TankCheck

TankCheck / States / Missouri

County file — MO

Underground Storage Tanks in St. Louis County County, MO — 2,033 facilities, 1,176 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for St. Louis County County, population 1,013,355.

2,033UST facilities
1,181tanks in service
5,363closed tanks
1,176leak records
81open cases
1,095no further action

St. Louis County County has 2,033 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 1,181 tanks in service and 5,363 tanks that have been closed or removed, plus 54 temporarily out of service. Over the life of the program, 1,176 fuel releases were reported here; 1,095 (93% of records) were investigated and closed with No Further Action, and 81 of those cleanup cases were still open when the snapshot was compiled.

That works out to 11.7 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.

Check any address in St. Louis County 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.

Screen an address

Frequently asked questions

How many underground storage tanks are in St. Louis County County, MO?

The EPA UST Finder snapshot lists 2,033 registered UST facilities in St. Louis County County with 1,181 tanks currently in service, 5,363 closed or removed tanks, and 54 temporarily out of service.

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

1,176 releases from underground storage tanks are on record for St. Louis County County. 1,095 (93%) reached No Further Action status, while 81 cleanup cases remained open in the snapshot.

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

Use the free TankCheck screening at https://tankcheckusa.site/ — paste any St. Louis County 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. Louis County 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

← All Missouri counts