Monona, IA Radon Mitigation and Testing

Q: What EPA Radon Zone is Monona in?

Monona is in Clayton County, EPA Zone 1.

Q: How much does radon mitigation cost in Monona?

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

Clayton County

EPA Zone 1

Nestled in Clayton County along Iowa's eastern border, Monona sits on the state's characteristic limestone and dolomite bedrock formations that frequently contribute to elevated radon concentrations. With testing data currently unavailable for the 52159 area, residents should prioritize radon measurement as part of responsible home ownership. Iowa's geology, combined with the region's traditional full-basement construction style, creates underground spaces where radon can readily accumulate to concerning levels.

Monona, IA Radon Mitigation

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

Monona, IA Radon Testing

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

Monona Radon Facts

Key details about the radon risk profile for Monona and the 52159 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Clayton County, IA

Zip Code

52159

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Monona and the 52159 zip code are located in Clayton 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 Monona, IA

What EPA Radon Zone is Monona in?

Monona and the 52159 zip code are in Clayton 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 Monona?

Radon mitigation in Monona 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 Monona?

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 Iowa

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

City	Avg User Radon Level	Submissions
Waterloo	8.50 pCi/L	4
Ames	9.67 pCi/L	3
Fairfield	14.00 pCi/L	2
Mount Pleasant	12.00 pCi/L	2
Ottumwa	5.50 pCi/L	2
Iowa City	7.00 pCi/L	1
Muscatine	No submissions	0