County file — MT
Underground Storage Tanks in Dawson County, MT — 85 facilities, 87 leak records
What the EPA UST Finder snapshot (2018–2021 state data) shows for Dawson County, population 9,685.
Dawson County has 85 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 37 tanks in service and 186 tanks that have been closed or removed, plus 4 temporarily out of service. Over the life of the program, 87 fuel releases were reported here; 54 (62% of records) were investigated and closed with No Further Action, and 33 of those cleanup cases were still open when the snapshot was compiled.
That works out to 38.2 tanks in service per 10,000 residents, 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 Dawson 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 Dawson County, MT?
The EPA UST Finder snapshot lists 85 registered UST facilities in Dawson County with 37 tanks currently in service, 186 closed or removed tanks, and 4 temporarily out of service.
How many fuel leaks have been reported in Dawson County?
87 releases from underground storage tanks are on record for Dawson County. 54 (62%) reached No Further Action status, while 33 cleanup cases remained open in the snapshot.
How do I check a specific address in Dawson County?
Use the free TankCheck screening at https://tankcheckusa.site/ — paste any Dawson 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 Dawson 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
- Carter County 19 fac · 13 leaks
- Cascade County 360 fac · 323 leaks
- Chouteau County 121 fac · 63 leaks
- Custer County 78 fac · 72 leaks
- Daniels County 38 fac · 35 leaks
- Deer Lodge County 65 fac · 32 leaks
- Fallon County 43 fac · 26 leaks
- Fergus County 166 fac · 113 leaks
- Flathead County 314 fac · 273 leaks
- Gallatin County 302 fac · 222 leaks