Colfax, IN Radon Mitigation and Testing

Q: What EPA Radon Zone is Colfax in?

Colfax is in Clinton County, EPA Zone 1.

Q: How much does radon mitigation cost in Colfax?

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

Clinton County

EPA Zone 1

Located in Clinton County within the Indianapolis metro region, Colfax sits on glacial till deposits that contribute to Indiana's variable radon conditions across rural areas. While radon testing data for the 46035 zip code is currently limited, the geological setting and housing patterns suggest individual property assessment is important. The community's mix of older farmstead properties and newer rural construction means radon levels can differ considerably from home to home.

Colfax, IN Radon Mitigation

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

Colfax, IN Radon Testing

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

Colfax Radon Facts

Key details about the radon risk profile for Colfax and the 46035 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Clinton County, IN

Zip Code

46035

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Colfax and the 46035 zip code are located in Clinton 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 Colfax, IN

What EPA Radon Zone is Colfax in?

Colfax and the 46035 zip code are in Clinton 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 Colfax?

Radon mitigation in Colfax 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 Colfax?

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