Irrigon, OR Radon Mitigation and Testing

Q: What EPA Radon Zone is Irrigon in?

Irrigon is in Morrow County, EPA Zone 2.

Q: How much does radon mitigation cost in Irrigon?

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

Morrow County

EPA Zone 2

Located along the Columbia River in Morrow County, Irrigon sits within Columbia River basalt geology that generally produces lower radon concentrations. The community features agricultural worker housing and rural properties, many built on slab-on-grade foundations suited to the semi-arid climate. While radon testing data for zip code 97844 remains limited, homeowners should still conduct testing to establish baseline readings for their specific properties.

Irrigon, OR Radon Mitigation

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

Irrigon, OR Radon Testing

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

Irrigon Radon Facts

Key details about the radon risk profile for Irrigon and the 97844 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Morrow County, OR

Zip Code

97844

Predicted Screening Level

2–4 pCi/L (Zone 2)

Irrigon and the 97844 zip code are located in Morrow 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 Irrigon, OR

What EPA Radon Zone is Irrigon in?

Irrigon and the 97844 zip code are in Morrow 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 Irrigon?

Radon mitigation in Irrigon 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 Irrigon?

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