Delphos, KS Radon Mitigation and Testing

Q: What EPA Radon Zone is Delphos in?

Delphos is in Ottawa County, EPA Zone 1.

Q: How much does radon mitigation cost in Delphos?

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

Ottawa County

EPA Zone 1

Located in Ottawa County, Delphos sits on Kansas's High Plains where Cretaceous limestone and chalk formations underlie the prairie soils, creating potential for elevated radon levels. With testing data currently unavailable for the 67436 zip code area, homeowners cannot assess their risk through regional averages. Individual radon testing remains essential for residents to determine actual exposure levels in their specific properties.

Delphos, KS Radon Mitigation

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

Delphos, KS Radon Testing

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

Delphos Radon Facts

Key details about the radon risk profile for Delphos and the 67436 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Ottawa County, KS

Zip Code

67436

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Delphos and the 67436 zip code are located in Ottawa 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 Delphos, KS

What EPA Radon Zone is Delphos in?

Delphos and the 67436 zip code are in Ottawa 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 Delphos?

Radon mitigation in Delphos 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 Delphos?

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