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County file — MT

Underground Storage Tanks in Cascade County, MT — 360 facilities, 323 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Cascade County, population 83,524.

360UST facilities
229tanks in service
749closed tanks
323leak records
83open cases
240no further action

Cascade County has 360 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 229 tanks in service and 749 tanks that have been closed or removed, plus 10 temporarily out of service. Over the life of the program, 323 fuel releases were reported here; 240 (74% of records) were investigated and closed with No Further Action, and 83 of those cleanup cases were still open when the snapshot was compiled.

That works out to 27.4 tanks in service per 10,000 residents, 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 Cascade County, MT?

The EPA UST Finder snapshot lists 360 registered UST facilities in Cascade County with 229 tanks currently in service, 749 closed or removed tanks, and 10 temporarily out of service.

How many fuel leaks have been reported in Cascade County?

323 releases from underground storage tanks are on record for Cascade County. 240 (74%) reached No Further Action status, while 83 cleanup cases remained open in the snapshot.

How do I check a specific address in Cascade County?

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