Wathena, KS Radon Mitigation and Testing

Q: What EPA Radon Zone is Wathena in?

Wathena is in Doniphan County, EPA Zone 2.

Q: How much does radon mitigation cost in Wathena?

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

Doniphan County

EPA Zone 2

Located in Doniphan County along Kansas's Missouri River border, Wathena sits where river valley deposits meet glacial till geology. Testing data for zip code 66090 is currently limited, making professional radon assessment valuable for local homeowners. The area's river valley setting and diverse foundation types require individualized evaluation to understand radon risk.

Wathena, KS Radon Mitigation

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

Wathena, KS Radon Testing

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

Wathena Radon Facts

Key details about the radon risk profile for Wathena and the 66090 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Doniphan County, KS

Zip Code

66090

Predicted Screening Level

2–4 pCi/L (Zone 2)

Wathena and the 66090 zip code are located in Doniphan County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Wathena, KS

What EPA Radon Zone is Wathena in?

Wathena and the 66090 zip code are in Doniphan 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 Wathena?

Radon mitigation in Wathena 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 Wathena?

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