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County file — CA

Underground Storage Tanks in Sierra County, CA — 5 facilities, 16 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Sierra County, population 3,079.

5UST facilities
13tanks in service
0closed tanks
16leak records
2open cases
14no further action

Sierra County has 5 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 13 tanks in service and 0 tanks that have been closed or removed. Over the life of the program, 16 fuel releases were reported here; 14 (88% of records) were investigated and closed with No Further Action, and 2 of those cleanup cases were still open when the snapshot was compiled.

That works out to 42.2 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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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 Sierra County, CA?

The EPA UST Finder snapshot lists 5 registered UST facilities in Sierra County with 13 tanks currently in service, 0 closed or removed tanks, and 0 temporarily out of service.

How many fuel leaks have been reported in Sierra County?

16 releases from underground storage tanks are on record for Sierra County. 14 (88%) reached No Further Action status, while 2 cleanup cases remained open in the snapshot.

How do I check a specific address in Sierra County?

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