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County file — MT

Underground Storage Tanks in Silver Bow County, MT — 176 facilities, 97 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Silver Bow County, population 35,471.

176UST facilities
115tanks in service
436closed tanks
97leak records
25open cases
72no further action

Silver Bow County has 176 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 115 tanks in service and 436 tanks that have been closed or removed, plus 3 temporarily out of service. Over the life of the program, 97 fuel releases were reported here; 72 (74% of records) were investigated and closed with No Further Action, and 25 of those cleanup cases were still open when the snapshot was compiled.

That works out to 32.4 tanks in service per 10,000 residents, about equal to the Montana average of 30.9 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 Silver Bow County, MT?

The EPA UST Finder snapshot lists 176 registered UST facilities in Silver Bow County with 115 tanks currently in service, 436 closed or removed tanks, and 3 temporarily out of service.

How many fuel leaks have been reported in Silver Bow County?

97 releases from underground storage tanks are on record for Silver Bow County. 72 (74%) reached No Further Action status, while 25 cleanup cases remained open in the snapshot.

How do I check a specific address in Silver Bow County?

Use the free TankCheck screening at https://tankcheckusa.site/ — paste any Silver Bow 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 Montana DEQ UST Program.

Verify with the state

The live regulatory record for any Silver Bow County facility or leak case is held by the Montana DEQ UST Program. Newer records than this 2018–2021 snapshot may exist.

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