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County file — CA

Underground Storage Tanks in Stanislaus County, CA — 208 facilities, 465 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Stanislaus County, population 540,604.

208UST facilities
622tanks in service
0closed tanks
465leak records
12open cases
453no further action

Stanislaus County has 208 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 622 tanks in service and 0 tanks that have been closed or removed. Over the life of the program, 465 fuel releases were reported here; 453 (97% of records) were investigated and closed with No Further Action, and 12 of those cleanup cases were still open when the snapshot was compiled.

That works out to 11.5 tanks in service per 10,000 residents, 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 Stanislaus County, CA?

The EPA UST Finder snapshot lists 208 registered UST facilities in Stanislaus County with 622 tanks currently in service, 0 closed or removed tanks, and 0 temporarily out of service.

How many fuel leaks have been reported in Stanislaus County?

465 releases from underground storage tanks are on record for Stanislaus County. 453 (97%) reached No Further Action status, while 12 cleanup cases remained open in the snapshot.

How do I check a specific address in Stanislaus County?

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