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County file — MT

Underground Storage Tanks in Sanders County, MT — 116 facilities, 89 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Sanders County, population 11,189.

116UST facilities
45tanks in service
267closed tanks
89leak records
6open cases
74no further action

Sanders County has 116 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 45 tanks in service and 267 tanks that have been closed or removed, plus 12 temporarily out of service. Over the life of the program, 89 fuel releases were reported here; 74 (83% of records) were investigated and closed with No Further Action, and 6 of those cleanup cases were still open when the snapshot was compiled.

That works out to 40.2 tanks in service per 10,000 residents, well above 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 Sanders County, MT?

The EPA UST Finder snapshot lists 116 registered UST facilities in Sanders County with 45 tanks currently in service, 267 closed or removed tanks, and 12 temporarily out of service.

How many fuel leaks have been reported in Sanders County?

89 releases from underground storage tanks are on record for Sanders County. 74 (83%) reached No Further Action status, while 6 cleanup cases remained open in the snapshot.

How do I check a specific address in Sanders County?

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