Platteville, WI Radon Mitigation and Testing

Q: What EPA Radon Zone is Platteville in?

Platteville is in Grant County, EPA Zone 1.

Q: How much does radon mitigation cost in Platteville?

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

Grant County

EPA Zone 1

Historic Platteville in Grant County sits in Wisconsin's Driftless Area, where thin soils over limestone and dolomite bedrock create some of the nation's highest radon potential. Testing data for the 53818 area is limited, but the geological conditions strongly favor significant radon gas production and accumulation. Homeowners throughout this Madison Metro community should prioritize radon testing, as the region's unique karst geology and older homes with stone foundations create ideal conditions for radon entry.

Platteville, WI Radon Mitigation

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

Platteville, WI Radon Testing

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

Platteville Radon Facts

Key details about the radon risk profile for Platteville and the 53818 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Grant County, WI

Zip Code

53818

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Platteville and the 53818 zip code are located in Grant 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 Platteville, WI

What EPA Radon Zone is Platteville in?

Platteville and the 53818 zip code are in Grant 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 Platteville?

Radon mitigation in Platteville 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 Platteville?

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