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TankCheck / States / Missouri

County file — MO

Underground Storage Tanks in Marion County, MO — 121 facilities, 39 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Marion County, population 29,313.

121UST facilities
81tanks in service
255closed tanks
39leak records
9open cases
30no further action

Marion County has 121 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 81 tanks in service and 255 tanks that have been closed or removed, plus 3 temporarily out of service. Over the life of the program, 39 fuel releases were reported here; 30 (77% of records) were investigated and closed with No Further Action, and 9 of those cleanup cases were still open when the snapshot was compiled.

That works out to 27.6 tanks in service per 10,000 residents, well above 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 Marion County, MO?

The EPA UST Finder snapshot lists 121 registered UST facilities in Marion County with 81 tanks currently in service, 255 closed or removed tanks, and 3 temporarily out of service.

How many fuel leaks have been reported in Marion County?

39 releases from underground storage tanks are on record for Marion County. 30 (77%) reached No Further Action status, while 9 cleanup cases remained open in the snapshot.

How do I check a specific address in Marion County?

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