Lewis, IN Radon Mitigation and Testing

Q: What EPA Radon Zone is Lewis in?

Lewis is in Clay County, EPA Zone 2.

Q: How much does radon mitigation cost in Lewis?

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

Clay County

EPA Zone 2

Located in Clay County within the Terre Haute Metro area, Lewis sits atop Indiana's varied geological formations that can influence radon levels throughout the region. Current testing data for zip code 47858 remains limited, emphasizing the importance of individual home radon testing. Indiana's mix of glacial deposits and underlying bedrock creates conditions where radon can accumulate in homes with basements or crawl spaces.

Lewis, IN Radon Mitigation

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

Lewis, IN Radon Testing

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

Lewis Radon Facts

Key details about the radon risk profile for Lewis and the 47858 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Clay County, IN

Zip Code

47858

Predicted Screening Level

2–4 pCi/L (Zone 2)

Lewis and the 47858 zip code are located in Clay County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Lewis, IN

What EPA Radon Zone is Lewis in?

Lewis and the 47858 zip code are in Clay County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

How much does radon mitigation cost in Lewis?

Radon mitigation in Lewis 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 Lewis?

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