Clark Fork, ID Radon Levels
Check local Clark Fork radon levels and find certified testing and mitigation professionals to keep your home safe
Clark Fork, ID Radon Facts
EPA Radon Zone
Zone 1 — High Risk
> 4.0 pCi/L (Zone 1)
County
Bonner County, ID
Zip Code
83811
Nestled in northern Idaho's Bonner County lake country, Clark Fork sits among glacial valley deposits that create EPA Zone 1 radon conditions. While specific testing data for zip code 83811 isn't available, the region's complex geology of metamorphic rocks and glacial sediments can produce variable radon levels. Residents near Lake Pend Oreille should consider testing, as mountain valley locations often trap radon gas in residential foundations.
Clark Fork, 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 Clark Fork?
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Radon FAQ for Clark Fork, ID
What EPA Radon Zone is Clark Fork in?
Clark Fork and the 83811 zip code are in Bonner County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.
How much does radon mitigation cost in Clark Fork?
Radon mitigation in Clark Fork 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 Clark Fork?
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 |