Tomahawk, WI Radon Levels

Q: What EPA Radon Zone is Tomahawk in?

Tomahawk is in Lincoln County, EPA Zone 2.

Q: How much does radon mitigation cost in Tomahawk?

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

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

Tomahawk, WI Radon Facts

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

County Lincoln County, WI

Zip Code 54487

Set in Lincoln County's north woods region, Tomahawk sits within EPA Zone 2 where glacial outwash over granite bedrock creates moderate radon potential. This northwoods community features lake homes and year-round residences, many with full basements designed for Wisconsin's harsh winters. Since comprehensive testing data for zip code 54487 is not available, property owners should conduct radon testing as granite-based soils can produce variable radon concentrations.

4.00

pCi/L area average

Above EPA Action Level

Lincoln County average: 4.00 pCi/L, based on 2 user-submitted tests across 1 city in the county. No homeowner readings have been submitted for Tomahawk 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+

Tomahawk, 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 Tomahawk, WI

No homeowner tests have been submitted for Tomahawk 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
Gleason	16.4 mi	4.00 pCi/L	2
Rhinelander	21.9 mi	9.00 pCi/L	1
Minocqua	26.0 mi	5.00 pCi/L	1
Woodruff	29.2 mi	4.00 pCi/L	1
Saint Germain	31.4 mi	5.00 pCi/L	1
Deerbrook	31.8 mi	8.00 pCi/L	1
Sayner	35.3 mi	6.50 pCi/L	2
Pearson	35.7 mi	7.00 pCi/L	1

Lincoln County Radon Profile

Lincoln County is mapped as EPA Radon Zone 2, where the local geology is predicted to produce moderate indoor screening levels between 2 and 4 pCi/L. Homeowner-submitted tests from 1 city in Lincoln 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. 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 Lincoln County.

Radon FAQ for Tomahawk, WI

What EPA Radon Zone is Tomahawk in?

Tomahawk and the 54487 zip code are in Lincoln 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 Tomahawk?

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

Radon mitigation in Tomahawk 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 Tomahawk?

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.