Star Lake, WI Radon Levels

Q: What EPA Radon Zone is Star Lake in?

Star Lake is in Vilas County, EPA Zone 2.

Q: How much does radon mitigation cost in Star Lake?

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

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

Star Lake, WI Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Vilas County, WI

Zip Code 54561

Situated in Vilas County within Wisconsin's Northwoods lake region, Star Lake sits where glacial deposits over Precambrian granite create moderate radon potential. Current testing data for zip code 54561 remains limited, encouraging residents to conduct individual home testing. This recreational and residential community's mix of seasonal cabins and permanent homes, many with walkout basements facing the lake, presents varied conditions for potential radon entry.

7.67

pCi/L area average

Above EPA Action Level

Vilas County average: 7.67 pCi/L, based on 6 user-submitted tests across 5 cities in the county. No homeowner readings have been submitted for Star Lake 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+

Star Lake, 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 Star Lake, WI

No homeowner tests have been submitted for Star Lake 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
Sayner	5.4 mi	6.50 pCi/L	2
Saint Germain	9.9 mi	5.00 pCi/L	1
Woodruff	14.1 mi	4.00 pCi/L	1
Eagle River	15.0 mi	4.00 pCi/L	1
Manitowish Waters	18.4 mi	20.00 pCi/L	1
Minocqua	18.5 mi	5.00 pCi/L	1
Rhinelander	25.1 mi	9.00 pCi/L	1
Crandon	45.3 mi	5.00 pCi/L	1

Vilas County Radon Profile

EPA mapping assigns Vilas County to Radon Zone 2, indicating moderate predicted indoor screening levels in the 2 to 4 pCi/L range based on regional geology. Homeowner-submitted tests from 5 cities in Vilas County average 7.67 pCi/L across 6 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 Vilas County home regardless of zone or a neighbor's results.

Radon FAQ for Star Lake, WI

What EPA Radon Zone is Star Lake in?

Star Lake and the 54561 zip code are in Vilas 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.

Why are radon readings shown from areas near Star Lake?

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

Radon mitigation in Star Lake 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 Star Lake?

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.