Decatur, AR Radon Mitigation and Testing

Q: What EPA Radon Zone is Decatur in?

Decatur is in Benton County, EPA Zone 2.

Q: How much does radon mitigation cost in Decatur?

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

Benton County

EPA Zone 2

Positioned in Benton County within the Fayetteville Metro area, Decatur sits in the Arkansas Ozarks where limestone bedrock and karst geology create variable radon conditions. Current testing data for zip code 72722 remains limited, but the underlying geological formations warrant homeowner attention. Testing is recommended throughout this region, particularly for homes with basements or those built over cave systems common in northwest Arkansas.

Decatur, AR Radon Mitigation

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

Decatur, AR Radon Testing

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

Decatur Radon Facts

Key details about the radon risk profile for Decatur and the 72722 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Benton County, AR

Zip Code

72722

Predicted Screening Level

2–4 pCi/L (Zone 2)

Decatur and the 72722 zip code are located in Benton 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 Decatur, AR

What EPA Radon Zone is Decatur in?

Decatur and the 72722 zip code are in Benton 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 Decatur?

Radon mitigation in Decatur 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 Decatur?

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 Arkansas

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

City	Avg User Radon Level	Submissions
Hot Springs Village	11.60 pCi/L	5
Bentonville	4.00 pCi/L	4
Bella Vista	13.67 pCi/L	3
Little Rock	7.00 pCi/L	1