New Ulm, MN Radon Levels

Q: What EPA Radon Zone is New Ulm in?

New Ulm is in Brown County, EPA Zone 1.

Q: How much does radon mitigation cost in New Ulm?

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

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

New Ulm, MN Radon Facts

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

County Brown County, MN

Zip Code 56073

Located in Brown County in south-central Minnesota, New Ulm sits within the state's high radon potential zone where glacial till deposits over sedimentary bedrock create conditions highly favorable for radon accumulation. Testing data for zip code 56073 is currently limited, making individual home testing crucial for residents. Minnesota's glacial geology consistently produces elevated radon levels throughout much of the state, particularly in areas with full basements common to this region's housing stock.

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 New Ulm 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+

New Ulm, 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 New Ulm, MN

No homeowner tests have been submitted for New Ulm yet, so the closest user-submitted readings from neighboring communities are shown below. Radon varies by home — testing is the only way to know your level.

Radon Level	City	Distance	Home Age	Foundation	Submitted
12 pCi/L	Sleepy Eye, MN	13.1 mi	51-99 Years	Partial Basement	Feb 2023
2 pCi/L	Nicollet, MN	13.9 mi	0-20 Years	Partial Basement	Feb 2021
14 pCi/L	Mankato, MN	22.3 mi	51-99 Years	Full Basement	Dec 2023
4 pCi/L	Stewart, MN	29.1 mi	100+ Years	Full Basement	Dec 2020

Readings are drawn from the nearest cities with submitted data. Have a result for New Ulm? Submit your reading to help your neighbors.

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 New Ulm, MN

What EPA Radon Zone is New Ulm in?

New Ulm and the 56073 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 New Ulm?

No homeowner radon tests have been submitted for New Ulm 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 New Ulm 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 New Ulm?

Radon mitigation in New Ulm 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 New Ulm?

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.

Radon Levels Near New Ulm, MN

User-submitted radon levels from the cities closest to New Ulm with recorded test data. Explore nearby communities to compare local readings.

City	Distance	Avg User Level	Submissions
Sleepy Eye	13.1 mi	12.00 pCi/L	1
Nicollet	13.9 mi	2.00 pCi/L	1
Mankato	22.3 mi	14.00 pCi/L	1