Springfield, MN Radon Levels

Q: What EPA Radon Zone is Springfield in?

Springfield is in Brown County, EPA Zone 1.

Q: How much does radon mitigation cost in Springfield?

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

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

Springfield, MN Radon Facts

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

County Brown County, MN

Zip Code 56087

Springfield in Brown County occupies the Minnesota River valley, where glacial deposits over sedimentary bedrock create moderate radon potential across this rural farming community. The town's housing mix includes both historic farmsteads and modern residential development, each presenting different foundation characteristics that influence radon entry rates. Since testing data for the 56087 area is currently limited, local homeowners should prioritize radon testing to understand their individual exposure levels.

12.00

pCi/L area average

Above EPA Action Level

Brown County average: 12.00 pCi/L, based on 1 user-submitted test across 1 city in the county. No homeowner readings have been submitted for Springfield 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+

Springfield, 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 Springfield?

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Radon Readings Near Springfield, MN

No homeowner tests have been submitted for Springfield 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
Sleepy Eye	12.9 mi	12.00 pCi/L	1
Nicollet	39.3 mi	2.00 pCi/L	1
Stewart	42.9 mi	4.00 pCi/L	1
Mankato	46.4 mi	14.00 pCi/L	1
Fairmont	48.8 mi	8.00 pCi/L	1

Brown County Radon Profile

Because of its underlying geology, Brown 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 1 city in Brown County average 12.00 pCi/L across 1 test — 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 Brown County home regardless of zone or a neighbor's results.

Radon FAQ for Springfield, MN

What EPA Radon Zone is Springfield in?

Springfield and the 56087 zip code are in Brown 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 Springfield?

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

Radon mitigation in Springfield 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 Springfield?

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.