Sulphur, IN Radon Mitigation and Testing

Q: What EPA Radon Zone is Sulphur in?

Sulphur is in Crawford County, EPA Zone 2.

Q: How much does radon mitigation cost in Sulphur?

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

Crawford County

EPA Zone 2

Located in Crawford County in southern Indiana, Sulphur sits among limestone formations and karst topography that can create variable radon conditions from home to home. With limited testing data available for the 47174 area, residents should prioritize radon testing regardless of their home's foundation type. The region's cave systems and underground water features indicate active groundwater movement that can influence radon transport patterns.

Sulphur, IN Radon Mitigation

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

Sulphur, IN Radon Testing

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

Sulphur Radon Facts

Key details about the radon risk profile for Sulphur and the 47174 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Crawford County, IN

Zip Code

47174

Predicted Screening Level

2–4 pCi/L (Zone 2)

Sulphur and the 47174 zip code are located in Crawford 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 Sulphur, IN

What EPA Radon Zone is Sulphur in?

Sulphur and the 47174 zip code are in Crawford 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 Sulphur?

Radon mitigation in Sulphur 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 Sulphur?

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