Backus, MN Radon Levels

Q: What EPA Radon Zone is Backus in?

Backus is in Cass County, EPA Zone 2.

Q: Why are radon readings shown from areas near Backus?

No homeowner radon tests have been submitted for Backus yet, so readings from the closest cities and the Cass County average are used as the best available indicator of local conditions. The EPA recommends testing every individual home.

Q: How much does radon mitigation cost in Backus?

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

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

Backus, MN Radon Facts

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

County Cass County, MN

Zip Code 56435

Situated in north-central Minnesota's Cass County lake country, Backus falls within EPA Zone 2 where moderate radon levels reflect the region's glacial geology. The area's sandy glacial outwash deposits over granite bedrock can produce variable radon conditions, particularly affecting homes with basements. With no current testing data available for this small community, residents should conduct radon testing to understand their property's specific risk level.

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 Backus 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+

Backus, 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 Backus, MN

No homeowner tests have been submitted for Backus 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
Hackensack	9.6 mi	4.00 pCi/L	2
Longville	14.2 mi	7.50 pCi/L	2
Walker	17.5 mi	4.00 pCi/L	1
Pequot Lakes	17.9 mi	8.00 pCi/L	1
Crosslake	18.9 mi	9.00 pCi/L	1
Nevis	21.7 mi	4.00 pCi/L	1
Nisswa	26.5 mi	4.00 pCi/L	1
Laporte	31.1 mi	4.00 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 Backus, MN

What EPA Radon Zone is Backus in?

Backus and the 56435 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 Backus?

No homeowner radon tests have been submitted for Backus 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 Backus 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 Backus?

Radon mitigation in Backus 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 Backus?

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.