Dixie, WA Radon Mitigation and Testing

Q: What EPA Radon Zone is Dixie in?

Dixie is in Walla Walla County, EPA Zone 2.

Q: How much does radon mitigation cost in Dixie?

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

Walla Walla County

EPA Zone 2

Situated in Walla Walla County within Washington's southeastern agricultural region, Dixie occupies Columbia River plateau terrain where basalt bedrock typically generates lower radon levels. While testing data for ZIP code 99329 is currently limited, the area's volcanic geology and well-ventilated rural setting generally reduce radon accumulation potential. The community's agricultural character and mix of farmstead properties with varying foundation types means individual home testing remains valuable despite the region's typically favorable geological conditions.

Dixie, WA Radon Mitigation

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

Dixie, WA Radon Testing

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

Dixie Radon Facts

Key details about the radon risk profile for Dixie and the 99329 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Walla Walla County, WA

Zip Code

99329

Predicted Screening Level

2–4 pCi/L (Zone 2)

Dixie and the 99329 zip code are located in Walla Walla 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 Dixie, WA

What EPA Radon Zone is Dixie in?

Dixie and the 99329 zip code are in Walla Walla 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 Dixie?

Radon mitigation in Dixie 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 Dixie?

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 Washington

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Vancouver	6.56 pCi/L	9
Kent	3.60 pCi/L	5
Seattle	5.25 pCi/L	4
Olympia	5.00 pCi/L	4
Bellevue	3.75 pCi/L	4
Spokane	11.67 pCi/L	3
Camas	8.00 pCi/L	3
Centralia	7.00 pCi/L	3
Bellingham	4.50 pCi/L	2
Kirkland	4.50 pCi/L	2
Washougal	8.00 pCi/L	1
Ridgefield	5.00 pCi/L	1
Moses Lake	No submissions	0