Superior, WI Radon Mitigation and Testing

Q: What EPA Radon Zone is Superior in?

Superior is in Douglas County, EPA Zone 2.

Q: How much does radon mitigation cost in Superior?

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

Douglas County

EPA Zone 2

Superior in Douglas County overlooks Lake Superior within the Duluth Metro area, sitting on ancient Precambrian bedrock formations known to contain uranium-bearing minerals. Limited radon testing data for zip code 54880 makes professional assessment particularly important for residents. The combination of crystalline bedrock geology and the region's traditional basement construction creates conditions where radon can accumulate significantly in homes throughout this Great Lakes community.

Superior, WI Radon Mitigation

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

Superior, WI Radon Testing

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

Superior Radon Facts

Key details about the radon risk profile for Superior and the 54880 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Douglas County, WI

Zip Code

54880

Predicted Screening Level

2–4 pCi/L (Zone 2)

Superior and the 54880 zip code are located in Douglas 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 Superior, WI

What EPA Radon Zone is Superior in?

Superior and the 54880 zip code are in Douglas 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 Superior?

Radon mitigation in Superior 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 Superior?

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