North Fork, ID Radon Mitigation and Testing

Q: What EPA Radon Zone is North Fork in?

North Fork is in Lemhi County, EPA Zone 1.

Q: How much does radon mitigation cost in North Fork?

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

Lemhi County

EPA Zone 1

Remote Lemhi County encompasses North Fork, where Rocky Mountain geology and uranium-bearing formations create elevated radon potential throughout zip code 83466. This pristine wilderness community features scattered rural properties and recreational cabins, many with varying foundation types. Without extensive local testing data available, residents and property owners should prioritize professional radon testing, especially given Idaho's generally high radon levels and the area's geological characteristics.

North Fork, ID Radon Mitigation

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

North Fork, ID Radon Testing

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

North Fork Radon Facts

Key details about the radon risk profile for North Fork and the 83466 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Lemhi County, ID

Zip Code

83466

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

North Fork and the 83466 zip code are located in Lemhi 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 North Fork, ID

What EPA Radon Zone is North Fork in?

North Fork and the 83466 zip code are in Lemhi 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 North Fork?

Radon mitigation in North 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 North 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 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