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County file — MO

Underground Storage Tanks in St. Clair County, MO — 38 facilities, 22 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for St. Clair County, population 9,616.

38UST facilities
11tanks in service
69closed tanks
22leak records
0open cases
22no further action

St. Clair County has 38 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 11 tanks in service and 69 tanks that have been closed or removed. Over the life of the program, 22 fuel releases were reported here; 22 (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 11.4 tanks in service per 10,000 residents, below the Missouri average of 13.3 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 St. Clair County, MO?

The EPA UST Finder snapshot lists 38 registered UST facilities in St. Clair County with 11 tanks currently in service, 69 closed or removed tanks, and 0 temporarily out of service.

How many fuel leaks have been reported in St. Clair County?

22 releases from underground storage tanks are on record for St. Clair County. 22 (100%) reached No Further Action status, while 0 cleanup cases remained open in the snapshot.

How do I check a specific address in St. Clair County?

Use the free TankCheck screening at https://tankcheckusa.site/ — paste any St. Clair 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 Missouri DNR Tanks Program.

Verify with the state

The live regulatory record for any St. Clair County facility or leak case is held by the Missouri DNR Tanks Program. Newer records than this 2018–2021 snapshot may exist.

Nearby countys in Missouri

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