Thorntown, IN Radon Mitigation and Testing

Q: What EPA Radon Zone is Thorntown in?

Thorntown is in Boone County, EPA Zone 1.

Q: How much does radon mitigation cost in Thorntown?

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

Boone County

EPA Zone 1

Located in Boone County northwest of Indianapolis, Thorntown sits over glacial till deposits and limestone bedrock that commonly produce elevated radon levels throughout central Indiana. The historic town features a mix of 19th-century homes and modern suburban developments, most with full basements where radon can accumulate. With testing data currently limited for zip code 46071, residents should consider professional radon testing given the area's geological radon potential.

Thorntown, IN Radon Mitigation

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

Thorntown, IN Radon Testing

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

Thorntown Radon Facts

Key details about the radon risk profile for Thorntown and the 46071 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Boone County, IN

Zip Code

46071

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Thorntown and the 46071 zip code are located in Boone 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 Thorntown, IN

What EPA Radon Zone is Thorntown in?

Thorntown and the 46071 zip code are in Boone 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 Thorntown?

Radon mitigation in Thorntown 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 Thorntown?

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