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State file — MI

Underground storage tanks in Michigan

27,944 registered facilities · 16,828 tanks in service · 23,450 leak records · 8,674 open cleanup cases (EPA UST Finder snapshot, 2018–2021 state data).

27,944UST facilities
16,828tanks in service
73,465closed tanks
23,450leak records
8,674open cases
63%cases closed / NFA

Michigan runs 16.8 tanks in service per 10,000 residents (population 10,024,786). 14,731 of its 23,450 reported releases have reached No Further Action. The regulator of record is the EGLE Storage Tank Program, which holds the live registration and case files.

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By county

CountyFacilitiesTanks in serviceLeak recordsOpen cases
Alcona County62203618
Alger County84504325
Allegan County38017223681
Alpena County1606111352
Antrim County116637124
Arenac County92438042
Baraga County89414523
Barry County181749834
Bay County351141343149
Benzie County73326511
Berrien County668305481178
Branch County197789626
Calhoun County552267382121
Cass County196769436
Charlevoix County139809135
Cheboygan County1618011452
Chippewa County249108159100
Clare County138927335
Clinton County25914318762
Crawford County84455315
Delta County1877311671
Dickinson County166936533
Eaton County320169275115
Emmet County1998310232
Genesee County9406461,093487
Gladwin County107387740
Gogebic County139897347
Grand Traverse County36715323577
Gratiot County2167815455
Hillsdale County1838512647
Houghton County172957445
Huron County2169515146
Ingham County801332754347
Ionia County23210313062
Iosco County1445612674
Iron County72572817
Isabella County330173216116
Jackson County540257420180
Kalamazoo County686338520179
Kalkaska County106523512
Kent County1,5327721,209372
Keweenaw County237137
Lake County53183613
Lapeer County22415118592
Leelanau County109487025
Lenawee County33715623983
Livingston County27522921497
Luce County64363021
Mackinac County126587632
Macomb County1,3331,2531,515395
Manistee County171688834
Marquette County305150205120
Mason County1595410748
Mecosta County136767934
Menominee County132605129
Midland County18812016986
Missaukee County64294318
Monroe County379249328103
Montcalm County24116915073
Montmorency County82314730
Muskegon County537274361137
Newaygo County1668211043
Oakland County2,2131,7902,289708
Oceana County115797222
Ogemaw County1336211556
Ontonagon County70352414
Osceola County112547835
Oscoda County4636217
Otsego County145975713
Ottawa County552345403115
Presque Isle County94436232
Roscommon County151729951
Saginaw County624291691256
Sanilac County2149514165
Schoolcraft County75365033
Shiawassee County20610014161
St. Clair County463308383144
St. Joseph County27111612545
Tuscola County2139017978
Van Buren County33615720990
Washtenaw County707563717169
Wayne County4,0373,2634,5031,531
Wexford County1777013656

Frequently asked questions

How many underground storage tanks are in Michigan?

The EPA UST Finder snapshot lists 27,944 registered UST facilities in Michigan, with 16,828 tanks in service and 73,465 closed or removed tanks across 83 countys.

How many tank leaks have been reported in Michigan?

23,450 releases are on record statewide. 14,731 (63%) were closed with No Further Action; 8,674 cleanup cases remained open in the snapshot.

Which Michigan county has the most underground storage tanks?

By facility count: Wayne (4,037), Oakland (2,213), Kent (1,532), Macomb (1,333), Genesee (940). Use the county pages for tank and leak detail, or screen any specific address free at https://tankcheckusa.site/.