Iowa, LA Radon Mitigation and Testing

Q: What EPA Radon Zone is Iowa in?

Iowa is in Calcasieu Parish County, EPA Zone 3.

Q: How much does radon mitigation cost in Iowa?

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

Calcasieu Parish County

EPA Zone 3

Positioned in Calcasieu Parish near the Lake Charles Metro area, Iowa rests on Gulf Coast alluvial deposits and marine sediments. With minimal testing data currently available for the 70647 area, residents should consider radon testing as part of comprehensive home safety evaluation.

Iowa, LA Radon Mitigation

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

Iowa, LA Radon Testing

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

Iowa Radon Facts

Key details about the radon risk profile for Iowa and the 70647 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Calcasieu Parish County, LA

Zip Code

70647

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Iowa and the 70647 zip code are located in Calcasieu Parish 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 Iowa, LA

What EPA Radon Zone is Iowa in?

Iowa and the 70647 zip code are in Calcasieu Parish 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 Iowa?

Radon mitigation in Iowa 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 Iowa?

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 Louisiana

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

City	Avg User Radon Level	Submissions
New Orleans	8.00 pCi/L	1