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County file — MT

Underground Storage Tanks in Gallatin County, MT — 302 facilities, 222 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Gallatin County, population 106,815.

302UST facilities
221tanks in service
655closed tanks
222leak records
18open cases
204no further action

Gallatin County has 302 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 221 tanks in service and 655 tanks that have been closed or removed, plus 5 temporarily out of service. Over the life of the program, 222 fuel releases were reported here; 204 (92% of records) were investigated and closed with No Further Action, and 18 of those cleanup cases were still open when the snapshot was compiled.

That works out to 20.7 tanks in service per 10,000 residents, well below 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 Gallatin County, MT?

The EPA UST Finder snapshot lists 302 registered UST facilities in Gallatin County with 221 tanks currently in service, 655 closed or removed tanks, and 5 temporarily out of service.

How many fuel leaks have been reported in Gallatin County?

222 releases from underground storage tanks are on record for Gallatin County. 204 (92%) reached No Further Action status, while 18 cleanup cases remained open in the snapshot.

How do I check a specific address in Gallatin County?

Use the free TankCheck screening at https://tankcheckusa.site/ — paste any Gallatin 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 Gallatin County facility or leak case is held by the Montana DEQ UST Program. Newer records than this 2018–2021 snapshot may exist.

Nearby countys in Montana

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