Thermopolis, WY Radon Mitigation and Testing

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

Based on 3 user-submitted tests, the average radon level is 5.00 pCi/L.

Q: What EPA Radon Zone is Thermopolis in?

Thermopolis is in Hot Springs County, EPA Zone 1.

Q: How much does radon mitigation cost in Thermopolis?

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

Avg: 5.00 pCi/L

Hot Springs County

EPA Zone 1

3 user tests

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.

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.

Thermopolis, WY Radon Testing

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

Thermopolis, Wyoming Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
4 pCi/L	Thermopolis, WY	51-99 Years	No Basement/All Crawl Space	Jun 2024
7 pCi/L	Thermopolis, WY	51-99 Years	Partial Basement	Sep 2020

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

Thermopolis Radon Facts

Key details about the radon risk profile for Thermopolis and the 82443 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Hot Springs County, WY

Zip Code

82443

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

5.00 pCi/L

User Tests Submitted

Thermopolis and the 82443 zip code are located in Hot Springs 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 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 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