Richfield, WI Radon Mitigation and Testing

Q: What EPA Radon Zone is Richfield in?

Richfield is in Washington County, EPA Zone 1.

Q: How much does radon mitigation cost in Richfield?

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

Washington County

EPA Zone 1

Positioned in Washington County within the Milwaukee Metro area, Richfield lies in a high-risk radon zone where glacial deposits create favorable conditions for radon production and accumulation. Current testing data for zip code 53076 is limited, emphasizing the need for individual property evaluation. Wisconsin's geology combined with the area's prevalence of basement homes creates environments where radon levels can easily exceed EPA action thresholds without proper testing and mitigation.

Richfield, WI Radon Mitigation

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

Richfield, WI Radon Testing

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

Richfield Radon Facts

Key details about the radon risk profile for Richfield and the 53076 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Washington County, WI

Zip Code

53076

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Richfield and the 53076 zip code are located in Washington 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 Richfield, WI

What EPA Radon Zone is Richfield in?

Richfield and the 53076 zip code are in Washington 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 Richfield?

Radon mitigation in Richfield 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 Richfield?

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