Kettle Falls, WA Radon Mitigation and Testing

Q: What is the average radon level in Kettle Falls, WA?

Based on 1 user-submitted tests, the average radon level is 3.00 pCi/L.

Q: What EPA Radon Zone is Kettle Falls in?

Kettle Falls is in Stevens County, EPA Zone 1.

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

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

Avg: 3.00 pCi/L

Stevens County

EPA Zone 1

1 user test

Located in northeastern Washington's Stevens County within the Spokane metro area, Kettle Falls sits where granite and metamorphic bedrock can contribute to radon presence in homes. Testing data shows an average reading of 3.0 pCi/L, which falls within EPA recommended ranges but still warrants continued monitoring. The area's geological diversity and mix of foundation types means individual home testing remains important for accurate assessment.

3.00

pCi/L average

Below EPA Action Level

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

4.0 EPA

10+

Kettle Falls, WA Radon Mitigation

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

Kettle Falls, WA Radon Testing

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

Kettle Falls, Washington Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
3 pCi/L	Kettle Falls, WA	21-50 Years	Full Basement	Sep 2019

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

Kettle Falls Radon Facts

Key details about the radon risk profile for Kettle Falls and the 99141 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Stevens County, WA

Zip Code

99141

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

3.00 pCi/L

User Tests Submitted

Kettle Falls and the 99141 zip code are located in Stevens 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 Kettle Falls, WA

What is the average radon level in Kettle Falls, WA?

Based on 1 user-submitted test, the average radon level in Kettle Falls is 3.00 pCi/L. This is below the EPA's recommended action level of 4.0 pCi/L. However, we recommend all homes be tested regardless of your neighbor's results.

What EPA Radon Zone is Kettle Falls in?

Kettle Falls and the 99141 zip code are in Stevens 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 Kettle Falls?

Radon mitigation in Kettle 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 Kettle 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 Washington

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

City	Avg User Radon Level	Submissions
Vancouver	6.56 pCi/L	9
Kent	3.60 pCi/L	5
Seattle	5.25 pCi/L	4
Olympia	5.00 pCi/L	4
Bellevue	3.75 pCi/L	4
Spokane	11.67 pCi/L	3
Camas	8.00 pCi/L	3
Centralia	7.00 pCi/L	3
Bellingham	4.50 pCi/L	2
Kirkland	4.50 pCi/L	2
Washougal	8.00 pCi/L	1
Ridgefield	5.00 pCi/L	1
Moses Lake	No submissions	0