Green River, WY Radon Mitigation and Testing

Q: What is the average radon level in Green River, WY?

Based on 6 user-submitted tests, the average radon level is 11.80 pCi/L.

Q: What EPA Radon Zone is Green River in?

Green River is in Sweetwater County, EPA Zone 1.

Q: How much does radon mitigation cost in Green River?

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

Avg: 11.80 pCi/L

Sweetwater County

EPA Zone 1

6 user tests

Green River is located in Sweetwater County, Wyoming. With 6 user-submitted readings averaging 11.80 pCi/L, the area exceeds the EPA's 4.0 pCi/L action threshold, and testing is strongly recommended for homeowners in the 82935 zip code.

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.

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.

Green River, WY Radon Testing

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

Green River, Wyoming Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
2 pCi/L	Green River, WY	51-99 Years	No Basement/All Crawl Space	Apr 2024
20 pCi/L	Green River, WY	21-50 Years	Full Basement	Dec 2022
6 pCi/L	Green River, WY	21-50 Years	Full Basement	Sep 2019
15 pCi/L	Green River, WY	0-20 Years	Full Basement	Apr 2016

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

Green River Radon Facts

Key details about the radon risk profile for Green River and the 82935 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Sweetwater County, WY

Zip Code

82935

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

11.80 pCi/L

User Tests Submitted

Green River and the 82935 zip code are located in Sweetwater County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

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 with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Lander	8.18 pCi/L	11
Rock Springs	5.22 pCi/L	9
Laramie	5.83 pCi/L	6
Green River	12.60 pCi/L	5
Riverton	8.40 pCi/L	5
Casper	5.60 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
Thermopolis	5.00 pCi/L	3
Gillette	20.00 pCi/L	1
Jackson	No submissions	0