Frontenac, MN Radon Levels

Q: What EPA Radon Zone is Frontenac in?

Frontenac is in Goodhue County, EPA Zone 1.

Q: How much does radon mitigation cost in Frontenac?

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

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

Frontenac, MN Radon Facts

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

County Goodhue County, MN

Zip Code 55026

Historic Goodhue County river town Frontenac occupies EPA Zone 1 territory along the Mississippi River bluffs in southeastern Minnesota. With testing data unavailable for this 55026 community, residents should prioritize professional radon assessment. Minnesota's combination of glacial deposits over limestone bedrock can produce high radon concentrations, particularly in older homes with basement foundations.

7.06

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 7.06 pCi/L, based on 18 tests from 10 nearby cities. No readings have been submitted for Frontenac 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+

Frontenac, 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 Frontenac, MN

No homeowner tests have been submitted for Frontenac 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
Hastings	28.2 mi	8.50 pCi/L	2
Cottage Grove	35.7 mi	7.00 pCi/L	2
Northfield	40.1 mi	4.50 pCi/L	2
Farmington	40.4 mi	7.50 pCi/L	2
Lake Elmo	42.4 mi	4.00 pCi/L	1
Minnesota City	42.9 mi	7.00 pCi/L	1
Lakeville	45.5 mi	6.00 pCi/L	1
Winona	46.9 mi	10.00 pCi/L	1

Goodhue County Radon Profile

Because of its underlying geology, Goodhue 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 Goodhue 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 Goodhue County home regardless of zone or a neighbor's results.

Radon FAQ for Frontenac, MN

What EPA Radon Zone is Frontenac in?

Frontenac and the 55026 zip code are in Goodhue 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 Frontenac?

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

Radon mitigation in Frontenac 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 Frontenac?

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.