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UST Check → counties → Illinois

Illinois UST database — underground storage tanks by county

EPA UST Finder county aggregates for Illinois — registered tank facilities and leak (LUST) incidents as reported by the state program to EPA. Every Illinois leak (LUST) site record is on its own page.

28,236registered facilities
17,907open tanks
66,419closed tanks
25,334leak incidents
5,924cleanups still open

By county

CountyFacilitiesOpen tanksClosed tanksLeak incidentsOpen cleanups
Cook 7,547 5,133 20,223 9,809 2,017
DuPage 1,569 1,225 3,734 1,851 297
Lake 1,190 954 2,820 1,450 362
Kane 900 645 2,049 805 174
Winnebago 884 566 2,062 499 89
Will 787 864 1,757 609 123
Madison 732 390 1,761 606 179
St. Clair 686 381 1,476 561 196
McHenry 536 349 1,177 338 68
Peoria 533 341 1,223 320 92
Sangamon 526 373 1,172 455 105
Champaign 479 299 1,107 368 84
LaSalle 455 285 1,040 325 83
McLean 443 310 941 315 86
Tazewell 424 306 917 227 47
Rock Island 417 336 941 310 70
Macon 354 209 803 307 62
Vermilion 348 153 874 206 64
Kankakee 320 210 687 168 36
DeKalb 273 164 585 204 55
Whiteside 263 107 520 117 34
Ogle 256 125 537 143 37
Henry 246 153 494 157 44
Adams 233 141 533 117 26
Knox 227 107 447 142 47
Livingston 215 99 407 110 33
Williamson 211 135 493 149 41
Bureau 204 109 415 115 37
Iroquois 194 87 392 98 30
Jefferson 194 99 423 150 37
Jackson 185 91 439 140 43
Macoupin 182 95 396 133 39
Lee 179 81 360 101 30
Morgan 178 96 361 92 17
Coles 172 78 384 133 29
Effingham 170 131 422 153 39
Montgomery 162 85 349 111 35
Franklin 160 69 349 120 36
Woodford 155 75 315 104 13
Fulton 150 65 316 102 43
Marion 148 70 336 142 46
Logan 145 55 313 89 22
Stephenson 145 92 309 106 30
Grundy 143 122 297 96 28
Randolph 143 55 322 88 27
Clinton 140 77 256 98 29
Christian 136 82 273 103 28
Jo Daviess 131 60 293 91 30
McDonough 122 50 241 95 31
Kendall 119 116 255 72 16
Pike 117 60 246 65 21
Crawford 110 27 232 57 14
Fayette 104 44 225 82 12
Boone 101 88 242 83 23
Saline 101 68 261 66 19
Warren 101 40 226 63 22
Shelby 99 49 191 67 21
Mason 95 36 236 30 6
Carroll 94 46 260 62 23
Mercer 92 42 175 36 19
Wayne 91 35 199 60 25
Douglas 90 48 227 70 19
Wabash 90 32 163 38 14
White 89 41 187 52 20
Cass 87 33 180 42 17
Hancock 87 44 164 50 21
Ford 85 43 170 49 13
Marshall 85 37 170 33 12
Piatt 85 37 177 42 16
Monroe 80 50 148 51 13
Union 78 33 179 41 11
Bond 76 39 154 56 12
Edgar 75 34 190 44 7
De Witt 74 36 171 54 16
Clark 73 49 185 47 12
Washington 70 38 145 48 12
Perry 69 25 171 63 17
Richland 69 22 148 44 11
Greene 68 36 133 44 9
Clay 66 33 144 48 8
Lawrence 64 17 162 32 18
Jersey 62 27 154 42 6
Moultrie 57 27 119 32 12
Gallatin 54 9 111 26 12
Edwards 52 14 115 27 8
Jasper 51 12 106 37 2
Johnson 50 22 104 33 18
Massac 50 14 142 49 14
Alexander 45 11 141 38 12
Menard 45 16 111 29 18
Pulaski 45 22 94 21 11
Putnam 41 27 86 16 6
Hamilton 38 15 88 24 4
Henderson 38 22 80 14 5
Scott 35 14 84 16 5
Cumberland 33 22 79 21 9
Brown 31 21 60 13 3
Schuyler 31 21 57 16 2
Stark 31 11 58 18 14
Hardin 29 8 75 20 5
Calhoun 24 2 52 10 6
Pope 18 8 46 13 3

Screen a specific property in Illinois

County numbers set the context; a deal needs the registry around one address — registered tanks at the parcel, facilities within 500/1,500 ft, leak cleanups with status and distance, every line cited to the official record.

Screen an address — $49
This is a screen of EPA-registered tank and leak records, not an environmental site assessment. State registries are incomplete by design: tanks removed before 1986 and most residential heating-oil tanks were never registered, so a clean screen cannot prove the absence of a tank. "Closed" means a tank was taken out of service per the registry — it does not certify that no contamination remains.

source: EPA UST Finder EPA data vintage 2024-12-04