Henning, MN Radon Levels

Q: What EPA Radon Zone is Henning in?

Henning is in Otter Tail County, EPA Zone 1.

Q: How much does radon mitigation cost in Henning?

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

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

Henning, MN Radon Facts

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

County Otter Tail County, MN

Zip Code 56551

Henning is situated in Otter Tail County in west-central Minnesota, where glacial deposits and underlying bedrock create conditions favorable for radon accumulation. The community's housing includes older farmsteads and newer residential construction, with many homes featuring basements where radon can concentrate. Given Minnesota's high radon potential and limited local testing data in the 56551 area, homeowners should prioritize radon testing.

5.00

pCi/L area average

Above EPA Action Level

Otter Tail County average: 5.00 pCi/L, based on 2 user-submitted tests across 1 city in the county. No homeowner readings have been submitted for Henning 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+

Henning, 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 Henning?

100% Free, No-Obligation Quotes
Matches You with State-Licensed Otter Tail County Pros

1-800-299-3578 218-206-2867 (local) Toll-free · Mon–Fri 8am–6pm ET

Radon Readings Near Henning, MN

No homeowner tests have been submitted for Henning 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
Fergus Falls	33.8 mi	5.00 pCi/L	2
Motley	39.3 mi	7.00 pCi/L	1
Nevis	49.1 mi	4.00 pCi/L	1

Otter Tail County Radon Profile

Otter Tail 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 1 city in Otter Tail County average 5.00 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 Otter Tail County to test, as levels can differ between neighboring homes.

Radon FAQ for Henning, MN

What EPA Radon Zone is Henning in?

Henning and the 56551 zip code are in Otter Tail 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 Henning?

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

Radon mitigation in Henning 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 Henning?

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.