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County file — IN

Underground Storage Tanks in Marion County, IN — 2,089 facilities, 1,507 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Marion County, population 952,385.

2,089UST facilities
1,554tanks in service
5,866closed tanks
1,507leak records
205open cases
1,302no further action

Marion County has 2,089 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 1,554 tanks in service and 5,866 tanks that have been closed or removed, plus 38 temporarily out of service. Over the life of the program, 1,507 fuel releases were reported here; 1,302 (86% of records) were investigated and closed with No Further Action, and 205 of those cleanup cases were still open when the snapshot was compiled.

That works out to 16.3 tanks in service per 10,000 residents, below the Indiana average of 19.0 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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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 Marion County, IN?

The EPA UST Finder snapshot lists 2,089 registered UST facilities in Marion County with 1,554 tanks currently in service, 5,866 closed or removed tanks, and 38 temporarily out of service.

How many fuel leaks have been reported in Marion County?

1,507 releases from underground storage tanks are on record for Marion County. 1,302 (86%) reached No Further Action status, while 205 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 IDEM Storage Tank Programs.

Verify with the state

The live regulatory record for any Marion County facility or leak case is held by the IDEM Storage Tank Programs. Newer records than this 2018–2021 snapshot may exist.

Nearby countys in Indiana

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