Ripon, WI Radon Mitigation and Testing

Q: What EPA Radon Zone is Ripon in?

Ripon is in Fond Du Lac County, EPA Zone 1.

Q: How much does radon mitigation cost in Ripon?

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

Fond Du Lac County

EPA Zone 1

Part of Wisconsin's Fond Du Lac County in the Oshkosh Metro area, Ripon sits on glacial deposits that can create favorable conditions for radon accumulation throughout the region. The city's mix of historic homes and newer construction, many featuring full basements common in Wisconsin, provides enclosed spaces where radon can concentrate. With limited testing data available for zip code 54971, homeowners should prioritize radon testing given the area's glacial geology.

Ripon, WI Radon Mitigation

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

Ripon, WI Radon Testing

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

Ripon Radon Facts

Key details about the radon risk profile for Ripon and the 54971 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Fond Du Lac County, WI

Zip Code

54971

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Ripon and the 54971 zip code are located in Fond Du Lac County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Ripon, WI

What EPA Radon Zone is Ripon in?

Ripon and the 54971 zip code are in Fond Du Lac County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

How much does radon mitigation cost in Ripon?

Radon mitigation in Ripon 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 Ripon?

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