Yellowstone National Park, WY Radon Mitigation and Testing

Q: What EPA Radon Zone is Yellowstone National Park in?

Yellowstone National Park is in Park County, EPA Zone 1.

Q: How much does radon mitigation cost in Yellowstone National Park?

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

Park County

EPA Zone 1

Within Park County's spectacular wilderness, Yellowstone National Park encompasses terrain where volcanic bedrock and geothermal activity create unique geological conditions contributing to Wyoming's EPA Zone 1 classification. Limited testing data exists for this protected area, though the underlying geology suggests potential for elevated radon levels. Park service facilities and nearby residential properties should consider professional radon assessment given the complex geological environment of this internationally renowned landscape.

Yellowstone National Park, WY Radon Mitigation

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

Yellowstone National Park, WY Radon Testing

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

Yellowstone National Park Radon Facts

Key details about the radon risk profile for Yellowstone National Park and the 82190 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Park County, WY

Zip Code

82190

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Yellowstone National Park and the 82190 zip code are located in Park 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 Yellowstone National Park, WY

What EPA Radon Zone is Yellowstone National Park in?

Yellowstone National Park and the 82190 zip code are in Park 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 Yellowstone National Park?

Radon mitigation in Yellowstone National Park 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 Yellowstone National Park?

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