Lewiston, ID Radon Levels
Check local Lewiston radon levels and find certified testing and mitigation professionals to keep your home safe
Lewiston, ID Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Nez Perce County, ID
Zip Code
83501
Positioned in Nez Perce County along the Snake River, Lewiston sits in northern Idaho where Columbia River basalt and underlying geology influence radon potential. Current testing data for zip code 83501 is limited, emphasizing the need for individual home radon testing throughout this river valley community. Idaho's diverse geological formations and varying foundation types mean radon levels can differ significantly from home to home.
Lewiston, ID 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 Lewiston?
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Radon FAQ for Lewiston, ID
What EPA Radon Zone is Lewiston in?
Lewiston and the 83501 zip code are in Nez Perce 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 Lewiston?
Radon mitigation in Lewiston 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 Lewiston?
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 Idaho
Cities in Idaho with the most user-submitted radon test data, ranked by number of submissions.
| City | Avg User Radon Level | Submissions |
|---|---|---|
| Idaho Falls | 7.29 pCi/L | 7 |
| Hailey | 7.83 pCi/L | 6 |
| Post Falls | 9.00 pCi/L | 5 |
| Coeur D Alene | 9.00 pCi/L | 4 |
| Moscow | 7.75 pCi/L | 4 |
| Victor | 6.67 pCi/L | 3 |
| Driggs | 16.00 pCi/L | 2 |
| Hayden | 8.50 pCi/L | 2 |
| Pocatello | 8.50 pCi/L | 2 |
| Eagle | 6.00 pCi/L | 1 |