County file — MT
Underground Storage Tanks in Valley County, MT — 143 facilities, 110 leak records
What the EPA UST Finder snapshot (2018–2021 state data) shows for Valley County, population 7,663.
Valley County has 143 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 39 tanks in service and 342 tanks that have been closed or removed, plus 7 temporarily out of service. Over the life of the program, 110 fuel releases were reported here; 73 (66% of records) were investigated and closed with No Further Action, and 36 of those cleanup cases were still open when the snapshot was compiled.
That works out to 50.9 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.
Check any address in Valley 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 addressFrequently asked questions
How many underground storage tanks are in Valley County, MT?
The EPA UST Finder snapshot lists 143 registered UST facilities in Valley County with 39 tanks currently in service, 342 closed or removed tanks, and 7 temporarily out of service.
How many fuel leaks have been reported in Valley County?
110 releases from underground storage tanks are on record for Valley County. 73 (66%) reached No Further Action status, while 36 cleanup cases remained open in the snapshot.
How do I check a specific address in Valley County?
Use the free TankCheck screening at https://tankcheckusa.site/ — paste any Valley 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 Valley 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
- Sheridan County 89 fac · 48 leaks
- Silver Bow County 176 fac · 97 leaks
- Stillwater County 51 fac · 56 leaks
- Sweet Grass County 39 fac · 33 leaks
- Teton County 89 fac · 50 leaks
- Toole County 99 fac · 68 leaks
- Treasure County 17 fac · 10 leaks
- Wheatland County 54 fac · 26 leaks
- Wibaux County 8 fac · 8 leaks
- Yellowstone County 540 fac · 472 leaks