Thorntown, IN Radon Levels
Check local Thorntown radon levels and find certified testing and mitigation professionals to keep your home safe
Thorntown, IN Radon Facts
EPA Radon Zone
Zone 1 — High Risk
> 4.0 pCi/L (Zone 1)
County
Boone County, IN
Zip Code
46071
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.
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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 in Indiana with the most user-submitted radon test data, ranked by number of submissions.
| 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 |
| Westfield | 6.33 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 |