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Newcastle, WY Radon Levels

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


Newcastle, WY Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)
County Weston County, WY
Zip Code 82701
Avg. User Level 14.00 pCi/L
User Tests 1

Newcastle in Weston County shows an alarming average radon level of 14.0 pCi/L, nearly four times the EPA's action threshold of 4.0 pCi/L. This northeastern Wyoming community sits atop uranium-bearing sedimentary formations of the Powder River Basin, geological conditions that create some of the nation's highest radon concentrations. Given these extremely elevated readings in zip code 82701, immediate professional radon mitigation is essential for all residents to protect against long-term health risks.

14.00
pCi/L average
Above EPA Action Level

Based on 1 user-submitted radon test for homes in Newcastle, WY. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Newcastle, WY Radon Mitigation

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

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Newcastle, WY Radon Levels

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

Radon LevelCityHome AgeFoundation
14 pCi/L Newcastle, WY 21-50 Years Full Basement

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

Radon FAQ for Newcastle, WY

What is the average radon level in Newcastle, WY?
Based on 1 user-submitted test, the average radon level in Newcastle is 14.00 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 Newcastle in?
Newcastle and the 82701 zip code are in Weston County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.
How much does radon mitigation cost in Newcastle?
Radon mitigation in Newcastle 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 Newcastle?
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