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County file — CA

Underground Storage Tanks in Alameda County, CA — 552 facilities, 2,540 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Alameda County, population 1,647,386.

552UST facilities
1,503tanks in service
0closed tanks
2,540leak records
268open cases
2,268no further action

Alameda County has 552 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 1,503 tanks in service and 0 tanks that have been closed or removed. Over the life of the program, 2,540 fuel releases were reported here; 2,268 (89% of records) were investigated and closed with No Further Action, and 268 of those cleanup cases were still open when the snapshot was compiled.

That works out to 9.1 tanks in service per 10,000 residents, about equal to 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.

Check any address in Alameda County

Paste an address to map every registered tank and reported leak within a mile — distances in feet, cleanup statuses, and an A–F screening grade. Free, no login.

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Frequently asked questions

How many underground storage tanks are in Alameda County, CA?

The EPA UST Finder snapshot lists 552 registered UST facilities in Alameda County with 1,503 tanks currently in service, 0 closed or removed tanks, and 0 temporarily out of service.

How many fuel leaks have been reported in Alameda County?

2,540 releases from underground storage tanks are on record for Alameda County. 2,268 (89%) reached No Further Action status, while 268 cleanup cases remained open in the snapshot.

How do I check a specific address in Alameda County?

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