De Pere, WI Radon Mitigation and Testing

Q: What EPA Radon Zone is De Pere in?

De Pere is in Brown County, EPA Zone 2.

Q: How much does radon mitigation cost in De Pere?

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

Brown County

EPA Zone 2

Situated along the Fox River in Brown County within the Appleton Metro, De Pere sits on glacial deposits over dolomite bedrock that create moderate radon potential in northeastern Wisconsin. While testing data for zip code 54115 remains limited, the area's geological conditions suggest some possibility for elevated readings. This growing community's mix of historic and newer homes, many with full basements, would benefit from radon testing to ensure safe indoor air quality.

De Pere, WI Radon Mitigation

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

De Pere, WI Radon Testing

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

De Pere Radon Facts

Key details about the radon risk profile for De Pere and the 54115 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Brown County, WI

Zip Code

54115

Predicted Screening Level

2–4 pCi/L (Zone 2)

De Pere and the 54115 zip code are located in Brown 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 De Pere, WI

What EPA Radon Zone is De Pere in?

De Pere and the 54115 zip code are in Brown 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 De Pere?

Radon mitigation in De Pere 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 De Pere?

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