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County file — ID

Underground Storage Tanks in Owyhee County, ID — 59 facilities, 24 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Owyhee County, population 11,940.

59UST facilities
31tanks in service
125closed tanks
24leak records
4open cases
20no further action

Owyhee County has 59 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 31 tanks in service and 125 tanks that have been closed or removed. Over the life of the program, 24 fuel releases were reported here; 20 (83% of records) were investigated and closed with No Further Action, and 4 of those cleanup cases were still open when the snapshot was compiled.

That works out to 26.0 tanks in service per 10,000 residents, well above the Idaho average of 18.8 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 Owyhee County, ID?

The EPA UST Finder snapshot lists 59 registered UST facilities in Owyhee County with 31 tanks currently in service, 125 closed or removed tanks, and 0 temporarily out of service.

How many fuel leaks have been reported in Owyhee County?

24 releases from underground storage tanks are on record for Owyhee County. 20 (83%) reached No Further Action status, while 4 cleanup cases remained open in the snapshot.

How do I check a specific address in Owyhee County?

Use the free TankCheck screening at https://tankcheckusa.site/ — paste any Owyhee 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 Idaho DEQ Storage Tanks.

Verify with the state

The live regulatory record for any Owyhee County facility or leak case is held by the Idaho DEQ Storage Tanks. Newer records than this 2018–2021 snapshot may exist.

Nearby countys in Idaho

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