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West Virginia Radon Map and Levels by County

West Virginia's counties span all three EPA radon zones. Homes with elevated levels occur in all three zones, so only a test measures yours.

Data checked By Radon411Methodology

Predicted
20 of 55counties in Zone 1, EPA's highest radon zone
Measured
By countyCDC publishes West Virginia's test figures by county: 55 of 55 counties have one.
Your home
Test to knowNo area figure here is a reading of your home.
How to test this homeFind a certified tester

The data

West Virginia, At a glance

West Virginia at a glance

Predicted: EPA radon zone

55 of 55 counties classified

EPA classifies counties, not states. Of the 55 counties in West Virginia with a zone, 20 are in Zone 1, 29 in Zone 2 and 6 in Zone 3.

  • Zone 1: Highest predicted potentialgreater than 4 pCi/L20 of 55 counties · 36.4%
  • Zone 2: Moderate predicted potential2 to 4 pCi/L29 of 55 counties · 52.7%
  • Zone 3: Lower predicted potentialless than 2 pCi/L6 of 55 counties · 10.9%

An EPA radon zone describes predicted potential across a whole county. It is not intended to determine whether any individual home should be tested, and homes with elevated levels occur in all three zones. EPA recommends testing every home regardless of zone, and testing is the only way to know the radon level in a specific building.

Predicted: EPA Map of Radon Zones

Measured: tests reported to CDC

CDC test figures, county by county

CDC publishes West Virginia's radon test figures by county: 55 of its 55 counties have one. Each one's share is in the county list.

West Virginia, Counties

West Virginia counties by EPA zone

Predicted

West Virginia's radon map, then all 55 counties by the zone EPA predicts for each, highest reported share of tests at or above 4 pCi/L first. Each has its own report.

West Virginia radon map by county: EPA radon zones. Map of West Virginia's 55 counties shaded by EPA radon zone: Zone 1 in red-orange, Zone 2 in amber, Zone 3 in pale sand. 20 in Zone 1, 29 in Zone 2, 6 in Zone 3.
West Virginia radon map by countyEPA radon zones for West Virginia's counties: 20 counties in Zone 1, 29 counties in Zone 2, 6 counties in Zone 3.Predicted potential for each county, not a reading of any home. Homes with elevated levels of radon have been found in all three zones.

Zone 1: highest predicted potential20

Local help

West Virginia, Local resources

Local resources in West Virginia

Who to ask in West Virginia: its radon program, test kits and professionals.

What West Virginia's program says
Phone
304-352-5039
Email
Radon@wv.gov
Licensing of radon professionals
Complete listings of professionals licensed to perform Asbestos, Lead, Radon and Clandestine Drug Laboratory Remediation activities in West Virginia.

Radon Action Brief

National Radon Action MonthPre-sale

The radon brief for your West Virginia county, in one dated file.

  • Your area's radon record, explained.
  • Your plan to test this week.
  • Fix costs and pros near you.

Save 64%Sale price: $8.99Price after the sale: $25Ends Jan 31Then $25

Get your West Virginia county's BriefSee a free sample

Area data, not a test of the building.

What it means

West Virginia, Questions

Questions about radon in West Virginia

Common questions

9 questions, answered from the figures above

Is radon a problem in West Virginia?

EPA's Map of Radon Zones places 20 of the 55 West Virginia counties it classifies in Zone 1, the highest predicted potential, 29 in Zone 2 and 6 in Zone 3. An EPA radon zone describes predicted potential across a whole county. It is not intended to determine whether any individual home should be tested, and homes with elevated levels occur in all three zones. EPA recommends testing every home regardless of zone, and testing is the only way to know the radon level in a specific building.

West Virginia on the radon mapRadon levels by state

How do I get a radon test in West Virginia?

EPA says you can test your home yourself or hire a qualified radon test company, and that either approach takes only a small amount of time and effort. The West Virginia radon program is the place to ask about certified testers and any test kit offer it runs.

How to test a homeFree and low-cost kits by stateWest Virginia radon program

Who does radon mitigation in West Virginia?

Radon411's West Virginia directory lists 35 radon businesses for testing, mitigation or both, each with the licensing list it was read from. EPA recommends having a qualified contractor fix a home with a radon problem, because lowering high radon levels takes technical knowledge and special skills, and some states require the work to be done by a licensed or certified professional.

How radon mitigation worksWhat mitigation costsRadon professionals in West Virginia

Which West Virginia counties are in EPA radon Zone 1?

20 counties are in Zone 1: Berkeley County, Brooke County, Grant County, Greenbrier County, Hampshire County, Hancock County, Hardy County, Jefferson County, and 12 more in the county table on this page. Zone 1 is EPA's class for highest predicted potential, a predicted average indoor screening level greater than 4 pCi/L. A zone is a prediction for a county, not a measurement of any home.

Radon in Berkeley CountyRadon in Brooke CountyRadon in Grant County

Which West Virginia counties have the highest radon?

55 of West Virginia's 55 counties have an EPA radon zone published here. Radon411 will not rank counties on data it does not hold, and a zone is a prediction for an area rather than a measurement of any building.

What share of radon tests in West Virginia are high?

CDC has published no statewide radon testing statistics for West Virginia, so we cannot give a figure. Where CDC does publish one, the percentage describes radon tests reported to CDC, not homes.

Which EPA region is West Virginia in?

West Virginia is in EPA Region 3: Mid-Atlantic.

Do I need to test my home in West Virginia?

Yes, wherever you live in the state. Testing is the only way to know the radon level in a specific building. EPA recommends fixing a home when the radon level is 4 pCi/L or higher. EPA recommends considering a fix when the level is between 2 and 4 pCi/L.

Why does this page show coverage rather than one radon level for West Virginia?

A statewide figure averages counties with very different geology and very different numbers of reported tests, so it hides more than it shows. The county report is the level at which the EPA zone, the geologic potential and the reported testing statistics are actually published, which is why the county table above links to every one of them.

If you own, buy, sell or rent

What these figures mean for each reader, with the guide that covers it

The zone counts on this page describe counties across West Virginia. They are predictions for areas, and none of them measures your building.

West Virginia in figures

The figures above, said in words

What the published data says about West Virginia, in words. A zone and a share of tests describe an area, never the level in any one home.

    • Predicted

      Predicted

      EPA places 20 of West Virginia's 55 counties in Zone 1, 29 in Zone 2 and 6 in Zone 3.

      Zone 1 counties, A to Z, begin with Berkeley County, Brooke County and Grant County; the county section below lists all 20.

    • Compared

      Calculated by Radon411

      36% of West Virginia's counties with a zone on file are in Zone 1, a larger share than across all U.S. counties (34%). It is a share of counties, not of land, people or homes.

  • Reported tests

    Measured

    CDC has no statewide testing figure for West Virginia on file here.

    55 of the 55 counties have a published county figure; the most tests in each one's latest year were reported for Berkeley County (2,888 tests over 2008 to 2017, laboratory), Monongalia County (1,176 tests over 2008 to 2017, laboratory) and Wood County (905 tests over 2008 to 2017, laboratory).

West Virginia's radon program is the OEHS Radon Program, run by WV DHHR OEHS Radiation, Toxics & Indoor Air Division; its contacts are under Local resources.

Products

West Virginia, Products

Testing and mitigation products

Whatever the figures for West Virginia show, only a test tells you about one home.

Test kits and monitors42

See all products

As an Amazon Associate, Radon411 earns from qualifying purchases.

Best radon monitors for West Virginia homes, compared

Testing

5

Mitigation

3

Explore

West Virginia, Next steps

What to do next

  1. LearnKnow what radon isWhat radon is, how it gets indoors, and why a county zone is not a reading for your home.Learn about radon
  2. TestTest the building you live inShort-term or long-term, where the device goes, and closed-house conditions.How to test
  3. FixBring a high level downHow a mitigation system works, and the retest that confirms it.How mitigation works
  4. Find a proHire a certified professionalMeasurement and mitigation professionals by state, with their certifications.Find a professional

Informational. Follow EPA guidance. EPA says all radon tests should be taken for a minimum of 48 hours, with windows and doors closed from 12 hours before a short-term test.