TankCheck

TankCheck / States / Missouri

County file — MO

Underground Storage Tanks in Jefferson County, MO — 299 facilities, 123 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Jefferson County, population 226,606.

299UST facilities
279tanks in service
638closed tanks
123leak records
23open cases
100no further action

Jefferson County has 299 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 279 tanks in service and 638 tanks that have been closed or removed, plus 16 temporarily out of service. Over the life of the program, 123 fuel releases were reported here; 100 (81% of records) were investigated and closed with No Further Action, and 23 of those cleanup cases were still open when the snapshot was compiled.

That works out to 12.3 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 Jefferson 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 Jefferson County, MO?

The EPA UST Finder snapshot lists 299 registered UST facilities in Jefferson County with 279 tanks currently in service, 638 closed or removed tanks, and 16 temporarily out of service.

How many fuel leaks have been reported in Jefferson County?

123 releases from underground storage tanks are on record for Jefferson County. 100 (81%) reached No Further Action status, while 23 cleanup cases remained open in the snapshot.

How do I check a specific address in Jefferson County?

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