Plainfield, WI Radon Mitigation and Testing

Q: What EPA Radon Zone is Plainfield in?

Plainfield is in Waushara County, EPA Zone 2.

Q: How much does radon mitigation cost in Plainfield?

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

Waushara County

EPA Zone 2

Found in Waushara County in central Wisconsin, Plainfield (54966) sits over glacial deposits and sandstone bedrock that can influence radon gas migration. Current testing data for this rural community remains limited, providing little insight into local radon conditions. Wisconsin's diverse geological landscape makes individual home testing important, especially for properties with the basement foundations common throughout the region.

Plainfield, WI Radon Mitigation

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

Plainfield, WI Radon Testing

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

Plainfield Radon Facts

Key details about the radon risk profile for Plainfield and the 54966 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Waushara County, WI

Zip Code

54966

Predicted Screening Level

2–4 pCi/L (Zone 2)

Plainfield and the 54966 zip code are located in Waushara 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 Plainfield, WI

What EPA Radon Zone is Plainfield in?

Plainfield and the 54966 zip code are in Waushara 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 Plainfield?

Radon mitigation in Plainfield 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 Plainfield?

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