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Somerset, WI Radon Levels

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


Somerset, WI Radon Facts

EPA Radon Zone Unknown Unknown
County St Croix County, WI
Zip Code 54025
Avg. User Level 4.00 pCi/L
User Tests 1

Somerset in St. Croix County shows an average radon level of 4.0 pCi/L based on current testing data, which sits right at the EPA action threshold. Located along the Minnesota border in the Minneapolis-St. Paul metro area, the community's glacial till soils and basement-equipped homes create conditions where radon can accumulate. Regular testing remains recommended even for homes at or below the EPA threshold.

4.00
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

Somerset, WI Radon Mitigation

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

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Somerset, WI Radon Levels

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

Radon LevelCityHome AgeFoundation
4 pCi/L Somerset, WI 21-50 Years Full Basement

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

Radon Readings Near Somerset, WI

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

CityDistanceAvg User LevelReadings
Houlton 5.8 mi 4.00 pCi/L 1
Osceola 13.0 mi 5.00 pCi/L 1
River Falls 19.4 mi 7.00 pCi/L 2
Amery 20.3 mi 3.00 pCi/L 1
Saint Croix Falls 26.3 mi 7.00 pCi/L 1
Ellsworth 29.5 mi 5.00 pCi/L 1
Almena 38.7 mi 2.00 pCi/L 1
Grantsburg 45.8 mi 4.00 pCi/L 1

St Croix County Radon Profile

St Croix County lacks a firm EPA zone classification, and the EPA recommends testing every home regardless of regional radon predictions. Homeowner-submitted tests from 2 cities in St Croix County average 4.00 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 St Croix County home regardless of zone or a neighbor's results.

Radon FAQ for Somerset, WI

What is the average radon level in Somerset, WI?
Based on 1 user-submitted test, the average radon level in Somerset is 4.00 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 Somerset in?
Somerset and the 54025 zip code are in St Croix County, which has an EPA assigned Radon Zone of Unknown. A zone of Unknown does not have sufficient data for classification.
How much does radon mitigation cost in Somerset?
Radon mitigation in Somerset 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 Somerset?
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.