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Thermopolis, WY Radon Levels

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


Thermopolis, WY Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Hot Springs County, WY
Zip Code 82443
Avg. User Level 5.00 pCi/L
User Tests 3

Located in Hot Springs County among Wyoming's geothermal features and sedimentary rock formations, Thermopolis shows an average radon level of 5.0 pCi/L from initial testing. This reading exceeds the EPA action level of 4.0 pCi/L, indicating that homeowners in zip code 82443 should prioritize radon testing and mitigation planning.

5.00
pCi/L average
Above EPA Action Level

Based on 3 user-submitted radon tests for homes in Thermopolis, WY. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Thermopolis, WY Radon Mitigation

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

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Thermopolis, WY Radon Levels

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

Radon LevelCityHome AgeFoundation
4 pCi/L Thermopolis, WY 51-99 Years No Basement/All Crawl Space
7 pCi/L Thermopolis, WY 51-99 Years Partial Basement

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

Radon FAQ for Thermopolis, WY

What is the average radon level in Thermopolis, WY?
Based on 3 user-submitted tests, the average radon level in Thermopolis is 5.00 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 Thermopolis in?
Thermopolis and the 82443 zip code are in Hot Springs 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 Thermopolis?
Radon mitigation in Thermopolis 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 Thermopolis?
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