Cheyenne, WY Radon Mitigation and Testing

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

Based on 4 user-submitted tests, the average radon level is 5.00 pCi/L.

Q: What EPA Radon Zone is Cheyenne in?

Cheyenne is in Laramie County, EPA Zone 1.

Q: How much does radon mitigation cost in Cheyenne?

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

Laramie County

EPA Zone 1

4 user tests

Wyoming's capital city in Laramie County shows an average radon level of 5.0 pCi/L based on testing across ZIP codes 82001, 82007, and 82009, exceeding the EPA's 4.0 pCi/L action threshold. Located in EPA Zone 1, this elevation reflects the region's geological conditions that commonly produce elevated radon levels in homes. With readings ranging from 3.0 to 8.0 pCi/L, Cheyenne residents should prioritize professional testing and consider mitigation if levels exceed EPA guidelines.

5.00

pCi/L average

Above EPA Action Level

Based on 4 user-submitted radon tests for homes in Cheyenne, WY. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Cheyenne, WY Radon Mitigation

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

Cheyenne, WY Radon Testing

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

Cheyenne, Wyoming Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
4 pCi/L	Cheyenne, WY	0-20 Years	Full Basement	Dec 2022
3 pCi/L	Cheyenne, WY	51-99 Years	Full Basement	Jun 2020
8 pCi/L	Cheyenne, WY	51-99 Years	Full Basement	May 2017
5 pCi/L	Cheyenne, WY	21-50 Years	Partial Basement	Mar 2016

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

Cheyenne Radon Facts

Key details about the radon risk profile for Cheyenne and the 82001 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Laramie County, WY

Zip Code

82001

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

5.00 pCi/L

User Tests Submitted

Cheyenne and the 82001 zip code are located in Laramie 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 Cheyenne, WY

What is the average radon level in Cheyenne, WY?

Based on 4 user-submitted tests, the average radon level in Cheyenne 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 Cheyenne in?

Cheyenne and the 82001 zip code are in Laramie 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 Cheyenne?

Radon mitigation in Cheyenne 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 Cheyenne?

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