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County file — MI

Underground Storage Tanks in Ontonagon County, MI — 70 facilities, 24 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Ontonagon County, population 6,167.

70UST facilities
35tanks in service
173closed tanks
24leak records
14open cases
10no further action

Ontonagon County has 70 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 35 tanks in service and 173 tanks that have been closed or removed, plus 3 temporarily out of service. Over the life of the program, 24 fuel releases were reported here; 10 (42% of records) were investigated and closed with No Further Action, and 14 of those cleanup cases were still open when the snapshot was compiled.

That works out to 56.8 tanks in service per 10,000 residents, well above the Michigan average of 16.8 per 10,000. Countywide numbers are context, not a verdict on any parcel — tank risk is hyper-local, falling off within a few hundred feet.

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Frequently asked questions

How many underground storage tanks are in Ontonagon County, MI?

The EPA UST Finder snapshot lists 70 registered UST facilities in Ontonagon County with 35 tanks currently in service, 173 closed or removed tanks, and 3 temporarily out of service.

How many fuel leaks have been reported in Ontonagon County?

24 releases from underground storage tanks are on record for Ontonagon County. 10 (42%) reached No Further Action status, while 14 cleanup cases remained open in the snapshot.

How do I check a specific address in Ontonagon County?

Use the free TankCheck screening at https://tankcheckusa.site/ — paste any Ontonagon County address to map every registered tank and reported leak within a mile, with distances in feet and an A–F screening grade. Verify current records with the EGLE Storage Tank Program.

Verify with the state

The live regulatory record for any Ontonagon County facility or leak case is held by the EGLE Storage Tank Program. Newer records than this 2018–2021 snapshot may exist.

Nearby countys in Michigan

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