Washington, LA Radon Levels
Check local Washington radon levels and find certified testing and mitigation professionals to keep your home safe
Washington, LA Radon Facts
EPA Radon Zone
Unknown
Unknown
County
St Landry Parish County, LA
Zip Code
70589
Located in St Landry Parish in south-central Louisiana, Washington sits on Mississippi River alluvial deposits that typically result in lower radon concentrations. Available testing data for the 70589 area is limited, though Louisiana's coastal plain geology generally shows minimal radon risk. The region's predominantly slab-on-grade and pier-and-beam construction styles reflect local soil conditions and climate considerations.
Washington, 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 Washington?
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Radon FAQ for Washington, LA
What EPA Radon Zone is Washington in?
Washington and the 70589 zip code are in St Landry Parish County, which has an EPA assigned Radon Zone of Unknown. A zone of Unknown does not have sufficient data for classification.
How much does radon mitigation cost in Washington?
Radon mitigation in Washington 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 Washington?
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 |