Edwall, WA Radon Mitigation and Testing

Q: What EPA Radon Zone is Edwall in?

Edwall is in Lincoln County, EPA Zone 2.

Q: How much does radon mitigation cost in Edwall?

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

Lincoln County

EPA Zone 2

Nestled in Lincoln County within the Spokane Metro region, Edwall sits on eastern Washington's Palouse loess deposits, which can create variable conditions for radon accumulation. The community features rural homes and agricultural properties characteristic of the wheat-growing Palouse region in zip code 99008. With limited radon testing data currently available, residents should test their homes to establish baseline radon levels and ensure indoor air safety.

Edwall, WA Radon Mitigation

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

Edwall, WA Radon Testing

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

Edwall Radon Facts

Key details about the radon risk profile for Edwall and the 99008 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Lincoln County, WA

Zip Code

99008

Predicted Screening Level

2–4 pCi/L (Zone 2)

Edwall and the 99008 zip code are located in Lincoln 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 Edwall, WA

What EPA Radon Zone is Edwall in?

Edwall and the 99008 zip code are in Lincoln 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 Edwall?

Radon mitigation in Edwall 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 Edwall?

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