Sturgeon Bay, WI Radon Levels

Q: What EPA Radon Zone is Sturgeon Bay in?

Sturgeon Bay is in Door County, EPA Zone 1.

Q: How much does radon mitigation cost in Sturgeon Bay?

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

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

Sturgeon Bay, WI Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Door County, WI

Zip Code 54235

Positioned in Door County along Wisconsin's Door Peninsula, Sturgeon Bay is built on dolomite bedrock and glacial deposits that characterize the Green Bay region's geology. The area's housing stock includes both historic waterfront properties and inland residential developments, many with basement construction typical of Wisconsin communities. With testing data currently unavailable for zip code 54235, residents should prioritize radon testing to understand their individual exposure risk in this Great Lakes setting.

5.00

pCi/L area average

Above EPA Action Level

Door County average: 5.00 pCi/L, based on 1 user-submitted test across 1 city in the county. No homeowner readings have been submitted for Sturgeon Bay 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+

Sturgeon Bay, 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 Sturgeon Bay, WI

No homeowner tests have been submitted for Sturgeon Bay 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
Algoma	16.6 mi	5.00 pCi/L	1
Ellison Bay	32.7 mi	5.00 pCi/L	1
Green Bay	39.2 mi	4.00 pCi/L	1
Crivitz	44.8 mi	10.00 pCi/L	1
Pulaski	45.4 mi	4.00 pCi/L	1

Door County Radon Profile

The bedrock and soils beneath Door County are classified by the EPA as Radon Zone 1, the highest-risk tier, with predicted average indoor screening levels above 4 pCi/L. Homeowner-submitted tests from 1 city in Door 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. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Door County.

Radon FAQ for Sturgeon Bay, WI

What EPA Radon Zone is Sturgeon Bay in?

Sturgeon Bay and the 54235 zip code are in Door County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

Why are radon readings shown from areas near Sturgeon Bay?

No homeowner radon tests have been submitted for Sturgeon Bay yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Door County average—are the best available indicator of local conditions until Sturgeon Bay 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 Sturgeon Bay?

Radon mitigation in Sturgeon Bay 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 Sturgeon Bay?

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.