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County file — CA

Underground Storage Tanks in Solano County, CA — 178 facilities, 535 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Solano County, population 439,903.

178UST facilities
490tanks in service
0closed tanks
535leak records
20open cases
515no further action

Solano County has 178 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 490 tanks in service and 0 tanks that have been closed or removed. Over the life of the program, 535 fuel releases were reported here; 515 (96% of records) were investigated and closed with No Further Action, and 20 of those cleanup cases were still open when the snapshot was compiled.

That works out to 11.1 tanks in service per 10,000 residents, 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 Solano County, CA?

The EPA UST Finder snapshot lists 178 registered UST facilities in Solano County with 490 tanks currently in service, 0 closed or removed tanks, and 0 temporarily out of service.

How many fuel leaks have been reported in Solano County?

535 releases from underground storage tanks are on record for Solano County. 515 (96%) reached No Further Action status, while 20 cleanup cases remained open in the snapshot.

How do I check a specific address in Solano County?

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