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County file — MI

Underground Storage Tanks in Shiawassee County, MI — 206 facilities, 141 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Shiawassee County, population 69,499.

206UST facilities
100tanks in service
471closed tanks
141leak records
61open cases
80no further action

Shiawassee County has 206 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 100 tanks in service and 471 tanks that have been closed or removed, plus 7 temporarily out of service. Over the life of the program, 141 fuel releases were reported here; 80 (57% of records) were investigated and closed with No Further Action, and 61 of those cleanup cases were still open when the snapshot was compiled.

That works out to 14.4 tanks in service per 10,000 residents, below 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 Shiawassee County, MI?

The EPA UST Finder snapshot lists 206 registered UST facilities in Shiawassee County with 100 tanks currently in service, 471 closed or removed tanks, and 7 temporarily out of service.

How many fuel leaks have been reported in Shiawassee County?

141 releases from underground storage tanks are on record for Shiawassee County. 80 (57%) reached No Further Action status, while 61 cleanup cases remained open in the snapshot.

How do I check a specific address in Shiawassee County?

Use the free TankCheck screening at https://tankcheckusa.site/ — paste any Shiawassee 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 Shiawassee 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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