Byron, MN Radon Levels

Q: What EPA Radon Zone is Byron in?

Byron is in Olmsted County, EPA Zone 1.

Q: Why are radon readings shown from areas near Byron?

No homeowner radon tests have been submitted for Byron yet, so readings from the closest cities and the Olmsted County average are used as the best available indicator of local conditions. The EPA recommends testing every individual home.

Q: How much does radon mitigation cost in Byron?

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

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

Byron, MN Radon Facts

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

County Olmsted County, MN

Zip Code 55920

Part of the Rochester metropolitan area in Olmsted County, Byron sits on southeastern Minnesota's limestone and sandstone bedrock formations that can influence radon levels in homes. The zip code 55920 community features predominantly newer suburban construction with full basements, creating enclosed below-grade spaces where radon can accumulate. Although local testing data is currently limited, the geological context and basement prevalence make radon testing a prudent precaution for area homeowners.

7.08

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 7.08 pCi/L, based on 12 tests from 9 nearby cities. No readings have been submitted for Byron 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+

Byron, 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 Byron, MN

No homeowner tests have been submitted for Byron 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
Blooming Prairie	23.5 mi	4.00 pCi/L	1
Le Roy	35.5 mi	8.00 pCi/L	1
Faribault	36.8 mi	10.00 pCi/L	2
Lyle	38.1 mi	3.00 pCi/L	1
Northfield	39.4 mi	4.50 pCi/L	2
Minnesota City	44.3 mi	7.00 pCi/L	1
Albert Lea	45.4 mi	7.00 pCi/L	1
Winona	46.2 mi	10.00 pCi/L	1

Olmsted County Radon Profile

Olmsted 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. Few homeowner tests have been logged inside Olmsted County so far, which is why this page draws on the nearest recorded readings to illustrate regional radon levels. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Olmsted County to test, as levels can differ between neighboring homes.

Radon FAQ for Byron, MN

What EPA Radon Zone is Byron in?

Byron and the 55920 zip code are in Olmsted 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 Byron?

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

Radon mitigation in Byron 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 Byron?

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.