Mountain Iron, MN Radon Levels

Q: What EPA Radon Zone is Mountain Iron in?

Mountain Iron is in St Louis County, EPA Zone Unknown.

Q: How much does radon mitigation cost in Mountain Iron?

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

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

Mountain Iron, MN Radon Facts

EPA Radon Zone Unknown Unknown

County St Louis County, MN

Zip Code 55768

Part of the Duluth Metro area in St. Louis County, Mountain Iron sits on Minnesota's Iron Range where Precambrian bedrock and iron ore deposits influence local radon conditions. While specific testing data for zip code 55768 is limited, the area's geological complexity warrants individual home testing for all residents. The community's housing stock, including older miners' homes and newer developments, requires radon assessment given the region's varied mineral composition and foundation types.

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 Mountain Iron 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+

Mountain Iron, 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 Mountain Iron, MN

No homeowner tests have been submitted for Mountain Iron 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
Duluth	55.2 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 Mountain Iron, MN

What EPA Radon Zone is Mountain Iron in?

Mountain Iron and the 55768 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 Mountain Iron?

No homeowner radon tests have been submitted for Mountain Iron 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 Mountain Iron 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 Mountain Iron?

Radon mitigation in Mountain Iron 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 Mountain Iron?

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.