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Osseo, WI Radon Levels

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


Osseo, WI Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)
County Trempealeau County, WI
Zip Code 54758
Avg. User Level 5.00 pCi/L
User Tests 1

Nestled in Trempealeau County within the Eau Claire Metro area, Osseo has recorded an average radon level of 5.0 pCi/L from recent testing. This reading exceeds the EPA action level of 4.0 pCi/L, reflecting the area's driftless region geology with limestone valleys and sandstone ridges. Homeowners in zip code 54758 should consider radon mitigation given these elevated levels in this scenic western Wisconsin community.

5.00
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

Osseo, WI Radon Mitigation

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

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Osseo, WI Radon Levels

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

Radon LevelCityHome AgeFoundation
5 pCi/L Osseo, WI 0-20 Years

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

Radon Readings Near Osseo, WI

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

CityDistanceAvg User LevelReadings
Fall Creek 14.8 mi 8.00 pCi/L 1
Altoona 19.9 mi 6.00 pCi/L 1
Black River Falls 26.5 mi 9.00 pCi/L 1
Jim Falls 36.6 mi 5.00 pCi/L 1
Bloomer 39.8 mi 4.50 pCi/L 2
Holmen 40.4 mi 2.00 pCi/L 1
Onalaska 45.8 mi 3.00 pCi/L 1
Sparta 46.4 mi 5.00 pCi/L 2

Trempealeau County Radon Profile

EPA mapping assigns Trempealeau County to Radon Zone 2, indicating moderate predicted indoor screening levels in the 2 to 4 pCi/L range based on regional geology. Homeowner-submitted tests from 1 city in Trempealeau County average 5.00 pCi/L across 1 test — 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 Trempealeau County home regardless of zone or a neighbor's results.

Radon FAQ for Osseo, WI

What is the average radon level in Osseo, WI?
Based on 1 user-submitted test, the average radon level in Osseo 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 Osseo in?
Osseo and the 54758 zip code are in Trempealeau 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 Osseo?
Radon mitigation in Osseo 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 Osseo?
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.