Clarkia, ID Radon Mitigation and Testing

Q: What EPA Radon Zone is Clarkia in?

Clarkia is in Shoshone County, EPA Zone 1.

Q: How much does radon mitigation cost in Clarkia?

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

Shoshone County

EPA Zone 1

Deep in Idaho's Shoshone County mountains, Clarkia sits among complex metamorphic geology that creates EPA Zone 1 radon potential. While testing data for zip code 83812 remains sparse, the region's mining history and varied rock formations can produce elevated radon levels in residential properties. Mountain community residents should consider testing essential, as remote locations often feature unique geological conditions that can surprise homeowners with unexpected indoor radon concentrations.

Clarkia, ID Radon Mitigation

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

Clarkia, ID Radon Testing

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

Clarkia Radon Facts

Key details about the radon risk profile for Clarkia and the 83812 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Shoshone County, ID

Zip Code

83812

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Clarkia and the 83812 zip code are located in Shoshone County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Clarkia, ID

What EPA Radon Zone is Clarkia in?

Clarkia and the 83812 zip code are in Shoshone 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 Clarkia?

Radon mitigation in Clarkia 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 Clarkia?

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 with the most user-submitted radon test data in the state.

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
Boise	No submissions	0
Nampa	No submissions	0
Sandpoint	No submissions	0