Delavan, MN Radon Levels

Q: What EPA Radon Zone is Delavan in?

Delavan is in Faribault County, EPA Zone 1.

Q: How much does radon mitigation cost in Delavan?

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

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

Delavan, MN Radon Facts

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

County Faribault County, MN

Zip Code 56023

Located in Faribault County in southern Minnesota, Delavan sits in an EPA Zone 1 area where elevated radon levels are common. With limited testing data available for zip code 56023, homeowners should prioritize radon testing regardless of home age or foundation type. The region's glacial geology and agricultural setting create conditions where radon gas can readily migrate through soil into residential foundations.

6.50

pCi/L area average

Above EPA Action Level

Faribault County average: 6.50 pCi/L, based on 2 user-submitted tests across 2 cities in the county. No homeowner readings have been submitted for Delavan 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+

Delavan, 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 Delavan, MN

No homeowner tests have been submitted for Delavan 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
Blue Earth	9.8 mi	7.00 pCi/L	1
Wells	14.6 mi	6.00 pCi/L	1
Fairmont	23.3 mi	8.00 pCi/L	1
Mankato	28.6 mi	14.00 pCi/L	1
Albert Lea	33.6 mi	7.00 pCi/L	1
Nicollet	35.5 mi	2.00 pCi/L	1
Blooming Prairie	48.7 mi	4.00 pCi/L	1
Sleepy Eye	49.7 mi	12.00 pCi/L	1

Faribault County Radon Profile

The bedrock and soils beneath Faribault County are classified by the EPA as Radon Zone 1, the highest-risk tier, with predicted average indoor screening levels above 4 pCi/L. Homeowner-submitted tests from 2 cities in Faribault County average 6.50 pCi/L across 2 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Faribault County.

Radon FAQ for Delavan, MN

What EPA Radon Zone is Delavan in?

Delavan and the 56023 zip code are in Faribault 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 Delavan?

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

Radon mitigation in Delavan 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 Delavan?

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.