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County file — ID

Underground Storage Tanks in Jefferson County, ID — 86 facilities, 8 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Jefferson County, population 27,909.

86UST facilities
24tanks in service
196closed tanks
8leak records
1open cases
7no further action

Jefferson County has 86 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 24 tanks in service and 196 tanks that have been closed or removed. Over the life of the program, 8 fuel releases were reported here; 7 (88% of records) were investigated and closed with No Further Action, and 1 of those cleanup cases were still open when the snapshot was compiled.

That works out to 8.6 tanks in service per 10,000 residents, well below 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 Jefferson County, ID?

The EPA UST Finder snapshot lists 86 registered UST facilities in Jefferson County with 24 tanks currently in service, 196 closed or removed tanks, and 0 temporarily out of service.

How many fuel leaks have been reported in Jefferson County?

8 releases from underground storage tanks are on record for Jefferson County. 7 (88%) reached No Further Action status, while 1 cleanup cases remained open in the snapshot.

How do I check a specific address in Jefferson County?

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