Fountain, MN Radon Levels

Q: What EPA Radon Zone is Fountain in?

Fountain is in Fillmore County, EPA Zone 1.

Q: How much does radon mitigation cost in Fountain?

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

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

Fountain, MN Radon Facts

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

County Fillmore County, MN

Zip Code 55935

Nestled in Fillmore County within the Rochester Metro area, Fountain sits atop karst limestone geology that characterizes southeastern Minnesota's high radon potential. The community falls within EPA Zone 1, where underground limestone caves and fractures can channel radon gas into homes through foundation cracks. Professional radon testing is crucial for all properties in this ZIP code 55935 area, given the region's geological predisposition to elevated indoor radon levels.

6.71

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 6.71 pCi/L, based on 7 tests from 6 nearby cities. No readings have been submitted for Fountain 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+

Fountain, MN Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

Need Radon Mitigation or Testing in Fountain?

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Radon Readings Near Fountain, MN

No homeowner tests have been submitted for Fountain 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
Le Roy	22.7 mi	8.00 pCi/L	1
Winona	30.3 mi	10.00 pCi/L	1
Minnesota City	31.6 mi	7.00 pCi/L	1
La Crescent	41.3 mi	7.50 pCi/L	2
Lyle	41.8 mi	3.00 pCi/L	1
Blooming Prairie	47.3 mi	4.00 pCi/L	1

Fillmore County Radon Profile

Because of its underlying geology, Fillmore County is mapped as EPA Radon Zone 1 — the most elevated classification — where predicted indoor screening averages exceed 4 pCi/L. Direct test data for Fillmore County remains limited, so the closest neighboring readings are used here to represent the radon conditions homeowners are likely to encounter. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Fillmore County home regardless of zone or a neighbor's results.

Radon FAQ for Fountain, MN

What EPA Radon Zone is Fountain in?

Fountain and the 55935 zip code are in Fillmore 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 Fountain?

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

Radon mitigation in Fountain 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 Fountain?

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.