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Wapato, WA Radon Levels

Check local Wapato radon levels and find certified testing and mitigation professionals to keep your home safe


Wapato, WA Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)
County Yakima County, WA
Zip Code 98951
Avg. User Level 10.00 pCi/L
User Tests 1

Nestled in Yakima County within the Yakima metro area, Wapato sits in Washington's Columbia River basin where basalt bedrock and volcanic soils typically result in moderate radon levels. The community's agricultural setting features a mix of older farmhouses and newer suburban development, with foundation types adapted to the region's seismic considerations. Testing data remains limited for zip code 98951, making individual radon assessment important for homeowners to understand their specific exposure risks.

10.00
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

Wapato, WA Radon Mitigation

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

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Wapato, WA Radon Levels

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

Radon LevelCityHome AgeFoundation
10 pCi/L Wapato, WA 21-50 Years No Basement/All Crawl Space

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

Radon FAQ for Wapato, WA

What is the average radon level in Wapato, WA?
Based on 1 user-submitted test, the average radon level in Wapato is 10.00 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 Wapato in?
Wapato and the 98951 zip code are in Yakima 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 Wapato?
Radon mitigation in Wapato 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 Wapato?
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 in Washington with the most user-submitted radon test data, ranked by number of submissions.

CityAvg User Radon LevelSubmissions
Vancouver 6.56 pCi/L 9
Kent 3.50 pCi/L 6
Olympia 7.00 pCi/L 5
Seattle 5.25 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