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County file — ND

Underground Storage Tanks in Oliver County, ND — 9 facilities, 4 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Oliver County, population 1,870.

9UST facilities
1tanks in service
25closed tanks
4leak records
0open cases
4no further action

Oliver County has 9 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 1 tanks in service and 25 tanks that have been closed or removed. Over the life of the program, 4 fuel releases were reported here; 4 (100% of records) were investigated and closed with No Further Action, and no cleanup cases remained open when the snapshot was compiled.

That works out to 5.3 tanks in service per 10,000 residents, well below 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 Oliver County, ND?

The EPA UST Finder snapshot lists 9 registered UST facilities in Oliver County with 1 tanks currently in service, 25 closed or removed tanks, and 0 temporarily out of service.

How many fuel leaks have been reported in Oliver County?

4 releases from underground storage tanks are on record for Oliver County. 4 (100%) reached No Further Action status, while 0 cleanup cases remained open in the snapshot.

How do I check a specific address in Oliver County?

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