Welsh, LA Radon Levels
Check local Welsh radon levels and find certified testing and mitigation professionals to keep your home safe
Welsh, LA Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Jefferson Davis Parish County, LA
Zip Code
70591
Welsh sits in Jefferson Davis Parish within Louisiana's Gulf Coastal Plain, where sedimentary deposits and high water tables generally result in lower radon concentrations. Testing data for this community in zip code 70591 is currently limited, though the region's geology typically produces minimal radon risk. Homeowners should still consider baseline testing, particularly in newer construction with tighter building envelopes.
Welsh, LA Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Need Radon Mitigation or Testing in Welsh?
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Radon FAQ for Welsh, LA
What EPA Radon Zone is Welsh in?
Welsh and the 70591 zip code are in Jefferson Davis 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 Welsh?
Radon mitigation in Welsh 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 Welsh?
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 in Louisiana with the most user-submitted radon test data, ranked by number of submissions.
| City | Avg User Radon Level | Submissions |
|---|---|---|
| New Orleans | 8.00 pCi/L | 1 |