Dallas, OR Radon Mitigation and Testing

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

Based on 1 user-submitted tests, the average radon level is 5.00 pCi/L.

Q: What EPA Radon Zone is Dallas in?

Dallas is in Polk County, EPA Zone 3.

Q: How much does radon mitigation cost in Dallas?

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

Avg: 5.00 pCi/L

Polk County

EPA Zone 3

1 user test

Positioned in Polk County within the Salem Metro area, Dallas sits in Oregon's Willamette Valley where marine sedimentary rocks and volcanic soils can influence radon levels. Testing data shows an average radon level of 5.0 pCi/L in zip code 97338, which exceeds the EPA action threshold. Given the area's mix of older farmhouses and newer residential developments, homeowners should prioritize radon testing and consider mitigation systems where necessary.

5.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Dallas, OR Radon Mitigation

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

Dallas, OR Radon Testing

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

Dallas, Oregon Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
5 pCi/L	Dallas, OR	21-50 Years	Full Basement	Jun 2021

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

Dallas Radon Facts

Key details about the radon risk profile for Dallas and the 97338 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Polk County, OR

Zip Code

97338

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Avg. User Submitted Level

5.00 pCi/L

User Tests Submitted

Dallas and the 97338 zip code are located in Polk County, which has an EPA assigned Radon Zone of 3. A radon zone of 3 predicts an average indoor radon screening level less than 2 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Dallas, OR

What is the average radon level in Dallas, OR?

Based on 1 user-submitted test, the average radon level in Dallas is 5.00 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 Dallas in?

Dallas and the 97338 zip code are in Polk County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L.

How much does radon mitigation cost in Dallas?

Radon mitigation in Dallas 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 Dallas?

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