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TankCheck / States / California

County file — CA

Underground Storage Tanks in Riverside County, CA — 704 facilities, 1,358 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Riverside County, population 2,388,710.

704UST facilities
1,984tanks in service
48closed tanks
1,358leak records
79open cases
1,270no further action

Riverside County has 704 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 1,984 tanks in service and 48 tanks that have been closed or removed. Over the life of the program, 1,358 fuel releases were reported here; 1,270 (94% of records) were investigated and closed with No Further Action, and 79 of those cleanup cases were still open when the snapshot was compiled.

That works out to 8.3 tanks in service per 10,000 residents, below 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 Riverside County, CA?

The EPA UST Finder snapshot lists 704 registered UST facilities in Riverside County with 1,984 tanks currently in service, 48 closed or removed tanks, and 0 temporarily out of service.

How many fuel leaks have been reported in Riverside County?

1,358 releases from underground storage tanks are on record for Riverside County. 1,270 (94%) reached No Further Action status, while 79 cleanup cases remained open in the snapshot.

How do I check a specific address in Riverside County?

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