Wilson, WI Radon Levels

Q: What EPA Radon Zone is Wilson in?

Wilson is in St Croix County, EPA Zone Unknown.

Q: Why are radon readings shown from areas near Wilson?

No homeowner radon tests have been submitted for Wilson yet, so readings from the closest cities and the St Croix County average are used as the best available indicator of local conditions. The EPA recommends testing every individual home.

Q: How much does radon mitigation cost in Wilson?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

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

Wilson, WI Radon Facts

EPA Radon Zone Unknown Unknown

County St Croix County, WI

Zip Code 54027

Wilson sits in St Croix County within the Minneapolis-St. Paul metro area, where glacial deposits over sandstone bedrock create variable radon conditions. While radon testing data for this community remains limited, Wisconsin's geological composition often produces elevated indoor radon levels. Homeowners in zip code 54027 should conduct professional radon testing to understand their property's specific risk profile.

4.00

pCi/L area average

Above EPA Action Level

St Croix County average: 4.00 pCi/L, based on 2 user-submitted tests across 2 cities in the county. No homeowner readings have been submitted for Wilson itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Wilson, WI Radon Mitigation

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

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Radon Readings Near Wilson, WI

No homeowner tests have been submitted for Wilson yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.

City	Distance	Avg User Level	Readings
Ellsworth	20.7 mi	5.00 pCi/L	1
River Falls	22.2 mi	7.00 pCi/L	2
Somerset	27.2 mi	4.00 pCi/L	1
Houlton	28.6 mi	4.00 pCi/L	1
Amery	29.5 mi	3.00 pCi/L	1
Almena	34.0 mi	2.00 pCi/L	1
Osceola	35.6 mi	5.00 pCi/L	1
Bloomer	36.1 mi	4.50 pCi/L	2

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 Wilson, WI

What EPA Radon Zone is Wilson in?

Wilson and the 54027 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.

Why are radon readings shown from areas near Wilson?

No homeowner radon tests have been submitted for Wilson yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the St Croix County average—are the best available indicator of local conditions until Wilson homeowners submit their own results. The EPA still recommends testing every individual home, since levels can vary significantly from house to house.

How much does radon mitigation cost in Wilson?

Radon mitigation in Wilson 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 Wilson?

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.