Arco, ID Radon Mitigation and Testing

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

Based on 1 user-submitted tests, the average radon level is 17.00 pCi/L.

Q: What EPA Radon Zone is Arco in?

Arco is in Butte County, EPA Zone 1.

Q: How much does radon mitigation cost in Arco?

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

Avg: 17.00 pCi/L

Butte County

EPA Zone 1

1 user test

Located in Butte County within Idaho's high desert region, Arco sits on volcanic geology characteristic of the Snake River Plain. While radon testing data for zip code 83213 is currently limited, the EPA Zone 1 classification indicates high radon potential in this Idaho Falls Metro area community. The region's unique volcanic soils and bedrock can create conditions favorable for radon accumulation in homes with basements or ground contact.

17.00

pCi/L average

Above EPA Action Level

Based on 1 user-submitted radon test for homes in Arco, ID. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Arco, ID Radon Mitigation

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

Arco, ID Radon Testing

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

Arco, Idaho Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
17 pCi/L	Arco, ID	51-99 Years	No Basement/All Crawl Space	Apr 2026

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

Arco Radon Facts

Key details about the radon risk profile for Arco and the 83213 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Butte County, ID

Zip Code

83213

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

17.00 pCi/L

User Tests Submitted

Arco and the 83213 zip code are located in Butte 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 Arco, ID

What is the average radon level in Arco, ID?

Based on 1 user-submitted test, the average radon level in Arco is 17.00 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 Arco in?

Arco and the 83213 zip code are in Butte 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 Arco?

Radon mitigation in Arco 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 Arco?

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