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County file — IL

Underground Storage Tanks in Lake County, IL — 1,190 facilities, 1,450 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Lake County, population 709,599.

1,190UST facilities
954tanks in service
2,820closed tanks
1,450leak records
362open cases
1,088no further action

Lake County has 1,190 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 954 tanks in service and 2,820 tanks that have been closed or removed. Over the life of the program, 1,450 fuel releases were reported here; 1,088 (75% of records) were investigated and closed with No Further Action, and 362 of those cleanup cases were still open when the snapshot was compiled.

That works out to 13.4 tanks in service per 10,000 residents, about equal to 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.

Check any address in Lake 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.

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Frequently asked questions

How many underground storage tanks are in Lake County, IL?

The EPA UST Finder snapshot lists 1,190 registered UST facilities in Lake County with 954 tanks currently in service, 2,820 closed or removed tanks, and 0 temporarily out of service.

How many fuel leaks have been reported in Lake County?

1,450 releases from underground storage tanks are on record for Lake County. 1,088 (75%) reached No Further Action status, while 362 cleanup cases remained open in the snapshot.

How do I check a specific address in Lake County?

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