Clifton, KS Radon Mitigation and Testing

Q: What EPA Radon Zone is Clifton in?

Clifton is in Washington County, EPA Zone 1.

Q: How much does radon mitigation cost in Clifton?

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

Washington County

EPA Zone 1

Situated in rural Washington County in north-central Kansas, Clifton's agricultural setting features widely spaced properties with older farmhouses and newer residential construction. The area's chalk and limestone geology, typical of the High Plains region, can create variable radon conditions across different soil types and foundation styles. With limited testing data available for zip code 66937, residents should prioritize radon testing regardless of home age or foundation type.

Clifton, KS Radon Mitigation

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

Clifton, KS Radon Testing

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

Clifton Radon Facts

Key details about the radon risk profile for Clifton and the 66937 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Washington County, KS

Zip Code

66937

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Clifton and the 66937 zip code are located in Washington 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 Clifton, KS

What EPA Radon Zone is Clifton in?

Clifton and the 66937 zip code are in Washington 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 Clifton?

Radon mitigation in Clifton 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 Clifton?

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 Kansas

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

City	Avg User Radon Level	Submissions
Topeka	6.00 pCi/L	1
Overland Park	No submissions	0