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Steen, MN Radon Levels

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


Steen, MN Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Rock County, MN
Zip Code 56173

Located in Rock County within the Sioux Falls Metro area, Steen sits atop Sioux Quartzite bedrock and glacial till deposits that typically produce lower radon levels. While testing data for zip code 56173 remains limited, the geological setting generally favors moderate radon potential. Homeowners should still consider testing to establish baseline readings.

8.50
pCi/L area average
Above EPA Action Level

Rock County average: 8.50 pCi/L, based on 2 user-submitted tests across 2 cities in the county. No homeowner readings have been submitted for Steen itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Steen, 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 Steen, MN

No homeowner tests have been submitted for Steen 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.

CityDistanceAvg User LevelReadings
Luverne 9.0 mi 12.00 pCi/L 1
Jasper 23.5 mi 5.00 pCi/L 1

Rock County Radon Profile

Rock 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. Homeowner-submitted tests from 2 cities in Rock County average 8.50 pCi/L across 2 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Rock County to test, as levels can differ between neighboring homes.

Radon FAQ for Steen, MN

What EPA Radon Zone is Steen in?
Steen and the 56173 zip code are in Rock 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 Steen?
No homeowner radon tests have been submitted for Steen yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Rock County average—are the best available indicator of local conditions until Steen 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 Steen?
Radon mitigation in Steen 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 Steen?
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.