County file — CA

Underground Storage Tanks in Mono County, CA — 21 facilities, 68 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Mono County, population 13,680.

21UST facilities
63tanks in service
0closed tanks
68leak records
0open cases
68no further action

Mono County has 21 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 63 tanks in service and 0 tanks that have been closed or removed. Over the life of the program, 68 fuel releases were reported here; 68 (100% of records) were investigated and closed with No Further Action, and no cleanup cases remained open when the snapshot was compiled.

That works out to 46.1 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.

Check any address in Mono 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 Mono County, CA?

The EPA UST Finder snapshot lists 21 registered UST facilities in Mono County with 63 tanks currently in service, 0 closed or removed tanks, and 0 temporarily out of service.

How many fuel leaks have been reported in Mono County?

68 releases from underground storage tanks are on record for Mono County. 68 (100%) reached No Further Action status, while 0 cleanup cases remained open in the snapshot.

How do I check a specific address in Mono County?

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