Mercer, WI Radon Mitigation and Testing

Q: What EPA Radon Zone is Mercer in?

Mercer is in Iron County, EPA Zone 2.

Q: How much does radon mitigation cost in Mercer?

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

Iron County

EPA Zone 2

Located in Iron County within Wisconsin's Northwoods region, Mercer sits atop Precambrian bedrock and glacial deposits that can influence radon levels in area homes. Though testing data for the 54547 zip code remains limited, the area's EPA Zone 2 classification indicates moderate radon potential. Lake country homes with basements should consider radon testing, particularly older properties with stone or block foundations.

Mercer, WI Radon Mitigation

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

Mercer, WI Radon Testing

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

Mercer Radon Facts

Key details about the radon risk profile for Mercer and the 54547 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Iron County, WI

Zip Code

54547

Predicted Screening Level

2–4 pCi/L (Zone 2)

Mercer and the 54547 zip code are located in Iron 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 Mercer, WI

What EPA Radon Zone is Mercer in?

Mercer and the 54547 zip code are in Iron 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 Mercer?

Radon mitigation in Mercer 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 Mercer?

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