Delta, AL Radon Mitigation and Testing

Q: What EPA Radon Zone is Delta in?

Delta is in Clay County, EPA Zone 1.

Q: How much does radon mitigation cost in Delta?

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

Clay County

EPA Zone 1

Found in Clay County, Delta sits within Alabama's Piedmont region where crystalline bedrock and residual soils typically produce lower radon levels compared to other geological zones. Testing data for the 36258 zip code area is currently sparse, though the underlying geology suggests minimal radon risk. Homeowners may still benefit from baseline testing to confirm low levels in their specific properties.

Delta, AL Radon Mitigation

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

Delta, AL Radon Testing

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

Delta Radon Facts

Key details about the radon risk profile for Delta and the 36258 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Clay County, AL

Zip Code

36258

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Delta and the 36258 zip code are located in Clay 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 Delta, AL

What EPA Radon Zone is Delta in?

Delta and the 36258 zip code are in Clay 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 Delta?

Radon mitigation in Delta 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 Delta?

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 Alabama

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Huntsville	9.00 pCi/L	2
Birmingham	7.00 pCi/L	2
Madison	4.00 pCi/L	1