Federal Dam, MN Radon Mitigation and Testing

Q: What EPA Radon Zone is Federal Dam in?

Federal Dam is in Cass County, EPA Zone 2.

Q: How much does radon mitigation cost in Federal Dam?

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

Cass County

EPA Zone 2

Positioned in Cass County within Minnesota's north-central lake region, this small community sits atop glacial deposits that can produce moderate radon levels. Current testing data is limited for the 56641 zip code area, encouraging residents to conduct individual home assessments. The area's mix of seasonal and year-round housing, often featuring crawl spaces or partial basements, creates varied radon entry potential.

Federal Dam, MN Radon Mitigation

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

Federal Dam, MN Radon Testing

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

Federal Dam Radon Facts

Key details about the radon risk profile for Federal Dam and the 56641 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Cass County, MN

Zip Code

56641

Predicted Screening Level

2–4 pCi/L (Zone 2)

Federal Dam and the 56641 zip code are located in Cass 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 Federal Dam, MN

What EPA Radon Zone is Federal Dam in?

Federal Dam and the 56641 zip code are in Cass 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 Federal Dam?

Radon mitigation in Federal Dam 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 Federal Dam?

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