Mosier, OR Radon Mitigation and Testing

Q: What is the average radon level in Mosier, OR?

Based on 1 user-submitted tests, the average radon level is 14.00 pCi/L.

Q: What EPA Radon Zone is Mosier in?

Mosier is in Wasco County, EPA Zone 2.

Q: How much does radon mitigation cost in Mosier?

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

Avg: 14.00 pCi/L

Wasco County

EPA Zone 2

1 user test

Positioned along the Columbia River in Wasco County, Mosier shows an average radon level of 14.0 pCi/L, which significantly exceeds the EPA action threshold. The area's Columbia River Gorge geology, with basalt flows and sedimentary interbeds, creates conditions favorable for radon accumulation. Residents in zip code 97040 should prioritize mitigation given these elevated readings from the local testing data.

14.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Mosier, OR Radon Mitigation

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

Mosier, OR Radon Testing

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

Mosier, Oregon Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
14 pCi/L	Mosier, OR	0-20 Years	Full Basement	Jan 2016

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

Mosier Radon Facts

Key details about the radon risk profile for Mosier and the 97040 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Wasco County, OR

Zip Code

97040

Predicted Screening Level

2–4 pCi/L (Zone 2)

Avg. User Submitted Level

14.00 pCi/L

User Tests Submitted

Mosier and the 97040 zip code are located in Wasco 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 Mosier, OR

What is the average radon level in Mosier, OR?

Based on 1 user-submitted test, the average radon level in Mosier is 14.00 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 Mosier in?

Mosier and the 97040 zip code are in Wasco 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 Mosier?

Radon mitigation in Mosier 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 Mosier?

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 Oregon

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

City	Avg User Radon Level	Submissions
Corvallis	5.60 pCi/L	5
Astoria	9.25 pCi/L	4
La Grande	10.67 pCi/L	3
Bend	3.33 pCi/L	3
Salem	9.00 pCi/L	2
Eugene	7.00 pCi/L	2
Medford	7.00 pCi/L	1
Dundee	6.00 pCi/L	1
Ashland	4.00 pCi/L	1
Portland	4.00 pCi/L	1
Lincoln City	No submissions	0
West Linn	No submissions	0