County file — IL
Underground Storage Tanks in Marion County, IL — 148 facilities, 142 leak records
What the EPA UST Finder snapshot (2018–2021 state data) shows for Marion County, population 38,654.
Marion County has 148 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 70 tanks in service and 336 tanks that have been closed or removed. Over the life of the program, 142 fuel releases were reported here; 96 (68% of records) were investigated and closed with No Further Action, and 46 of those cleanup cases were still open when the snapshot was compiled.
That works out to 18.1 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.
Check any address in Marion 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 addressFrequently asked questions
How many underground storage tanks are in Marion County, IL?
The EPA UST Finder snapshot lists 148 registered UST facilities in Marion County with 70 tanks currently in service, 336 closed or removed tanks, and 0 temporarily out of service.
How many fuel leaks have been reported in Marion County?
142 releases from underground storage tanks are on record for Marion County. 96 (68%) reached No Further Action status, while 46 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 Illinois EPA LUST Program / OSFM.
Verify with the state
The live regulatory record for any Marion 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
- Livingston County 215 fac · 110 leaks
- Logan County 145 fac · 89 leaks
- Macon County 354 fac · 307 leaks
- Macoupin County 182 fac · 133 leaks
- Madison County 732 fac · 606 leaks
- Marshall County 85 fac · 33 leaks
- Mason County 95 fac · 30 leaks
- Massac County 50 fac · 49 leaks
- McDonough County 122 fac · 95 leaks
- McHenry County 536 fac · 338 leaks