Monroe City, IN Radon Mitigation and Testing

Q: What EPA Radon Zone is Monroe City in?

Monroe City is in Knox County, EPA Zone 2.

Q: How much does radon mitigation cost in Monroe City?

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

Knox County

EPA Zone 2

This Knox County community (47557) sits on the geological formations common to southwestern Indiana, where Mississippian limestone and shale deposits can contribute to moderate radon potential. Testing data remains limited for Monroe City, making individual home assessments particularly valuable for residents to understand their specific radon exposure in this rural setting.

Monroe City, IN Radon Mitigation

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

Monroe City, IN Radon Testing

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

Monroe City Radon Facts

Key details about the radon risk profile for Monroe City and the 47557 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Knox County, IN

Zip Code

47557

Predicted Screening Level

2–4 pCi/L (Zone 2)

Monroe City and the 47557 zip code are located in Knox 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 Monroe City, IN

What EPA Radon Zone is Monroe City in?

Monroe City and the 47557 zip code are in Knox 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 Monroe City?

Radon mitigation in Monroe City 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 Monroe City?

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 Indiana

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

City	Avg User Radon Level	Submissions
Bloomington	8.14 pCi/L	7
Kokomo	7.40 pCi/L	5
Lafayette	15.00 pCi/L	3
Valparaiso	10.00 pCi/L	3
Avon	6.00 pCi/L	3
West Lafayette	10.50 pCi/L	2
Dyer	9.50 pCi/L	2
Columbus	7.50 pCi/L	2
Noblesville	7.00 pCi/L	2
Westfield	7.00 pCi/L	2
Fishers	6.50 pCi/L	2
Corydon	6.00 pCi/L	2
Warsaw	5.50 pCi/L	2
Indianapolis	4.00 pCi/L	2
Newburgh	8.00 pCi/L	1
Logansport	7.00 pCi/L	1
Terre Haute	5.00 pCi/L	1
Muncie	4.00 pCi/L	1
Brownsburg	No submissions	0