Fossil, OR Radon Mitigation and Testing

Q: What EPA Radon Zone is Fossil in?

Fossil is in Wheeler County, EPA Zone 2.

Q: How much does radon mitigation cost in Fossil?

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

Wheeler County

EPA Zone 2

Fossil rests in Wheeler County in north-central Oregon, surrounded by John Day Formation rocks and volcanic deposits that create moderate radon potential in EPA Zone 2 territory. Testing data remains limited for this remote 97830 community, emphasizing the need for individual property assessment. The area's mix of older ranch homes and mobile homes on different foundation systems requires specific testing approaches to accurately measure radon concentrations.

Fossil, OR Radon Mitigation

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

Fossil, OR Radon Testing

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

Fossil Radon Facts

Key details about the radon risk profile for Fossil and the 97830 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Wheeler County, OR

Zip Code

97830

Predicted Screening Level

2–4 pCi/L (Zone 2)

Fossil and the 97830 zip code are located in Wheeler 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 Fossil, OR

What EPA Radon Zone is Fossil in?

Fossil and the 97830 zip code are in Wheeler 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 Fossil?

Radon mitigation in Fossil 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 Fossil?

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