Oark, AR Radon Mitigation and Testing

Q: What EPA Radon Zone is Oark in?

Oark is in Johnson County, EPA Zone 3.

Q: How much does radon mitigation cost in Oark?

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

Positioned in Johnson County within the Fayetteville Metro area, Oark sits in the Arkansas River Valley where sedimentary rock layers create generally moderate radon potential. The community's location in zip code 72852 places it among varied geological formations that can produce inconsistent radon readings from home to home. Since comprehensive testing data remains limited for this area, individual radon testing provides the most reliable assessment of exposure risk.

Oark, AR Radon Mitigation

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

Oark, AR Radon Testing

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

Oark Radon Facts

Key details about the radon risk profile for Oark and the 72852 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Johnson County, AR

Zip Code

72852

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Oark and the 72852 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 Oark, AR

What EPA Radon Zone is Oark in?

Oark and the 72852 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 Oark?

Radon mitigation in Oark 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 Oark?

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