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Clarksburg, WV Radon Levels

Check local Clarksburg radon levels and find certified testing and mitigation professionals to keep your home safe


Clarksburg, WV Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)
County Harrison County, WV
Zip Code 26301
Avg. User Level 5.00 pCi/L
User Tests 1

Home testing in Clarksburg, Harrison County, has recorded 5.0 pCi/L—slightly above the EPA's recommended action level of 4.0. The Appalachian geology underlying this West Virginia community creates conditions where radon can accumulate, particularly in the basement foundations common throughout zip code 26301, making testing and potential mitigation important for local residents.

5.00
pCi/L average
Above EPA Action Level

Based on 1 user-submitted radon test for homes in Clarksburg, WV. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Clarksburg, WV Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

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Clarksburg, WV Radon Levels

User-submitted radon test readings from homes in the Clarksburg area.

Radon LevelCityHome AgeFoundation
5 pCi/L Clarksburg, WV 21-50 Years Full Basement

Have a radon test result for Clarksburg? Submit your reading to help other homeowners.

Radon FAQ for Clarksburg, WV

What is the average radon level in Clarksburg, WV?
Based on 1 user-submitted test, the average radon level in Clarksburg is 5.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.
What EPA Radon Zone is Clarksburg in?
Clarksburg and the 26301 zip code are in Harrison County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.
How much does radon mitigation cost in Clarksburg?
Radon mitigation in Clarksburg typically costs between $800 and $2,000. Most homes with standard basements can be mitigated with a sub-slab depressurization system in the $1,000–$1,500 range. Factors that can increase cost include complex foundations, crawl spaces, or very high radon levels.
Should I test for radon if I'm buying a home in Clarksburg?
Yes. Radon testing should be part of every home purchase. A short-term radon test is typically included as part of the home inspection process and costs $150–$250. If elevated levels are found, you can negotiate mitigation as part of the sale.

Most Active Radon Markets in West Virginia

Cities in West Virginia with the most user-submitted radon test data, ranked by number of submissions.

CityAvg User Radon LevelSubmissions
Charles Town 8.10 pCi/L 10
Berkeley Springs 7.70 pCi/L 10
Martinsburg 16.00 pCi/L 8
Harpers Ferry 6.57 pCi/L 7
Ridgeley 9.00 pCi/L 5
Shepherdstown 6.25 pCi/L 4
Kearneysville 5.50 pCi/L 2
Ranson 14.00 pCi/L 1
Morgantown 5.00 pCi/L 1
Charleston 3.00 pCi/L 1