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County file — CA

Underground Storage Tanks in Trinity County, CA — 6 facilities, 77 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Trinity County, population 13,367.

6UST facilities
20tanks in service
0closed tanks
77leak records
4open cases
73no further action

Trinity County has 6 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 20 tanks in service and 0 tanks that have been closed or removed. Over the life of the program, 77 fuel releases were reported here; 73 (95% of records) were investigated and closed with No Further Action, and 4 of those cleanup cases were still open when the snapshot was compiled.

That works out to 15.0 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 Trinity County, CA?

The EPA UST Finder snapshot lists 6 registered UST facilities in Trinity County with 20 tanks currently in service, 0 closed or removed tanks, and 0 temporarily out of service.

How many fuel leaks have been reported in Trinity County?

77 releases from underground storage tanks are on record for Trinity County. 73 (95%) reached No Further Action status, while 4 cleanup cases remained open in the snapshot.

How do I check a specific address in Trinity County?

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