Clarksville, AR Radon Mitigation and Testing

Q: What EPA Radon Zone is Clarksville in?

Clarksville is in Johnson County, EPA Zone 3.

Q: How much does radon mitigation cost in Clarksville?

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

Johnson County

EPA Zone 3

Located in the Arkansas River Valley within Johnson County, Clarksville sits on sedimentary formations that generally produce lower radon levels compared to mountain regions. With testing data for zip code 72830 currently limited, residents should still consider radon testing as a precautionary measure, particularly in homes with basement or foundation features that could allow gas accumulation.

Clarksville, AR Radon Mitigation

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

Clarksville, AR Radon Testing

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

Clarksville Radon Facts

Key details about the radon risk profile for Clarksville and the 72830 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Johnson County, AR

Zip Code

72830

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Clarksville and the 72830 zip code are located in Johnson County, which has an EPA assigned Radon Zone of 3. A radon zone of 3 predicts an average indoor radon screening level less than 2 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Clarksville, AR

What EPA Radon Zone is Clarksville in?

Clarksville and the 72830 zip code are in Johnson County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L.

How much does radon mitigation cost in Clarksville?

Radon mitigation in Clarksville 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 Clarksville?

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