Knightstown, IN Radon Levels

Q: What EPA Radon Zone is Knightstown in?

Knightstown is in Henry County, EPA Zone 1.

Q: How much does radon mitigation cost in Knightstown?

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

Check local Knightstown radon levels and find certified testing and mitigation professionals to keep your home safe

Knightstown, IN Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Henry County, IN

Zip Code 46148

Located in east-central Indiana's Henry County, Knightstown sits where glacial deposits over limestone bedrock create elevated radon potential typical throughout much of the Midwest. The town's historic character and predominantly older housing stock, combined with Indiana's documented radon concerns, suggest residents should prioritize testing. Although specific data for zip code 46148 is currently limited, the region's geological conditions consistently produce radon readings that often exceed EPA recommended action levels.

Knightstown, 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 Knightstown, IN

What EPA Radon Zone is Knightstown in?

Knightstown and the 46148 zip code are in Henry 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 Knightstown?

Radon mitigation in Knightstown 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 Knightstown?

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