Edgar, WI Radon Mitigation and Testing

Q: What EPA Radon Zone is Edgar in?

Edgar is in Marathon County, EPA Zone 1.

Q: How much does radon mitigation cost in Edgar?

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

Marathon County

EPA Zone 1

This small Marathon County community sits within Wisconsin's north-central region, where glacial deposits over crystalline bedrock create geological conditions that can produce significant radon levels. Testing data for Edgar in zip code 54426 is currently limited, emphasizing the importance of individual home testing. Wisconsin's cold climate and typical construction with full basements create conditions where radon can concentrate during heating seasons.

Edgar, WI Radon Mitigation

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

Edgar, WI Radon Testing

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

Edgar Radon Facts

Key details about the radon risk profile for Edgar and the 54426 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Marathon County, WI

Zip Code

54426

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Edgar and the 54426 zip code are located in Marathon 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 Edgar, WI

What EPA Radon Zone is Edgar in?

Edgar and the 54426 zip code are in Marathon 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 Edgar?

Radon mitigation in Edgar 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 Edgar?

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