Smithville, AR Radon Mitigation and Testing

Q: What EPA Radon Zone is Smithville in?

Smithville is in Lawrence County, EPA Zone 3.

Q: How much does radon mitigation cost in Smithville?

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

Lawrence County

EPA Zone 3

Positioned in Lawrence County in northeastern Arkansas, Smithville sits on sedimentary formations typical of the Gulf Coastal Plain that generally produce lower radon concentrations. While testing data for zip code 72466 is limited, the area's geological characteristics suggest moderate radon potential. The community's mix of older residential properties and newer construction, many built on pier or slab foundations common in this region, benefits from baseline radon testing.

Smithville, AR Radon Mitigation

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

Smithville, AR Radon Testing

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

Smithville Radon Facts

Key details about the radon risk profile for Smithville and the 72466 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Lawrence County, AR

Zip Code

72466

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Smithville and the 72466 zip code are located in Lawrence 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 Smithville, AR

What EPA Radon Zone is Smithville in?

Smithville and the 72466 zip code are in Lawrence 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 Smithville?

Radon mitigation in Smithville 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 Smithville?

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