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County file — ND

Underground Storage Tanks in Mountrail County, ND — 119 facilities, 23 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Mountrail County, population 10,803.

119UST facilities
120tanks in service
215closed tanks
23leak records
2open cases
14no further action

Mountrail County has 119 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 120 tanks in service and 215 tanks that have been closed or removed, plus 30 temporarily out of service. Over the life of the program, 23 fuel releases were reported here; 14 (61% of records) were investigated and closed with No Further Action, and 2 of those cleanup cases were still open when the snapshot was compiled.

That works out to 111.1 tanks in service per 10,000 residents, well above the North Dakota average of 32.3 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 Mountrail County, ND?

The EPA UST Finder snapshot lists 119 registered UST facilities in Mountrail County with 120 tanks currently in service, 215 closed or removed tanks, and 30 temporarily out of service.

How many fuel leaks have been reported in Mountrail County?

23 releases from underground storage tanks are on record for Mountrail County. 14 (61%) reached No Further Action status, while 2 cleanup cases remained open in the snapshot.

How do I check a specific address in Mountrail County?

Use the free TankCheck screening at https://tankcheckusa.site/ — paste any Mountrail 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 North Dakota DEQ UST Program.

Verify with the state

The live regulatory record for any Mountrail County facility or leak case is held by the North Dakota DEQ UST Program. Newer records than this 2018–2021 snapshot may exist.

Nearby countys in North Dakota

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