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Green River, WY Radon Levels

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


Green River, WY Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Sweetwater County, WY
Zip Code 82935
Avg. User Level 11.80 pCi/L
User Tests 6

Green River in Sweetwater County shows significantly elevated radon levels averaging 12.6 pCi/L, more than triple the EPA action threshold and requiring immediate attention from homeowners. The city's location in southwestern Wyoming's high desert region, with uranium-bearing rock formations and sedimentary geology, creates conditions highly favorable for radon gas production. Residents should prioritize professional radon mitigation, as these elevated readings pose serious long-term health risks without proper remediation.

11.80
pCi/L average
Above EPA Action Level

Based on 6 user-submitted radon tests for homes in Green River, WY. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Green River, WY Radon Mitigation

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

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Green River, WY Radon Levels

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

Radon LevelCityHome AgeFoundation
2 pCi/L Green River, WY 51-99 Years No Basement/All Crawl Space
20 pCi/L Green River, WY 21-50 Years Full Basement
6 pCi/L Green River, WY 21-50 Years Full Basement
15 pCi/L Green River, WY 0-20 Years Full Basement

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

Radon FAQ for Green River, WY

What is the average radon level in Green River, WY?
Based on 6 user-submitted tests, the average radon level in Green River is 11.80 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 Green River in?
Green River and the 82935 zip code are in Sweetwater County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.
How much does radon mitigation cost in Green River?
Radon mitigation in Green River 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 Green River?
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 Wyoming

Cities in Wyoming with the most user-submitted radon test data, ranked by number of submissions.

CityAvg User Radon LevelSubmissions
Lander 8.18 pCi/L 11
Rock Springs 5.22 pCi/L 9
Casper 5.83 pCi/L 6
Laramie 5.83 pCi/L 6
Green River 12.60 pCi/L 5
Riverton 8.40 pCi/L 5
Sheridan 10.75 pCi/L 4
Thayne 9.25 pCi/L 4
Cody 5.75 pCi/L 4
Cheyenne 5.00 pCi/L 4