Lake Tomahawk, WI Radon Mitigation and Testing

Q: What EPA Radon Zone is Lake Tomahawk in?

Lake Tomahawk is in Oneida County, EPA Zone 2.

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

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

Oneida County

EPA Zone 2

Nestled in Wisconsin's Northwoods, this Oneida County community sits on glacial deposits over Precambrian bedrock formations. Testing data for radon levels in the 54539 area remains limited, making individual home testing essential given the region's geological characteristics. Many seasonal and year-round homes in this lake community have basements or crawl spaces that require radon evaluation.

Lake Tomahawk, WI Radon Mitigation

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

Lake Tomahawk, WI Radon Testing

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

Lake Tomahawk Radon Facts

Key details about the radon risk profile for Lake Tomahawk and the 54539 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Oneida County, WI

Zip Code

54539

Predicted Screening Level

2–4 pCi/L (Zone 2)

Lake Tomahawk and the 54539 zip code are located in Oneida 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 Lake Tomahawk, WI

What EPA Radon Zone is Lake Tomahawk in?

Lake Tomahawk and the 54539 zip code are in Oneida 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 Lake Tomahawk?

Radon mitigation in Lake 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 Lake 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.

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