Winchester, IN Radon Mitigation and Testing

Q: What EPA Radon Zone is Winchester in?

Winchester is in Randolph County, EPA Zone 1.

Q: How much does radon mitigation cost in Winchester?

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

Randolph County

EPA Zone 1

Situated in eastern Indiana's Randolph County near the Ohio border, Winchester sits atop glacial till deposits that can influence radon levels throughout the region. Testing data for this community in zip code 47394 is currently limited, emphasizing the need for homeowners to conduct individual radon tests. Many homes in the area feature full basements typical of Midwest construction, which can accumulate radon if present.

Winchester, IN Radon Mitigation

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

Winchester, IN Radon Testing

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

Winchester Radon Facts

Key details about the radon risk profile for Winchester and the 47394 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Randolph County, IN

Zip Code

47394

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Winchester and the 47394 zip code are located in Randolph 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 Winchester, IN

What EPA Radon Zone is Winchester in?

Winchester and the 47394 zip code are in Randolph 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 Winchester?

Radon mitigation in Winchester 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 Winchester?

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