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TankCheck / States / Illinois

County file — IL

Underground Storage Tanks in Warren County, IL — 101 facilities, 63 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Warren County, population 17,348.

101UST facilities
40tanks in service
226closed tanks
63leak records
22open cases
41no further action

Warren County has 101 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 40 tanks in service and 226 tanks that have been closed or removed. Over the life of the program, 63 fuel releases were reported here; 41 (65% of records) were investigated and closed with No Further Action, and 22 of those cleanup cases were still open when the snapshot was compiled.

That works out to 23.1 tanks in service per 10,000 residents, well above the Illinois average of 13.7 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 Warren County, IL?

The EPA UST Finder snapshot lists 101 registered UST facilities in Warren County with 40 tanks currently in service, 226 closed or removed tanks, and 0 temporarily out of service.

How many fuel leaks have been reported in Warren County?

63 releases from underground storage tanks are on record for Warren County. 41 (65%) reached No Further Action status, while 22 cleanup cases remained open in the snapshot.

How do I check a specific address in Warren County?

Use the free TankCheck screening at https://tankcheckusa.site/ — paste any Warren 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 Illinois EPA LUST Program / OSFM.

Verify with the state

The live regulatory record for any Warren County facility or leak case is held by the Illinois EPA LUST Program / OSFM. Newer records than this 2018–2021 snapshot may exist.

Nearby countys in Illinois

← All Illinois counts