Cotton, MN Radon Levels

Q: What EPA Radon Zone is Cotton in?

Cotton is in St Louis County, EPA Zone Unknown.

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

No homeowner radon tests have been submitted for Cotton yet, so readings from the closest cities and the St Louis 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 Cotton?

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

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

Cotton, MN Radon Facts

EPA Radon Zone Unknown Unknown

County St Louis County, MN

Zip Code 55724

Situated in northern Minnesota's St. Louis County within the Duluth Metro area, Cotton is surrounded by the region's characteristic granite bedrock and glacial till deposits. These geological formations, combined with the area's typically cooler climate that increases indoor air pressure differentials, create conditions where radon can accumulate in basements and lower levels. With testing data for zip code 55724 currently unavailable, local homeowners should conduct radon testing to assess their individual risk.

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 Cotton 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+

Cotton, 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 Cotton, MN

No homeowner tests have been submitted for Cotton 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
Cloquet	27.9 mi	8.50 pCi/L	2
Duluth	28.9 mi	5.00 pCi/L	2
Carlton	34.8 mi	6.00 pCi/L	1

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 Cotton, MN

What EPA Radon Zone is Cotton in?

Cotton and the 55724 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 Cotton?

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

Radon mitigation in Cotton 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 Cotton?

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.