Idaho Falls, ID Radon Mitigation and Testing

Q: What is the average radon level in Idaho Falls, ID?

Based on 7 user-submitted tests, the average radon level is 7.30 pCi/L.

Q: What EPA Radon Zone is Idaho Falls in?

Idaho Falls is in Bonneville County, EPA Zone 2.

Q: How much does radon mitigation cost in Idaho Falls?

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

Avg: 7.30 pCi/L

Bonneville County

EPA Zone 2

7 user tests

Idaho Falls is located in Bonneville County, Idaho. With 7 user-submitted readings averaging 7.30 pCi/L, the area exceeds the EPA's 4.0 pCi/L action threshold, and testing is strongly recommended for homeowners in the 83401 zip code.

7.30

pCi/L average

Above EPA Action Level

Based on 7 user-submitted radon tests for homes in Idaho Falls, ID. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Idaho Falls, ID Radon Mitigation

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

Idaho Falls, ID Radon Testing

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

Idaho Falls, Idaho Radon Levels

User-submitted radon test readings from homes in the Idaho Falls area.

Radon Level	City	Home Age	Foundation	Submitted
3 pCi/L	Idaho Falls, ID	0-20 Years	Full Basement	Aug 2025
6 pCi/L	Idaho Falls, ID	0-20 Years	Full Basement	Nov 2023
5 pCi/L	Idaho Falls, ID	21-50 Years	Full Basement	Nov 2023
11 pCi/L	Idaho Falls, ID	0-20 Years	Partial Basement	Nov 2023
4 pCi/L	Idaho Falls, ID	0-20 Years	Full Basement	Dec 2018

Have a radon test result for Idaho Falls? Submit your reading to help other homeowners.

Idaho Falls Radon Facts

Key details about the radon risk profile for Idaho Falls and the 83401 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Bonneville County, ID

Zip Code

83401

Predicted Screening Level

2–4 pCi/L (Zone 2)

Avg. User Submitted Level

7.30 pCi/L

User Tests Submitted

Idaho Falls and the 83401 zip code are located in Bonneville County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Idaho Falls, ID

What is the average radon level in Idaho Falls, ID?

Based on 7 user-submitted tests, the average radon level in Idaho Falls is 7.30 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.

What EPA Radon Zone is Idaho Falls in?

Idaho Falls and the 83401 zip code are in Bonneville County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

How much does radon mitigation cost in Idaho Falls?

Radon mitigation in Idaho Falls 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 Idaho Falls?

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