Dayville, OR Radon Mitigation and Testing

Q: What EPA Radon Zone is Dayville in?

Dayville is in Grant County, EPA Zone 2.

Q: How much does radon mitigation cost in Dayville?

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

Grant County

EPA Zone 2

Nestled in Grant County's high desert landscape of eastern Oregon, Dayville sits on volcanic soils and sedimentary formations that typically produce moderate radon potential. Testing data for zip code 97825 remains limited, making local radon patterns difficult to establish. The area's mix of ranch-style homes and rural properties, many with crawl spaces or slab foundations, would benefit from radon testing to establish baseline levels.

Dayville, OR Radon Mitigation

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

Dayville, OR Radon Testing

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

Dayville Radon Facts

Key details about the radon risk profile for Dayville and the 97825 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Grant County, OR

Zip Code

97825

Predicted Screening Level

2–4 pCi/L (Zone 2)

Dayville and the 97825 zip code are located in Grant 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 Dayville, OR

What EPA Radon Zone is Dayville in?

Dayville and the 97825 zip code are in Grant 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 Dayville?

Radon mitigation in Dayville 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 Dayville?

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