Willamina, OR Radon Mitigation and Testing

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

Based on 1 user-submitted tests, the average radon level is 9.00 pCi/L.

Q: What EPA Radon Zone is Willamina in?

Willamina is in Yamhill County, EPA Zone 2.

Q: How much does radon mitigation cost in Willamina?

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

Avg: 9.00 pCi/L

Yamhill County

EPA Zone 2

1 user test

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.

4.0 EPA

10+

Willamina, OR Radon Mitigation

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

Willamina, OR Radon Testing

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

Willamina, Oregon Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
9 pCi/L	Willamina, OR	51-99 Years	Full Basement	May 2018

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

Willamina Radon Facts

Key details about the radon risk profile for Willamina and the 97396 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Yamhill County, OR

Zip Code

97396

Predicted Screening Level

2–4 pCi/L (Zone 2)

Avg. User Submitted Level

9.00 pCi/L

User Tests Submitted

Willamina and the 97396 zip code are located in Yamhill 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 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 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