Benge, WA Radon Mitigation and Testing

Q: What EPA Radon Zone is Benge in?

Benge is in Adams County, EPA Zone 2.

Q: How much does radon mitigation cost in Benge?

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

Adams County

EPA Zone 2

Located in southeastern Washington's Adams County, Benge sits in the Palouse region where wind-deposited loess soils typically result in lower radon levels. Comprehensive testing data for this small farming community remains limited, though the area's geological conditions generally produce readings below EPA action levels. Homeowners in the 99105 area should still consider testing, particularly those with full basements or homes built into hillsides where radon accumulation may occur.

Benge, WA Radon Mitigation

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

Benge, WA Radon Testing

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

Benge Radon Facts

Key details about the radon risk profile for Benge and the 99105 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Adams County, WA

Zip Code

99105

Predicted Screening Level

2–4 pCi/L (Zone 2)

Benge and the 99105 zip code are located in Adams 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 Benge, WA

What EPA Radon Zone is Benge in?

Benge and the 99105 zip code are in Adams 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 Benge?

Radon mitigation in Benge 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 Benge?

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