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Willamina, OR Radon Levels

Check local Willamina radon levels and find certified testing and mitigation professionals to keep your home safe


Willamina, OR Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)
County Yamhill County, OR
Zip Code 97396
Avg. User Level 9.00 pCi/L
User Tests 1

Situated in Yamhill County within Oregon's wine country, Willamina shows a concerning radon level of 9.0 pCi/L from limited testing in the 97396 area. This reading significantly exceeds the EPA's 4.0 pCi/L action level, likely reflecting the region's volcanic soils and sedimentary bedrock that can concentrate radon in valley locations. Residents should prioritize immediate professional testing, particularly those in homes with basements or built into the surrounding hillsides.

9.00
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

Willamina, OR Radon Mitigation

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Willamina, OR Radon Levels

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

Radon LevelCityHome AgeFoundation
9 pCi/L Willamina, OR 51-99 Years Full Basement

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

Radon FAQ for Willamina, OR

What is the average radon level in Willamina, OR?
Based on 1 user-submitted test, the average radon level in Willamina is 9.00 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 Willamina in?
Willamina and the 97396 zip code are in Yamhill 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 Willamina?
Radon mitigation in Willamina 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 Willamina?
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 in Oregon with the most user-submitted radon test data, ranked by number of submissions.

CityAvg User Radon LevelSubmissions
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