Mountain Lake, MN Radon Levels

Q: What EPA Radon Zone is Mountain Lake in?

Mountain Lake is in Cottonwood County, EPA Zone 1.

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

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

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

Mountain Lake, MN Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Cottonwood County, MN

Zip Code 56159

Located in southwestern Minnesota's Cottonwood County, Mountain Lake sits in prairie region where glacial till deposits over sedimentary bedrock create moderate radon potential. Current testing data for zip code 56159 is insufficient to establish local patterns, making individual home testing crucial for residents. The area's predominantly older housing stock, many homes built with basement foundations, may be particularly vulnerable to radon accumulation through soil gas entry.

8.60

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 8.60 pCi/L, based on 5 tests from 5 nearby cities. No readings have been submitted for Mountain Lake yet, so the closest recorded data is shown as a benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Mountain 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 Mountain Lake, MN

No homeowner tests have been submitted for Mountain 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
Sleepy Eye	25.7 mi	12.00 pCi/L	1
Fairmont	31.6 mi	8.00 pCi/L	1
Nicollet	43.4 mi	2.00 pCi/L	1
Blue Earth	46.5 mi	7.00 pCi/L	1
Mankato	47.0 mi	14.00 pCi/L	1

Cottonwood County Radon Profile

The bedrock and soils beneath Cottonwood County are classified by the EPA as Radon Zone 1, the highest-risk tier, with predicted average indoor screening levels above 4 pCi/L. User-submitted readings are still sparse within Cottonwood County itself, so the nearby measurements shown on this page provide the closest real-world picture of local radon conditions. 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 Cottonwood County.

Radon FAQ for Mountain Lake, MN

What EPA Radon Zone is Mountain Lake in?

Mountain Lake and the 56159 zip code are in Cottonwood County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

Why are radon readings shown from areas near Mountain Lake?

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

Radon mitigation in Mountain 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 Mountain 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.