Hills, MN Radon Levels

Q: What EPA Radon Zone is Hills in?

Hills is in Rock County, EPA Zone 1.

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

No homeowner radon tests have been submitted for Hills yet, so readings from the closest cities and the Rock 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 Hills?

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

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

Hills, MN Radon Facts

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

County Rock County, MN

Zip Code 56138

Located in Rock County within the Sioux Falls Metro area, Hills sits on glacial deposits over Sioux Quartzite bedrock characteristic of southwestern Minnesota's prairie region. The community in zip code 56138 features primarily single-family homes with full basements common to Minnesota's harsh climate requirements. Testing data is currently limited, making individual radon testing important for establishing baseline levels in local homes.

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 Hills 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+

Hills, 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 Hills, MN

No homeowner tests have been submitted for Hills 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
Luverne	11.4 mi	12.00 pCi/L	1
Jasper	22.4 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 Hills, MN

What EPA Radon Zone is Hills in?

Hills and the 56138 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 Hills?

No homeowner radon tests have been submitted for Hills 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 Hills 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 Hills?

Radon mitigation in Hills 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 Hills?

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.