Port Wing, WI Radon Mitigation and Testing

Q: What EPA Radon Zone is Port Wing in?

Port Wing is in Bayfield County, EPA Zone 2.

Q: How much does radon mitigation cost in Port Wing?

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

Bayfield County

EPA Zone 2

Positioned along Lake Superior in Bayfield County, Port Wing sits on glacial lake deposits and ancient bedrock formations of northern Wisconsin. Testing data for zip code 54865 is currently unavailable, making individual home testing important for residents. The area's combination of seasonal homes and year-round residences, along with varied foundation types and the region's geological conditions, can influence radon entry patterns.

Port Wing, WI Radon Mitigation

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

Port Wing, WI Radon Testing

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

Port Wing Radon Facts

Key details about the radon risk profile for Port Wing and the 54865 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Bayfield County, WI

Zip Code

54865

Predicted Screening Level

2–4 pCi/L (Zone 2)

Port Wing and the 54865 zip code are located in Bayfield 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 Port Wing, WI

What EPA Radon Zone is Port Wing in?

Port Wing and the 54865 zip code are in Bayfield 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 Port Wing?

Radon mitigation in Port Wing 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 Port Wing?

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