Mohler, WA Radon Mitigation and Testing

Q: What EPA Radon Zone is Mohler in?

Mohler is in Lincoln County, EPA Zone 2.

Q: How much does radon mitigation cost in Mohler?

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

Positioned in eastern Washington's Lincoln County wheat belt, Mohler sits atop Columbia River basalt flows that typically produce moderate radon concentrations. Testing data for the 99154 area remains limited, though the region's EPA Zone 2 classification suggests moderate potential across the Palouse region. Rural properties with varied foundation types and agricultural buildings may experience different radon accumulation patterns.

Mohler, WA Radon Mitigation

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

Mohler, WA Radon Testing

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

Mohler Radon Facts

Key details about the radon risk profile for Mohler and the 99154 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Lincoln County, WA

Zip Code

99154

Predicted Screening Level

2–4 pCi/L (Zone 2)

Mohler and the 99154 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 Mohler, WA

What EPA Radon Zone is Mohler in?

Mohler and the 99154 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 Mohler?

Radon mitigation in Mohler 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 Mohler?

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