{"id":151,"date":"2023-11-23T12:33:01","date_gmt":"2023-11-23T12:33:01","guid":{"rendered":"https:\/\/www.bgs.ac.uk\/groundwater\/data\/groundwater-levels\/wetwang\/"},"modified":"2025-12-17T13:42:00","modified_gmt":"2025-12-17T13:42:00","slug":"wetwang","status":"publish","type":"page","link":"https:\/\/www.bgs.ac.uk\/groundwater\/data\/groundwater-levels\/wetwang\/","title":{"rendered":"Wetwang"},"content":{"rendered":"\t\t\t<section class=\"hero-section hero-section-with-social\">\n\t\t\t\t\t\t\t\t<div class=\"hero-info-wrap\">\n\t\t\t\t\t<div class=\"container\">\n\t\t\t\t\t\t<div class=\"row\">\n\t\t\t\t\t\t\t<div class=\"col-12\">\n\t\t\t\t\t\t\t\t<div class=\"hero-info\">\n\t\t\t\t\t\t\t\t\t<h1>Wetwang<\/h1>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n\t\t\t<div class=\"social-wrap social-wrap-inline-them\">\n\t\t\t\t<div class=\"sea-background-f\">\n\t\t\t\t\t<span>Share this article<\/span><a target=\"_blank\"  href=\"https:\/\/www.facebook.com\/sharer\/sharer.php?u=https:\/\/www.bgs.ac.uk\/groundwater\/data\/groundwater-levels\/wetwang\/\"><span class=\"icon-facebook\"><span class=\"hidden\">Facebook<\/span><\/span><\/a><a target=\"_blank\"  href=\"https:\/\/twitter.com\/intent\/tweet?text=Wetwang&#038;url=https:\/\/www.bgs.ac.uk\/groundwater\/data\/groundwater-levels\/wetwang\/\"><span class=\"icon-twitter\"><span class=\"hidden\">Twitter<\/span><\/span><\/a><a   onclick=\"javascript:void( (function() {var e=document.createElement('script' );e.setAttribute('type','text\/javascript' );e.setAttribute('charset','UTF-8' );e.setAttribute('src','\/\/assets.pinterest.com\/js\/pinmarklet.js?r='+Math.random()*99999999);document.body.appendChild(e)})());\"  href=\"javascript:void(0);\"><span class=\"icon-pinterest\"><span class=\"hidden\">Pinterest<\/span><\/span><\/a><a target=\"_blank\"  href=\"https:\/\/wa.me?text=https:\/\/www.bgs.ac.uk\/groundwater\/data\/groundwater-levels\/wetwang\/\"><span class=\"icon-whatsapp\"><span class=\"hidden\">WhatsApp<\/span><\/span><\/a><a   href=\"mailto:?subject=Wetwang&#038;body=%20(https:\/\/www.bgs.ac.uk\/groundwater\/data\/groundwater-levels\/wetwang\/)\"><span class=\"icon-mail\"><span class=\"hidden\">Email<\/span><\/span><\/a><a href=\"#\" data-copy=\"https:\/\/www.bgs.ac.uk\/groundwater\/data\/groundwater-levels\/wetwang\/\" class=\"copy-url-on-click\"><span class=\"icon-link\"><span class=\"hidden\">Copy Link<\/span><\/span><\/a><\/div><\/div>\t\t\t\t\t\t\t<\/section>\n\t\t\t\n\n\n<section class=\"wp-block-bgs-blocks-content-container content-section\"><div class=\"container\"><div class=\"row\"><div class=\"col-12\">\n<p>The Wetwang borehole was drilled into the chalk aquifer at Wetwang, Yorkshire, in north-east England. <\/p>\n\n\n\n<p>Our&nbsp;<a href=\"https:\/\/www.bgs.ac.uk\/about-bgs\/contact-us\/\">enquiries service<\/a>&nbsp;can help you to access groundwater level data for this well.<\/p>\n\n\n<figure  class=\"img-wrap\"><img decoding=\"async\" src=\"https:\/\/www.bgs.ac.uk\/groundwater\/wp-content\/uploads\/sites\/4\/2023\/12\/Wetwang-RedSpot-150x150.jpg\" class=\"lazy-blur\" alt=\"Location of Wetwang. BGS \u00a9 UKRI.\" data-src=\"https:\/\/www.bgs.ac.uk\/groundwater\/wp-content\/uploads\/sites\/4\/2023\/12\/Wetwang-RedSpot.jpg\" \/><figcaption class=\"caption sm-line\">\n\t\t\t\t\t<div class=\"caption-icon\">\n\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.bgs.ac.uk\/groundwater\/wp-content\/themes\/bgs\/img\/info-caption.svg\" alt=\"Information icon\">\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"caption-text\"><p>Location of Wetwang. BGS \u00a9 UKRI.<\/p>\n<\/div>\n\t\t\t\t\t\n\t\t\t\t<\/figcaption><\/figure>\n\n\n<h2 class=\"wp-block-heading\">Hydrograph<\/h2>\n\n\n\n<p>The groundwater level for Wetwang starts in 1971.<\/p>\n\n\n\n<figure class=\"img-central\">\n  <img decoding=\"async\" src=\"https:\/\/resources.bgs.ac.uk\/groundwater\/hydrographs\/bgsfigs\/Wetwang-allyears.webp\" loading=\"lazy\" class=\"img-fluid\" alt=\"\"> \n<figcaption>\n        Groundwater level timeseries over the full observational record for Wetwang. National Groundwater Level Archive, \u00a9 UKRI \u2013 BGS\n    <\/figcaption>\n<\/figure>\n\n<figure class=\"img-central\">\n  <img decoding=\"async\" src=\"https:\/\/resources.bgs.ac.uk\/groundwater\/hydrographs\/bgsfigs\/Wetwang-recentyears.webp\" loading=\"lazy\" class=\"img-fluid\" alt=\"\"> \n<figcaption>\n        Groundwater level timeseries for the last 5 years of available data for  Wetwang. National Groundwater Level Archive, \u00a9 UKRI \u2013 BGS\n    <\/figcaption>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Information about the well<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Hydrogeological setting<\/h3>\n\n\n\n<p>This borehole measures water level in the Yorkshire Chalk.<\/p>\n\n\n\t\t\t<div id=\"wysiwyg-2546-block_ff326a323f8107243518f8139799474e\" class=\"  \" >\n\t\t\t<div class=\"col-12 responsive-table\"><table>\n<tbody>\n<tr>\n<th style=\"width: 99.6575%;height: 23px;background-color: #002e40\" colspan=\"2\"><span style=\"color: #ffffff\">Wetwang<\/span><\/th>\n<\/tr>\n<tr>\n<td><strong>Wellmaster ID<\/strong><\/td>\n<td>SE95\/6<\/td>\n<\/tr>\n<tr>\n<td><strong>NGR<\/strong><\/td>\n<td>4957 4593<\/td>\n<\/tr>\n<tr>\n<td><strong>Datum<\/strong><\/td>\n<td>42.28\u00a0m AOD<\/td>\n<\/tr>\n<tr>\n<th style=\"width: 99.6575%;height: 23px;background-color: #002e40\" colspan=\"2\"><span style=\"color: #ffffff\">Monitoring details<\/span><\/th>\n<\/tr>\n<tr>\n<td><strong>Type<\/strong><\/td>\n<td>Groundwater Level<\/td>\n<\/tr>\n<tr>\n<td><strong>Aquifer<\/strong><\/td>\n<td>Chalk<\/td>\n<\/tr>\n<tr>\n<td><strong>Confinement<\/strong><\/td>\n<td>Unconfined<\/td>\n<\/tr>\n<tr>\n<td><strong>Depth<\/strong><\/td>\n<td>45.72 m<\/td>\n<\/tr>\n<tr>\n<th style=\"width: 99.6575%;height: 23px;background-color: #002e40\" colspan=\"2\"><span style=\"color: #ffffff\">Record<\/span><\/th>\n<\/tr>\n<tr>\n<td><strong>Monitored by<\/strong><\/td>\n<td>E A North East<\/td>\n<\/tr>\n<tr>\n<td><strong>Records commence<\/strong><\/td>\n<td>1971<\/td>\n<\/tr>\n<tr>\n<td><strong>Records end<\/strong><\/td>\n<td>Active<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n\t\t\t<\/div>\n\t\t\t\n\n\n<p>It is drilled into the <a href=\"https:\/\/webapps.bgs.ac.uk\/lexicon\/lexicon.cfm?pub=FCK\">Flamborough Chalk Formation<\/a> of the <a href=\"https:\/\/webapps.bgs.ac.uk\/lexicon\/lexicon.cfm?pub=CK\">Chalk Group<\/a> and is overlain by 4.1&nbsp;m of head deposits. The borehole log identifies &#8216;Upper Chalk&#8217; and &#8216;Middle Chalk&#8217;, without putting a depth on the boundary between them.<\/p>\n\n\n\n<p>The aquifer is unconfined.<\/p>\n\n\n<figure  class=\"img-wrap\"><a href=\"https:\/\/www.bgs.ac.uk\/groundwater\/wp-content\/uploads\/sites\/4\/2023\/12\/wetwang-large-geology-1.webp\" data-toggle=\"lightbox\" data-footer=\"&lt;p&gt;Geological map of the area around Wetwang. BGS \u00a9 UKRI.&lt;\/p&gt;\n\" data-gallery=\"gallery_38331\"><img decoding=\"async\" src=\"https:\/\/www.bgs.ac.uk\/groundwater\/wp-content\/uploads\/sites\/4\/2023\/12\/wetwang-large-geology-1-150x150.webp\" class=\"lazy-blur\" alt=\"Geological map of the area around Wetwang. BGS \u00a9 UKRI.\" data-src=\"https:\/\/www.bgs.ac.uk\/groundwater\/wp-content\/uploads\/sites\/4\/2023\/12\/wetwang-large-geology-1-300x232.webp\" \/><\/a><figcaption class=\"caption sm-line\">\n\t\t\t\t\t<div class=\"caption-icon\">\n\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.bgs.ac.uk\/groundwater\/wp-content\/themes\/bgs\/img\/info-caption.svg\" alt=\"Information icon\">\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"caption-text\"><p>Geological map of the area around Wetwang. BGS \u00a9 UKRI.<\/p>\n<\/div>\n\t\t\t\t\t<div class=\"expand-box expand-box-top\"><a href=\"https:\/\/www.bgs.ac.uk\/groundwater\/wp-content\/uploads\/sites\/4\/2023\/12\/wetwang-large-geology-1.webp\" ><img decoding=\"async\" src=\"https:\/\/www.bgs.ac.uk\/groundwater\/wp-content\/themes\/bgs\/img\/expand.svg\" alt=\"Expand icon\"><\/a><\/div>\n\t\t\t\t<\/figcaption><\/figure>\n\n\n<h3 class=\"wp-block-heading\">Well or borehole construction<\/h3>\n\n\n\n<p>The well consists of a 152&nbsp;mm-diameter borehole, reducing to 101&nbsp;mm, which is 37.49&nbsp;m deep. The borehole was originally drilled to 45.72&nbsp;m but caved in. It is lined to 7.6&nbsp;m.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Hydrograph response<\/h3>\n\n\n\n<p>The hydrograph has an annual sinusoidal pattern, with some response to winter rainfall episodes.<\/p>\n\n\n\n<p>The water levels in this well usually fluctuate by about 10&nbsp;m over the course of a year, but these fluctuations have exceeded 15&nbsp;m at times. The borehole recesses to a base level of just below 20&nbsp;m AOD in most years. This is well above the borehole bottom, suggesting the presence of a geological control on water level.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Topography<\/h2>\n\n\n<figure  class=\"img-wrap\"><img decoding=\"async\" src=\"https:\/\/www.bgs.ac.uk\/groundwater\/wp-content\/uploads\/sites\/4\/2023\/12\/hillshade-map-wetwang-150x150.webp\" class=\"lazy-blur\" alt=\"Topographic map with hillshade of the area around the Wetwang borehole. BGS \u00a9 UKRI.\" data-src=\"https:\/\/www.bgs.ac.uk\/groundwater\/wp-content\/uploads\/sites\/4\/2023\/12\/hillshade-map-wetwang-300x201.webp\" \/><figcaption class=\"caption sm-line\">\n\t\t\t\t\t<div class=\"caption-icon\">\n\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.bgs.ac.uk\/groundwater\/wp-content\/themes\/bgs\/img\/info-caption.svg\" alt=\"Information icon\">\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"caption-text\"><p>Topographical map with hillshade of the area around the Wetwang borehole. BGS \u00a9 UKRI.<\/p>\n<\/div>\n\t\t\t\t\t\n\t\t\t\t<\/figcaption><\/figure>\n\n\n<h2 class=\"wp-block-heading\">Acknowledgements<\/h2>\n\n\n\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.<\/p>\n\n\n\n<p>Further information about these monitoring networks can be found on these pages:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/timeseriesdoc.sepa.org.uk\/\" target=\"_blank\" rel=\"noreferrer noopener\">Scotland<\/a>&nbsp;(SEPA)<\/li>\n\n\n\n<li><a href=\"https:\/\/environment.data.gov.uk\/hydrology\/landing\" target=\"_blank\" rel=\"noreferrer noopener\">England<\/a>&nbsp;(Defra)&nbsp;<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Contact<\/h2>\n\n\n\n<p>Please&nbsp;<a href=\"https:\/\/www.bgs.ac.uk\/about-bgs\/contact-us\/\">contact BGS Enquiries<\/a>&nbsp;for further information.<\/p>\n<\/div><\/div><\/div><\/section>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":3,"featured_media":0,"parent":30,"menu_order":6,"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-151","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Wetwang - BGS Groundwater<\/title>\n<meta name=\"description\" content=\"The Wetwang borehole was drilled into the Chalk of Yorkshire. 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