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Mosinee, WI Radon Levels

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


Mosinee, WI Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Marathon County, WI
Zip Code 54455
Avg. User Level 6.00 pCi/L
User Tests 1

Central Wisconsin's Marathon County community of Mosinee reports an average radon level of 6.0 pCi/L, which exceeds the EPA action threshold of 4.0 pCi/L. The area's glacial deposits over Precambrian bedrock contribute to elevated radon potential throughout the region. Homeowners in zip code 54455 should consider mitigation, as Wisconsin's granite-rich geology consistently produces above-average radon concentrations.

6.00
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

Mosinee, WI Radon Mitigation

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

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Mosinee, WI Radon Levels

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

Radon LevelCityHome AgeFoundation
6 pCi/L Mosinee, WI 21-50 Years Full Basement

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

Radon Readings Near Mosinee, WI

Compare radon levels in Mosinee with the closest nearby cities that have user-submitted test data.

CityDistanceAvg User LevelReadings
Stratford 18.3 mi 13.00 pCi/L 1
Stevens Point 19.4 mi 6.00 pCi/L 3
Wittenberg 25.4 mi 11.00 pCi/L 1
Marshfield 26.1 mi 13.50 pCi/L 2
Wisconsin Rapids 30.2 mi 4.50 pCi/L 2
Antigo 35.1 mi 19.00 pCi/L 1
Nekoosa 37.1 mi 6.00 pCi/L 1
Gleason 38.6 mi 4.00 pCi/L 2

Marathon County Radon Profile

Because of its underlying geology, Marathon County is mapped as EPA Radon Zone 1 — the most elevated classification — where predicted indoor screening averages exceed 4 pCi/L. Homeowner-submitted tests from 2 cities in Marathon County average 9.50 pCi/L across 2 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Marathon County home regardless of zone or a neighbor's results.

Radon FAQ for Mosinee, WI

What is the average radon level in Mosinee, WI?
Based on 1 user-submitted test, the average radon level in Mosinee is 6.00 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 Mosinee in?
Mosinee and the 54455 zip code are in Marathon 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 Mosinee?
Radon mitigation in Mosinee 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 Mosinee?
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.