{"id":99,"date":"2016-01-29T15:14:56","date_gmt":"2016-01-29T15:14:56","guid":{"rendered":"https:\/\/www.vdh.virginia.gov\/radiological-health\/?page_id=99"},"modified":"2026-10-09T17:32:53","modified_gmt":"2026-10-09T17:32:53","slug":"radon-risk-maps-for-virginia","status":"publish","type":"page","link":"https:\/\/www.vdh.virginia.gov\/radiological-health\/indoor-radon-program\/radon-risk-maps-for-virginia\/","title":{"rendered":"Radon Risk Maps for Virginia"},"content":{"rendered":"<figure id=\"attachment_1513\" aria-describedby=\"caption-attachment-1513\" style=\"width: 640px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.vdh.virginia.gov\/content\/uploads\/sites\/7\/2018\/05\/VA-USEPA-risk-map.jpg\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1513 size-large\" src=\"https:\/\/www.vdh.virginia.gov\/content\/uploads\/sites\/7\/2018\/05\/VA-USEPA-risk-map-1024x791.jpg\" alt=\"Virginia's radon risk map developed by the E.P.A. in 1993.\" width=\"640\" height=\"494\" srcset=\"https:\/\/www.vdh.virginia.gov\/content\/uploads\/sites\/7\/2018\/05\/VA-USEPA-risk-map-1024x791.jpg 1024w, https:\/\/www.vdh.virginia.gov\/content\/uploads\/sites\/7\/2018\/05\/VA-USEPA-risk-map-300x232.jpg 300w, https:\/\/www.vdh.virginia.gov\/content\/uploads\/sites\/7\/2018\/05\/VA-USEPA-risk-map-768x593.jpg 768w, https:\/\/www.vdh.virginia.gov\/content\/uploads\/sites\/7\/2018\/05\/VA-USEPA-risk-map.jpg 1069w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><figcaption id=\"caption-attachment-1513\" class=\"wp-caption-text\">Virginia&#8217;s radon risk map developed by the E.P.A. in 1993.<\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<hr \/>\n<p><strong>DISCLAIMER:<\/strong><\/p>\n<p>EPA produced a national radon risk map in 1994. The Virginia map shown above was part of this effort. \u00a0The map was based on a very limited number of radon test results, existing knowledge of surface geological features\/layers and measurements of background radiation. EPA currently has no plans to revise this map. This map was never intended to be used for predictive purposes, but only to provide a rough estimate of the chances of encountering high indoor radon levels in a particular jurisdiction.<\/p>\n<p>To view a radon map displaying risk based on actual testing data, click this link:\u00a0<a href=\"https:\/\/www.vdh.virginia.gov\/environmental-public-health-tracking\/radon\/radon-testing-results\/\" target=\"_blank\" rel=\"noopener\">VDH Radon Risk Map<\/a> .\u00a0 This map was developed using test results reported to VDH&#8217;s Radon Program from 2016-2024.<\/p>\n<h4><strong>The only way to know if a particular home has a radon problem is to test for it. EPA &amp; VDH recommend that <u>all<\/u> homes be tested for radon \u2013 especially those being purchased.<\/strong><\/h4>\n<p>Generally in Virginia, the closer you get to the ocean the lower the odds of encountering high radon levels, but this is not a guarantee that high radon levels will never be found in these areas. High radon test results have been found in <em>every <\/em>Virginia County \u2013 including all of those designated as \u201clow risk\u201d.\u00a0 High radon levels in these areas may result when homes are built over small Uranium deposits, non-native fill material or when the foundation is cut into valleys or hillsides where they may encounter deeper geologic layers that are high in radon source material.<\/p>\n<ul>\n<li>Many homes built in the Williamsburg area at low elevations and\/or cut into river valleys have shown high radon test results. See this article for more details: <a href=\"https:\/\/www.wm.edu\/news\/stories\/2022\/a-new,-fine-grained-map-shows-radon-gas-risk-zones-in-williamsburg.php\">William &amp; Mary radon study<\/a><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; DISCLAIMER: EPA produced a national radon risk map in 1994. The Virginia map shown above was part of this effort. \u00a0The map was based on a very limited number of radon test results, existing knowledge of surface geological features\/layers and measurements of background radiation. EPA currently has no plans to revise this map. This [&hellip;]<\/p>\n","protected":false},"author":729,"featured_media":0,"parent":74,"menu_order":4,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_lmt_disableupdate":"no","_lmt_disable":"","footnotes":""},"tags":[],"class_list":["post-99","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Radon Risk Maps for Virginia - Radiological Health<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.vdh.virginia.gov\/radiological-health\/indoor-radon-program\/radon-risk-maps-for-virginia\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Radon Risk Maps for Virginia - Radiological Health\" \/>\n<meta property=\"og:description\" content=\"&nbsp; DISCLAIMER: EPA produced a national radon risk map in 1994. 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