Williamson, WV Radon Levels
Check local Williamson radon levels and find certified testing and mitigation professionals to keep your home safe
Williamson, WV Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Mingo County, WV
Zip Code
25661
Tucked into Mingo County in southern West Virginia, Williamson sits amid Appalachian coal-bearing formations that can influence radon production. Current testing data for the 25661 area is insufficient, highlighting the importance of individual home testing. The region's complex geology, combining sedimentary layers with mining activities, creates unpredictable radon conditions requiring professional assessment.
Williamson, WV Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
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Radon FAQ for Williamson, WV
What EPA Radon Zone is Williamson in?
Williamson and the 25661 zip code are in Mingo 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 Williamson?
Radon mitigation in Williamson 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 Williamson?
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 |