Side Lake, MN Radon Levels

Q: What EPA Radon Zone is Side Lake in?

Side Lake is in St Louis County, EPA Zone Unknown.

Q: How much does radon mitigation cost in Side Lake?

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

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

Side Lake, MN Radon Facts

EPA Radon Zone Unknown Unknown

County St Louis County, MN

Zip Code 55781

Side Lake in St Louis County, part of the Duluth Metro area, sits on ancient granite bedrock of the Canadian Shield that can produce elevated radon levels. This northern Minnesota community features many seasonal cabins and year-round homes, often with walkout basements built into rocky terrain. With radon testing data currently unavailable for zip code 55781, property owners should conduct measurements to determine their specific radon exposure levels.

5.00

pCi/L area average

Above EPA Action Level

St Louis County average: 5.00 pCi/L, based on 2 user-submitted tests across 1 city in the county. No homeowner readings have been submitted for Side Lake 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+

Side Lake, 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 Side Lake, MN

No homeowner tests have been submitted for Side Lake 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
Deer River	42.5 mi	10.00 pCi/L	1
Duluth	74.2 mi	5.00 pCi/L	2

St Louis County Radon Profile

St Louis County has not been assigned a definitive EPA radon zone, so the agency recommends that every home be tested regardless of predicted risk. Homeowner-submitted tests from 1 city in St Louis County average 5.00 pCi/L across 2 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in St Louis County.

Radon FAQ for Side Lake, MN

What EPA Radon Zone is Side Lake in?

Side Lake and the 55781 zip code are in St Louis County, which has an EPA assigned Radon Zone of Unknown. A zone of Unknown does not have sufficient data for classification.

Why are radon readings shown from areas near Side Lake?

No homeowner radon tests have been submitted for Side Lake yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the St Louis County average—are the best available indicator of local conditions until Side Lake 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 Side Lake?

Radon mitigation in Side Lake 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 Side Lake?

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.