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County file — CA

Underground Storage Tanks in Tuolumne County, CA — 31 facilities, 132 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Tuolumne County, population 55,346.

31UST facilities
81tanks in service
0closed tanks
132leak records
13open cases
119no further action

Tuolumne County has 31 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 81 tanks in service and 0 tanks that have been closed or removed. Over the life of the program, 132 fuel releases were reported here; 119 (90% of records) were investigated and closed with No Further Action, and 13 of those cleanup cases were still open when the snapshot was compiled.

That works out to 14.6 tanks in service per 10,000 residents, well above the California average of 9.5 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 Tuolumne County, CA?

The EPA UST Finder snapshot lists 31 registered UST facilities in Tuolumne County with 81 tanks currently in service, 0 closed or removed tanks, and 0 temporarily out of service.

How many fuel leaks have been reported in Tuolumne County?

132 releases from underground storage tanks are on record for Tuolumne County. 119 (90%) reached No Further Action status, while 13 cleanup cases remained open in the snapshot.

How do I check a specific address in Tuolumne County?

Use the free TankCheck screening at https://tankcheckusa.site/ — paste any Tuolumne 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 California SWRCB UST Program.

Verify with the state

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

Nearby countys in California

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