Janesville, MN Radon Mitigation and Testing

Q: What EPA Radon Zone is Janesville in?

Janesville is in Waseca County, EPA Zone 1.

Q: How much does radon mitigation cost in Janesville?

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

Waseca County

EPA Zone 1

Located in south-central Minnesota's Waseca County, Janesville sits on deep glacial deposits over sedimentary bedrock formations. The community features small-town residential properties, many with full basements standard to Minnesota's northern climate construction practices. While testing data for zip code 56048 remains limited, residents should conduct radon testing given Minnesota's variable radon conditions and the geological characteristics that can contribute to gas accumulation in basement spaces.

Janesville, MN Radon Mitigation

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

Janesville, MN Radon Testing

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

Janesville Radon Facts

Key details about the radon risk profile for Janesville and the 56048 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Waseca County, MN

Zip Code

56048

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Janesville and the 56048 zip code are located in Waseca 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 Janesville, MN

What EPA Radon Zone is Janesville in?

Janesville and the 56048 zip code are in Waseca 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 Janesville?

Radon mitigation in Janesville 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 Janesville?

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 Minnesota

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Savage	5.00 pCi/L	3
Faribault	10.00 pCi/L	2
Shakopee	6.50 pCi/L	2
Minneapolis	5.00 pCi/L	2
Lakeville	6.00 pCi/L	1
Delano	5.00 pCi/L	1
Montgomery	5.00 pCi/L	1
Rosemount	No submissions	0