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State file — IN

Underground storage tanks in Indiana

17,730 registered facilities · 12,794 tanks in service · 9,987 leak records · 1,851 open cleanup cases (EPA UST Finder snapshot, 2018–2021 state data).

17,730UST facilities
12,794tanks in service
44,112closed tanks
9,987leak records
1,851open cases
81%cases closed / NFA

Indiana runs 19.0 tanks in service per 10,000 residents (population 6,746,689). 8,135 of its 9,987 reported releases have reached No Further Action. The regulator of record is the IDEM Storage Tank Programs, which holds the live registration and case files.

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By county

CountyFacilitiesTanks in serviceLeak recordsOpen cases
Adams County10180626
Allen County93270052977
Bartholomew County25120213418
Benton County4618247
Blackford County7437375
Boone County1631079011
Brown County3120196
Carroll County6725378
Cass County169616715
Clark County29420920934
Clay County8778547
Clinton County123616718
Crawford County3942144
Daviess County8359387
DeKalb County146976818
Dearborn County138927322
Decatur County9276523
Delaware County31524321832
Dubois County166128556
Elkhart County71041127449
Fayette County8048342
Floyd County1651309111
Fountain County5644257
Franklin County5856245
Fulton County108535010
Gibson County120905210
Grant County24123413535
Greene County90593912
Hamilton County28828516221
Hancock County1261108215
Harrison County9484478
Hendricks County19822112617
Henry County17812910024
Howard County23417015934
Huntington County1371128422
Jackson County1551208620
Jasper County1211345921
Jay County8540443
Jefferson County10553526
Jennings County4642283
Johnson County21524917217
Knox County161886317
Kosciusko County30317912129
LaGrange County107795214
LaPorte County39027320447
Lake County1,112919845245
Lawrence County1291016825
Madison County37824025336
Marion County2,0891,5541,507205
Marshall County23713110726
Martin County3333252
Miami County11899347
Monroe County25620816421
Montgomery County1531057713
Morgan County1561288718
Newton County7057215
Noble County1651046916
Ohio County18730
Orange County75603012
Owen County3944175
Parke County5439347
Perry County8239244
Pike County4525183
Porter County41530222938
Posey County9348387
Pulaski County11423337
Putnam County106876625
Randolph County92575316
Ripley County110895213
Rush County7842356
Scott County5872396
Shelby County13295558
Spencer County7456365
St. Joseph County77748935454
Starke County63483210
Steuben County1311347218
Sullivan County5851392
Switzerland County172040
Tippecanoe County34623621440
Tipton County5324349
Union County2718113
Vanderburgh County53932435464
Vermillion County6459296
Vigo County40622017324
Wabash County118755912
Warren County2613113
Warrick County10280606
Washington County8549246
Wayne County24916213620
Wells County84484311
White County122865215
Whitley County9466554

Frequently asked questions

How many underground storage tanks are in Indiana?

The EPA UST Finder snapshot lists 17,730 registered UST facilities in Indiana, with 12,794 tanks in service and 44,112 closed or removed tanks across 92 countys.

How many tank leaks have been reported in Indiana?

9,987 releases are on record statewide. 8,135 (81%) were closed with No Further Action; 1,851 cleanup cases remained open in the snapshot.

Which Indiana county has the most underground storage tanks?

By facility count: Marion (2,089), Lake (1,112), Allen (932), St. Joseph (777), Elkhart (710). Use the county pages for tank and leak detail, or screen any specific address free at https://tankcheckusa.site/.