Moscow, ID Radon Mitigation and Testing

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

Based on 4 user-submitted tests, the average radon level is 7.80 pCi/L.

Q: What EPA Radon Zone is Moscow in?

Moscow is in Latah County, EPA Zone 1.

Q: How much does radon mitigation cost in Moscow?

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

Avg: 7.80 pCi/L

Latah County

EPA Zone 1

4 user tests

Situated in Latah County within the Palouse region, Moscow has recorded an average radon level of 7.75 pCi/L based on local testing data. This reading significantly exceeds the EPA action level of 4.0 pCi/L, making radon testing and mitigation particularly important for homeowners in the 83843 zip code area. The university town's housing stock, built on loess soils over basalt bedrock, creates conditions highly conducive to radon accumulation in below-grade spaces.

7.80

pCi/L average

Above EPA Action Level

Based on 4 user-submitted radon tests for homes in Moscow, ID. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Moscow, ID Radon Mitigation

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

Moscow, ID Radon Testing

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

Moscow, Idaho Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
3 pCi/L	Moscow, ID	21-50 Years	Partial Basement	Jan 2025
11 pCi/L	Moscow, ID	51-99 Years	Partial Basement	Dec 2022
6 pCi/L	Moscow, ID	51-99 Years	No Basement/All Slab	Jul 2018

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

Moscow Radon Facts

Key details about the radon risk profile for Moscow and the 83843 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Latah County, ID

Zip Code

83843

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

7.80 pCi/L

User Tests Submitted

Moscow and the 83843 zip code are located in Latah 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 Moscow, ID

What is the average radon level in Moscow, ID?

Based on 4 user-submitted tests, the average radon level in Moscow is 7.80 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 Moscow in?

Moscow and the 83843 zip code are in Latah 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 Moscow?

Radon mitigation in Moscow 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 Moscow?

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