Osseo, WI Radon Mitigation and Testing

Q: What is the average radon level in Osseo, WI?

Based on 1 user-submitted tests, the average radon level is 5.00 pCi/L.

Q: What EPA Radon Zone is Osseo in?

Osseo is in Trempealeau County, EPA Zone 2.

Q: How much does radon mitigation cost in Osseo?

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

Trempealeau County

EPA Zone 2

1 user test

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.

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.

Osseo, WI Radon Testing

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

Osseo, Wisconsin Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
5 pCi/L	Osseo, WI	0-20 Years	—	Jul 2024

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

Osseo Radon Facts

Key details about the radon risk profile for Osseo and the 54758 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Trempealeau County, WI

Zip Code

54758

Predicted Screening Level

2–4 pCi/L (Zone 2)

Avg. User Submitted Level

5.00 pCi/L

User Tests Submitted

Osseo and the 54758 zip code are located in Trempealeau County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

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.

Most Active Radon Markets in Wisconsin

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Milwaukee	10.00 pCi/L	3
Prairie Du Chien	10.00 pCi/L	2
Stevens Point	5.50 pCi/L	2
Menomonie	10.00 pCi/L	1
Delavan	6.00 pCi/L	1
Shawano	No submissions	0
Sturgeon Bay	No submissions	0