Carville, LA Radon Mitigation and Testing

Q: What EPA Radon Zone is Carville in?

Carville is in Iberville Parish County, EPA Zone 3.

Q: How much does radon mitigation cost in Carville?

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

Iberville Parish County

EPA Zone 3

Situated along the Mississippi River in Iberville Parish near Baton Rouge, Carville sits on river alluvium and coastal plain sediments that typically minimize radon concentrations. Testing data for this small community is currently limited, though Louisiana's generally low radon potential means most homes fall below EPA action levels. Residents in zip code 70721 should still consider testing, particularly in any homes with enclosed crawl spaces.

Carville, LA Radon Mitigation

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

Carville, LA Radon Testing

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

Carville Radon Facts

Key details about the radon risk profile for Carville and the 70721 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Iberville Parish County, LA

Zip Code

70721

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Carville and the 70721 zip code are located in Iberville 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 Carville, LA

What EPA Radon Zone is Carville in?

Carville and the 70721 zip code are in Iberville 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 Carville?

Radon mitigation in Carville 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 Carville?

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