Waterville, MN Radon Levels

Q: What EPA Radon Zone is Waterville in?

Waterville is in Le Sueur County, EPA Zone 1.

Q: How much does radon mitigation cost in Waterville?

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

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

Waterville, MN Radon Facts

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

County Le Sueur County, MN

Zip Code 56096

Found in Le Sueur County within the Minneapolis-St. Paul Metro area, Waterville sits on Minnesota's glacial prairie where radon potential varies with local geology. Testing data for zip code 56096 is currently limited, emphasizing the need for individual home assessment. The community's rural-suburban character and diverse foundation types require site-specific radon evaluation.

7.67

pCi/L area average

Above EPA Action Level

Le Sueur County average: 7.67 pCi/L, based on 3 user-submitted tests across 2 cities in the county. No homeowner readings have been submitted for Waterville 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+

Waterville, 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 Waterville, MN

No homeowner tests have been submitted for Waterville 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
Montgomery	14.6 mi	5.00 pCi/L	1
Faribault	15.3 mi	10.00 pCi/L	2
New Prague	21.9 mi	9.00 pCi/L	2
Mankato	23.4 mi	14.00 pCi/L	1
Northfield	25.9 mi	4.50 pCi/L	2
Elko New Market	26.6 mi	3.00 pCi/L	1
Nicollet	30.5 mi	2.00 pCi/L	1
Blooming Prairie	34.1 mi	4.00 pCi/L	1

Le Sueur County Radon Profile

Le Sueur County falls in EPA Radon Zone 1, meaning the local uranium-bearing geology is predicted to drive average indoor radon screening levels above the EPA's 4 pCi/L action threshold. Homeowner-submitted tests from 2 cities in Le Sueur County average 7.67 pCi/L across 3 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Le Sueur County to test, as levels can differ between neighboring homes.

Radon FAQ for Waterville, MN

What EPA Radon Zone is Waterville in?

Waterville and the 56096 zip code are in Le Sueur 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 Waterville?

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

Radon mitigation in Waterville 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 Waterville?

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.