Sartell, MN Radon Levels

Q: What EPA Radon Zone is Sartell in?

Sartell is in Stearns County, EPA Zone 1.

Q: How much does radon mitigation cost in Sartell?

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

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

Sartell, MN Radon Facts

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

County Stearns County, MN

Zip Code 56377

Growing Sartell in Stearns County within the St. Cloud Metro area sits along the Mississippi River where glacial drift and river valley geology create diverse soil conditions. Testing data for zip code 56377 remains limited despite the community's expanding residential development. Homeowners should test their properties, particularly important in newer subdivisions where radon-resistant construction features may need activation or in older homes with traditional basement foundations.

4.50

pCi/L area average

Above EPA Action Level

Stearns County average: 4.50 pCi/L, based on 2 user-submitted tests across 2 cities in the county. No homeowner readings have been submitted for Sartell 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+

Sartell, 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 Sartell, MN

No homeowner tests have been submitted for Sartell 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
Holdingford	13.4 mi	5.00 pCi/L	1
Cold Spring	16.6 mi	4.00 pCi/L	1
Watkins	24.7 mi	5.00 pCi/L	1
Milaca	29.3 mi	4.00 pCi/L	1
Big Lake	30.1 mi	7.00 pCi/L	1
Monticello	30.6 mi	10.00 pCi/L	1
Buffalo	35.5 mi	11.00 pCi/L	1
Loretto	44.9 mi	6.00 pCi/L	1

Stearns County Radon Profile

Because of its underlying geology, Stearns County is mapped as EPA Radon Zone 1 — the most elevated classification — where predicted indoor screening averages exceed 4 pCi/L. Homeowner-submitted tests from 2 cities in Stearns County average 4.50 pCi/L across 2 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Stearns County home regardless of zone or a neighbor's results.

Radon FAQ for Sartell, MN

What EPA Radon Zone is Sartell in?

Sartell and the 56377 zip code are in Stearns 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 Sartell?

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

Radon mitigation in Sartell 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 Sartell?

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.