County file — OH
Underground Storage Tanks in Marion County, OH — 141 facilities, 209 leak records
What the EPA UST Finder snapshot (2018–2021 state data) shows for Marion County, population 65,815.
Marion County has 141 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 90 tanks in service and 304 tanks that have been closed or removed. Over the life of the program, 209 fuel releases were reported here; 195 (93% of records) were investigated and closed with No Further Action, and 14 of those cleanup cases were still open when the snapshot was compiled.
That works out to 13.7 tanks in service per 10,000 residents, below the Ohio average of 17.1 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, OH?
The EPA UST Finder snapshot lists 141 registered UST facilities in Marion County with 90 tanks currently in service, 304 closed or removed tanks, and 0 temporarily out of service.
How many fuel leaks have been reported in Marion County?
209 releases from underground storage tanks are on record for Marion County. 195 (93%) reached No Further Action status, while 14 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 Ohio BUSTR (State Fire Marshal).
Verify with the state
The live regulatory record for any Marion County facility or leak case is held by the Ohio BUSTR (State Fire Marshal). Newer records than this 2018–2021 snapshot may exist.
Nearby countys in Ohio
- Logan County 99 fac · 134 leaks
- Lorain County 538 fac · 792 leaks
- Lucas County 943 fac · 1,432 leaks
- Madison County 89 fac · 140 leaks
- Mahoning County 530 fac · 753 leaks
- Medina County 287 fac · 432 leaks
- Meigs County 89 fac · 98 leaks
- Mercer County 96 fac · 104 leaks
- Miami County 211 fac · 303 leaks
- Monroe County 50 fac · 62 leaks