Charleston, WV Radon Levels

Q: What is the average radon level in Charleston, WV?

Based on 1 user-submitted tests, the average radon level is 3.00 pCi/L.

Q: What EPA Radon Zone is Charleston in?

Charleston is in Kanawha County, EPA Zone 3.

Q: How much does radon mitigation cost in Charleston?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

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

Charleston, WV Radon Facts

EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)

County Kanawha County, WV

Zip Code 25301

Avg. User Level 3.00 pCi/L

User Tests 1

West Virginia's capital city in Kanawha County has documented radon levels averaging 3.0 pCi/L, which falls within the EPA's recommended range but still warrants continued monitoring. The city's location along the Kanawha River valley, combined with Appalachian geology featuring coal-bearing formations, creates moderate radon potential that can vary significantly by neighborhood. Regular testing remains important for Charleston residents, particularly those in older homes with stone or block foundations.

3.00

pCi/L average

Below EPA Action Level

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

4.0 EPA

10+

Charleston, WV Radon Mitigation

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Charleston, WV Radon Levels

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

Radon Level	City	Home Age	Foundation
3 pCi/L	Charleston, WV	21-50 Years	Full Basement

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

Radon FAQ for Charleston, WV

What is the average radon level in Charleston, WV?

Based on 1 user-submitted test, the average radon level in Charleston is 3.00 pCi/L. This is below the EPA's recommended action level of 4.0 pCi/L. However, we recommend all homes be tested regardless of your neighbor's results.

What EPA Radon Zone is Charleston in?

Charleston and the 25301 zip code are in Kanawha County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L.

How much does radon mitigation cost in Charleston?

Radon mitigation in Charleston 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 Charleston?

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.

City	Avg User Radon Level	Submissions
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

Charleston, WV Radon Levels

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

Charleston, WV Radon Facts

Charleston, WV Radon Mitigation

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Charleston, WV Radon Levels

Radon FAQ for Charleston, WV

Most Active Radon Markets in West Virginia

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