Marianna, AR Radon Mitigation and Testing

Q: What EPA Radon Zone is Marianna in?

Marianna is in Lee County, EPA Zone 3.

Q: How much does radon mitigation cost in Marianna?

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

Lee County

EPA Zone 3

Positioned in the Mississippi River Delta region of Lee County, Marianna sits on alluvial soils and sedimentary formations that generally produce lower radon concentrations. The community's housing stock includes both historic downtown structures and newer residential developments, with slab-on-grade foundations being common in this flood-prone area. Testing data for zip code 72360 remains limited, making individual home testing essential for residents seeking to understand their radon exposure risk.

Marianna, AR Radon Mitigation

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

Marianna, AR Radon Testing

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

Marianna Radon Facts

Key details about the radon risk profile for Marianna and the 72360 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Lee County, AR

Zip Code

72360

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Marianna and the 72360 zip code are located in Lee 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 Marianna, AR

What EPA Radon Zone is Marianna in?

Marianna and the 72360 zip code are in Lee 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 Marianna?

Radon mitigation in Marianna 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 Marianna?

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