TankCheck

TankCheck / States / Montana

County file — MT

Underground Storage Tanks in Missoula County, MT — 403 facilities, 314 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Missoula County, population 117,299.

403UST facilities
269tanks in service
896closed tanks
314leak records
22open cases
292no further action

Missoula County has 403 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 269 tanks in service and 896 tanks that have been closed or removed, plus 12 temporarily out of service. Over the life of the program, 314 fuel releases were reported here; 292 (93% of records) were investigated and closed with No Further Action, and 22 of those cleanup cases were still open when the snapshot was compiled.

That works out to 22.9 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.

Check any address in Missoula County

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.

Screen an address

Frequently asked questions

How many underground storage tanks are in Missoula County, MT?

The EPA UST Finder snapshot lists 403 registered UST facilities in Missoula County with 269 tanks currently in service, 896 closed or removed tanks, and 12 temporarily out of service.

How many fuel leaks have been reported in Missoula County?

314 releases from underground storage tanks are on record for Missoula County. 292 (93%) reached No Further Action status, while 22 cleanup cases remained open in the snapshot.

How do I check a specific address in Missoula County?

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

← All Montana counts