Federal Dam, MN Radon Levels

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.

Check local Federal Dam radon levels and find certified testing and mitigation professionals to keep your home safe

Federal Dam, MN Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Cass County, MN

Zip Code 56641

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.

5.67

pCi/L area average

Above EPA Action Level

Cass County average: 5.67 pCi/L, based on 6 user-submitted tests across 4 cities in the county. No homeowner readings have been submitted for Federal Dam itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Federal Dam, MN Radon Mitigation

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

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Radon Readings Near Federal Dam, MN

No homeowner tests have been submitted for Federal Dam yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.

City	Distance	Avg User Level	Readings
Longville	12.9 mi	7.50 pCi/L	2
Walker	17.4 mi	4.00 pCi/L	1
Hackensack	19.0 mi	4.00 pCi/L	2
Deer River	22.6 mi	10.00 pCi/L	1
Laporte	24.5 mi	4.00 pCi/L	1
Nevis	33.6 mi	4.00 pCi/L	1
Crosslake	37.2 mi	9.00 pCi/L	1
Pequot Lakes	40.2 mi	8.00 pCi/L	1

Cass County Radon Profile

EPA mapping assigns Cass County to Radon Zone 2, indicating moderate predicted indoor screening levels in the 2 to 4 pCi/L range based on regional geology. Homeowner-submitted tests from 4 cities in Cass County average 5.67 pCi/L across 6 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Cass County home regardless of zone or a neighbor's results.

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.

Why are radon readings shown from areas near Federal Dam?

No homeowner radon tests have been submitted for Federal Dam yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Cass County average—are the best available indicator of local conditions until Federal Dam homeowners submit their own results. The EPA still recommends testing every individual home, since levels can vary significantly from house to house.

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.