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County file — MT

Underground Storage Tanks in Powder River County, MT — 24 facilities, 27 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Powder River County, population 1,746.

24UST facilities
12tanks in service
51closed tanks
27leak records
8open cases
19no further action

Powder River County has 24 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 12 tanks in service and 51 tanks that have been closed or removed, plus 1 temporarily out of service. Over the life of the program, 27 fuel releases were reported here; 19 (70% of records) were investigated and closed with No Further Action, and 8 of those cleanup cases were still open when the snapshot was compiled.

That works out to 68.7 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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Paste an address to map every registered tank and reported leak within a mile — distances in feet, cleanup statuses, and an A–F screening grade. Free, no login.

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Frequently asked questions

How many underground storage tanks are in Powder River County, MT?

The EPA UST Finder snapshot lists 24 registered UST facilities in Powder River County with 12 tanks currently in service, 51 closed or removed tanks, and 1 temporarily out of service.

How many fuel leaks have been reported in Powder River County?

27 releases from underground storage tanks are on record for Powder River County. 19 (70%) reached No Further Action status, while 8 cleanup cases remained open in the snapshot.

How do I check a specific address in Powder River County?

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