2507//p>/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n<ul class=/groundwater/wp-json/wp/v2/pages/2507/"wp-block-list/groundwater/wp-json/wp/v2/pages/2507/">/groundwater/wp-json/wp/v2/pages/2507/n<li>reviewing existing regional data to ascertain available information on oil- and gas-type substances and distributions</groundwater/wp-json/wp/v2/pages/2507//li>/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n<li>sampling and analysis of groundwater from potential oil and gas exploration areas to provide a more comprehensive dataset</groundwater/wp-json/wp/v2/pages/2507//li>/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n<li>determination of regional baseline conditions for methane in groundwater, along with other relevant oil- and gas-related parameters</groundwater/wp-json/wp/v2/pages/2507//li>/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n<li>characterisation of strata that act as sources for substances of potential concern, based on hydrogeological conceptualisation</groundwater/wp-json/wp/v2/pages/2507//li>/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n<li>extrapolation of findings to other aquifers in proximity to potential new oil and gas activities</groundwater/wp-json/wp/v2/pages/2507//li>/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n<li>presentation of findings and summary data</groundwater/wp-json/wp/v2/pages/2507//li>/groundwater/wp-json/wp/v2/pages/2507/n</groundwater/wp-json/wp/v2/pages/2507//ul>/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n<h2 class=/groundwater/wp-json/wp/v2/pages/2507/"wp-block-heading/groundwater/wp-json/wp/v2/pages/2507/">Sampling and analysis</groundwater/wp-json/wp/v2/pages/2507//h2>/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n<p>Evaluation of groundwater quality is ongoing, with studies in the Sherwood Sandstone aquifer of north Nottinghamshire and south Yorkshire, and the Lower Greensand aquifer of Sussex and Surrey. Further sampling was planned for 2020 and 2021 in both areas, dependent on site access.</groundwater/wp-json/wp/v2/pages/2507//p>/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n<figure  class=/groundwater/wp-json/wp/v2/pages/2507/"img-wrap/groundwater/wp-json/wp/v2/pages/2507/"><a href=/groundwater/wp-json/wp/v2/pages/2507/"https:/groundwater/wp-json/wp/v2/pages/2507///groundwater/wp-json/wp/v2/pages/2507//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/2507//groundwater/groundwater/wp-json/wp/v2/pages/2507//wp-content/groundwater/wp-json/wp/v2/pages/2507//uploads/groundwater/wp-json/wp/v2/pages/2507//sites/groundwater/wp-json/wp/v2/pages/2507//4/groundwater/wp-json/wp/v2/pages/2507//2025/groundwater/wp-json/wp/v2/pages/2507//10/groundwater/wp-json/wp/v2/pages/2507//P209857.jpg/groundwater/wp-json/wp/v2/pages/2507/" data-toggle=/groundwater/wp-json/wp/v2/pages/2507/"lightbox/groundwater/wp-json/wp/v2/pages/2507/" data-footer=/groundwater/wp-json/wp/v2/pages/2507/"&lt;p&gt;Outcrop of Lower Greensand Formation in Surrey. BGS /groundwater/wp-json/wp/v2/pages/2507/u00a9 UKRI.&lt;/groundwater/wp-json/wp/v2/pages/2507//p&gt;/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/" data-gallery=/groundwater/wp-json/wp/v2/pages/2507/"gallery_75922/groundwater/wp-json/wp/v2/pages/2507/"><img decoding=/groundwater/wp-json/wp/v2/pages/2507/"async/groundwater/wp-json/wp/v2/pages/2507/" src=/groundwater/wp-json/wp/v2/pages/2507/"https:/groundwater/wp-json/wp/v2/pages/2507///groundwater/wp-json/wp/v2/pages/2507//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/2507//groundwater/groundwater/wp-json/wp/v2/pages/2507//wp-content/groundwater/wp-json/wp/v2/pages/2507//uploads/groundwater/wp-json/wp/v2/pages/2507//sites/groundwater/wp-json/wp/v2/pages/2507//4/groundwater/wp-json/wp/v2/pages/2507//2025/groundwater/wp-json/wp/v2/pages/2507//10/groundwater/wp-json/wp/v2/pages/2507//P209857.jpg/groundwater/wp-json/wp/v2/pages/2507/" class=/groundwater/wp-json/wp/v2/pages/2507/"lazy-blur/groundwater/wp-json/wp/v2/pages/2507/" alt=/groundwater/wp-json/wp/v2/pages/2507/"P209857/groundwater/wp-json/wp/v2/pages/2507/" data-src=/groundwater/wp-json/wp/v2/pages/2507/"https:/groundwater/wp-json/wp/v2/pages/2507///groundwater/wp-json/wp/v2/pages/2507//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/2507//groundwater/groundwater/wp-json/wp/v2/pages/2507//wp-content/groundwater/wp-json/wp/v2/pages/2507//uploads/groundwater/wp-json/wp/v2/pages/2507//sites/groundwater/wp-json/wp/v2/pages/2507//4/groundwater/wp-json/wp/v2/pages/2507//2025/groundwater/wp-json/wp/v2/pages/2507//10/groundwater/wp-json/wp/v2/pages/2507//P209857.jpg/groundwater/wp-json/wp/v2/pages/2507/" /groundwater/wp-json/wp/v2/pages/2507//></groundwater/wp-json/wp/v2/pages/2507//a><figcaption class=/groundwater/wp-json/wp/v2/pages/2507/"caption sm-line/groundwater/wp-json/wp/v2/pages/2507/">/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t<div class=/groundwater/wp-json/wp/v2/pages/2507/"caption-icon/groundwater/wp-json/wp/v2/pages/2507/">/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t<img decoding=/groundwater/wp-json/wp/v2/pages/2507/"async/groundwater/wp-json/wp/v2/pages/2507/" src=/groundwater/wp-json/wp/v2/pages/2507/"https:/groundwater/wp-json/wp/v2/pages/2507///groundwater/wp-json/wp/v2/pages/2507//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/2507//groundwater/groundwater/wp-json/wp/v2/pages/2507//wp-content/groundwater/wp-json/wp/v2/pages/2507//themes/groundwater/wp-json/wp/v2/pages/2507//bgs/groundwater/wp-json/wp/v2/pages/2507//img/groundwater/wp-json/wp/v2/pages/2507//info-caption.svg/groundwater/wp-json/wp/v2/pages/2507/" alt=/groundwater/wp-json/wp/v2/pages/2507/"Information icon/groundwater/wp-json/wp/v2/pages/2507/">/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t</groundwater/wp-json/wp/v2/pages/2507//div>/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t<div class=/groundwater/wp-json/wp/v2/pages/2507/"caption-text/groundwater/wp-json/wp/v2/pages/2507/"><p>Outcrop of Lower Greensand Formation in Surrey. BGS /groundwater/wp-json/wp/v2/pages/2507/u00a9 UKRI.</groundwater/wp-json/wp/v2/pages/2507//p>/groundwater/wp-json/wp/v2/pages/2507/n</groundwater/wp-json/wp/v2/pages/2507//div>/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t<div class=/groundwater/wp-json/wp/v2/pages/2507/"expand-box expand-box-top/groundwater/wp-json/wp/v2/pages/2507/"><a href=/groundwater/wp-json/wp/v2/pages/2507/"https:/groundwater/wp-json/wp/v2/pages/2507///groundwater/wp-json/wp/v2/pages/2507//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/2507//groundwater/groundwater/wp-json/wp/v2/pages/2507//wp-content/groundwater/wp-json/wp/v2/pages/2507//uploads/groundwater/wp-json/wp/v2/pages/2507//sites/groundwater/wp-json/wp/v2/pages/2507//4/groundwater/wp-json/wp/v2/pages/2507//2025/groundwater/wp-json/wp/v2/pages/2507//10/groundwater/wp-json/wp/v2/pages/2507//P209857.jpg/groundwater/wp-json/wp/v2/pages/2507/" ><img decoding=/groundwater/wp-json/wp/v2/pages/2507/"async/groundwater/wp-json/wp/v2/pages/2507/" src=/groundwater/wp-json/wp/v2/pages/2507/"https:/groundwater/wp-json/wp/v2/pages/2507///groundwater/wp-json/wp/v2/pages/2507//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/2507//groundwater/groundwater/wp-json/wp/v2/pages/2507//wp-content/groundwater/wp-json/wp/v2/pages/2507//themes/groundwater/wp-json/wp/v2/pages/2507//bgs/groundwater/wp-json/wp/v2/pages/2507//img/groundwater/wp-json/wp/v2/pages/2507//expand.svg/groundwater/wp-json/wp/v2/pages/2507/" alt=/groundwater/wp-json/wp/v2/pages/2507/"Expand icon/groundwater/wp-json/wp/v2/pages/2507/"></groundwater/wp-json/wp/v2/pages/2507//a></groundwater/wp-json/wp/v2/pages/2507//div>/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t</groundwater/wp-json/wp/v2/pages/2507//figcaption></groundwater/wp-json/wp/v2/pages/2507//figure></groundwater/wp-json/wp/v2/pages/2507//div></groundwater/wp-json/wp/v2/pages/2507//div></groundwater/wp-json/wp/v2/pages/2507//div></groundwater/wp-json/wp/v2/pages/2507//section>/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/n<section class=/groundwater/wp-json/wp/v2/pages/2507/"cta-section  sea-background-e /groundwater/wp-json/wp/v2/pages/2507/">/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/t<div class=/groundwater/wp-json/wp/v2/pages/2507/"container/groundwater/wp-json/wp/v2/pages/2507/">/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t<div class=/groundwater/wp-json/wp/v2/pages/2507/"row md-row/groundwater/wp-json/wp/v2/pages/2507/">/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t<div class=/groundwater/wp-json/wp/v2/pages/2507/"col-12/groundwater/wp-json/wp/v2/pages/2507/">/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t<h2>Need more information?</groundwater/wp-json/wp/v2/pages/2507//h2>/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t<div class=/groundwater/wp-json/wp/v2/pages/2507/"btn-wrap/groundwater/wp-json/wp/v2/pages/2507/"><a href=/groundwater/wp-json/wp/v2/pages/2507/"mailto:enquiries@bgs.ac.uk/groundwater/wp-json/wp/v2/pages/2507/"  class=/groundwater/wp-json/wp/v2/pages/2507/"button primary-background   /groundwater/wp-json/wp/v2/pages/2507/">Contact BGS Enquiries</groundwater/wp-json/wp/v2/pages/2507//a></groundwater/wp-json/wp/v2/pages/2507//div>/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t</groundwater/wp-json/wp/v2/pages/2507//div>/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/t/groundwater/wp-json/wp/v2/pages/2507/t</groundwater/wp-json/wp/v2/pages/2507//div>/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/t</groundwater/wp-json/wp/v2/pages/2507//div>/groundwater/wp-json/wp/v2/pages/2507/n</groundwater/wp-json/wp/v2/pages/2507//section>/groundwater/wp-json/wp/v2/pages/2507/n/groundwater/wp-json/wp/v2/pages/2507/t","protected":false},"excerpt":{"rendered":"<p>Measuring groundwater quality to support assessment of the risks to groundwater from onshore oil and gas activities.</groundwater/wp-json/wp/v2/pages/2507//p>/groundwater/wp-json/wp/v2/pages/2507/n","protected":false},"author":6,"featured_media":5708,"parent":62,"menu_order":4,"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-2507","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:/groundwater/wp-json/wp/v2/pages/2507///groundwater/wp-json/wp/v2/pages/2507//yoast.com/groundwater/wp-json/wp/v2/pages/2507//product/groundwater/wp-json/wp/v2/pages/2507//yoast-seo-wordpress/groundwater/wp-json/wp/v2/pages/2507// -->/groundwater/wp-json/wp/v2/pages/2507/n<title>Onshore oil and gas risks to groundwater - BGS Groundwater</groundwater/wp-json/wp/v2/pages/2507//title>/groundwater/wp-json/wp/v2/pages/2507/n<meta name=/groundwater/wp-json/wp/v2/pages/2507/"description/groundwater/wp-json/wp/v2/pages/2507/" content=/groundwater/wp-json/wp/v2/pages/2507/"BGS and the Environment Agency are collaborating in a project to characterise groundwater quality to support assessment of the risks to groundwater in England./groundwater/wp-json/wp/v2/pages/2507/" /groundwater/wp-json/wp/v2/pages/2507//>/groundwater/wp-json/wp/v2/pages/2507/n<meta name=/groundwater/wp-json/wp/v2/pages/2507/"robots/groundwater/wp-json/wp/v2/pages/2507/" 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characterise groundwater quality to support assessment of the risks to groundwater in England./groundwater/wp-json/wp/v2/pages/2507/" /groundwater/wp-json/wp/v2/pages/2507//>/groundwater/wp-json/wp/v2/pages/2507/n<meta property=/groundwater/wp-json/wp/v2/pages/2507/"og:url/groundwater/wp-json/wp/v2/pages/2507/" content=/groundwater/wp-json/wp/v2/pages/2507/"https:/groundwater/wp-json/wp/v2/pages/2507///groundwater/wp-json/wp/v2/pages/2507//www.bgs.ac.uk/groundwater/wp-json/wp/v2/pages/2507//groundwater/groundwater/wp-json/wp/v2/pages/2507//energy/groundwater/wp-json/wp/v2/pages/2507//shale-gas-and-groundwater/groundwater/wp-json/wp/v2/pages/2507//onshore-oil-gas-risks-to-groundwater/groundwater/wp-json/wp/v2/pages/2507///groundwater/wp-json/wp/v2/pages/2507/" /groundwater/wp-json/wp/v2/pages/2507//>/groundwater/wp-json/wp/v2/pages/2507/n<meta property=/groundwater/wp-json/wp/v2/pages/2507/"og:site_name/groundwater/wp-json/wp/v2/pages/2507/" 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