Cass, WV Radon Mitigation and Testing

Q: What EPA Radon Zone is Cass in?

Cass is in Pocahontas County, EPA Zone 1.

Q: How much does radon mitigation cost in Cass?

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

Pocahontas County

EPA Zone 1

Deep in the Allegheny Mountains of Pocahontas County, Cass sits within West Virginia's high-radon Appalachian region where uranium-bearing shales and complex geology create elevated radon potential. Testing data for zip code 24927 remains limited, making professional radon testing particularly important given the regional geology.

Cass, WV Radon Mitigation

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

Cass, WV Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Cass Radon Facts

Key details about the radon risk profile for Cass and the 24927 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Pocahontas County, WV

Zip Code

24927

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Cass and the 24927 zip code are located in Pocahontas County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Cass, WV

What EPA Radon Zone is Cass in?

Cass and the 24927 zip code are in Pocahontas County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

How much does radon mitigation cost in Cass?

Radon mitigation in Cass 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 Cass?

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 with the most user-submitted radon test data in the state.

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