Derby, IN Radon Mitigation and Testing

Q: What EPA Radon Zone is Derby in?

Derby is in Perry County, EPA Zone 2.

Q: How much does radon mitigation cost in Derby?

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

Perry County

EPA Zone 2

Located in Perry County along the Ohio River valley, Derby sits in EPA Zone 2 where limestone bedrock and river terrace deposits create moderate radon potential. Current testing data for zip code 47525 is limited, making professional radon assessment important for area residents. The community's position in the river valley and mix of housing ages across varying geological conditions emphasize the value of individual property testing.

Derby, IN Radon Mitigation

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

Derby, IN Radon Testing

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

Derby Radon Facts

Key details about the radon risk profile for Derby and the 47525 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Perry County, IN

Zip Code

47525

Predicted Screening Level

2–4 pCi/L (Zone 2)

Derby and the 47525 zip code are located in Perry 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 Derby, IN

What EPA Radon Zone is Derby in?

Derby and the 47525 zip code are in Perry 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 Derby?

Radon mitigation in Derby 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 Derby?

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