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County file — IL

Underground Storage Tanks in Cass County, IL — 87 facilities, 42 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Cass County, population 12,763.

87UST facilities
33tanks in service
180closed tanks
42leak records
17open cases
25no further action

Cass County has 87 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 33 tanks in service and 180 tanks that have been closed or removed. Over the life of the program, 42 fuel releases were reported here; 25 (60% of records) were investigated and closed with No Further Action, and 17 of those cleanup cases were still open when the snapshot was compiled.

That works out to 25.9 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 Cass County, IL?

The EPA UST Finder snapshot lists 87 registered UST facilities in Cass County with 33 tanks currently in service, 180 closed or removed tanks, and 0 temporarily out of service.

How many fuel leaks have been reported in Cass County?

42 releases from underground storage tanks are on record for Cass County. 25 (60%) reached No Further Action status, while 17 cleanup cases remained open in the snapshot.

How do I check a specific address in Cass County?

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