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Geography Home Browse by State Browse by Feature Definitions Top 10 |
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Geography Home Browse by State Browse by Feature Definitions Top 10 |
Illinois Dam
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Feature Name
|
County
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Latitude
|
Longitude
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| A E Staley Cooling Lake Dam | Macon | 39.84833 | -88.91333 |
| Absher Lake Dam | White | 38.08167 | -88.22 |
| Airstrip Reservoir Dam | Jersey | 38.99167 | -90.42833 |
| Albion Moose Lake Dam | Edwards | 38.43722 | -88.06528 |
| Alleman Lake Dam | La Salle | 41.24167 | -89.00167 |
| Allen Lake Dam | Crawford | 39.025 | -87.73333 |
| Allen Pond Dam | Wayne | 38.505 | -88.61 |
| Allendale Conservation Club Lake Dam | Stark | 41.13167 | -89.76167 |
| Alpine Dam | Winnebago | 42.27167 | -89.025 |
| Alsey Lake Dam | Scott | 39.555 | -90.42833 |
| Alsup Farm Pond Dam | Brown | 39.87167 | -90.64667 |
| Altamont Reservoir Dam | Effingham | 39.03167 | -88.715 |
| Alto Pass Reservoir Dam | Union | 37.58 | -89.30833 |
| Alton Twin Lakes South Dam | Madison | 38.945 | -90.12667 |
| Alton-Woodriver Sportsmens Reservoir Dam | Madison | 38.935 | -90.18667 |
| American Zinc Smelter Company Large Lake Dam | Montgomery | 39.13 | -89.505 |
| Anna State Hospital Reservoir Dam | Union | 37.47222 | -89.29556 |
| Apple Canyon Lake Dam | Jo Daviess | 42.4325 | -90.16611 |
| Applebee Pond Dam | Morgan | 39.765 | -90.25167 |
| Argyle Lake Dam | McDonough | 40.44917 | -90.78667 |
| Armstrong Pond Dam | Bond | 38.87667 | -89.29833 |
| Arrowhead Country Club Lake Dam | Peoria | 40.92833 | -89.605 |
| Arsenal Power Dam | Rock Island | 41.515 | -90.54 |
| Ashley Dam | Washington | 38.345 | -89.18 |
| Athey Lake Dam | Crawford | 39.08 | -87.79 |
| Augusta Lake Dam | Hancock | 40.2625 | -90.92083 |
| Aurora Dam | Kane | 41.75333 | -88.325 |
| Austiff Pond Dam | Macoupin | 39.31833 | -89.86667 |
| Aux Sable Lock | Grundy | 41.39556 | -88.33194 |
| Auxiliary Reservoir Impoundment Structure Dam | Jefferson | 38.19 | -89.06 |
| Bails Timberline Lake Dam | Fayette | 39.04 | -88.865 |
| Baldwin Plant Cooling Lake Dam | Randolph | 38.21 | -89.87667 |
| Baldwin Power Plant Cooling Lake Dike | Randolph | 38.21 | -89.87667 |
| Barger Lake Dam | Pope | 37.55 | -88.55667 |
| Barnes Lake Dam | Marshall | 41.01833 | -89.37333 |
| Barths Lake Dam | Macoupin | 39.02472 | -89.94417 |
| Barwell Lake Dam | Woodford | 40.61806 | -89.1325 |
| Bass Lake Dam | Lee | 41.65639 | -89.29056 |
| Bauers Lake Dam | St. Clair | 38.63167 | -89.97667 |
| Bay Creek Structure Number 4 Dam | Johnson | 37.39167 | -88.78667 |
| Bay Creek Structure Number 5 Dam | Pope | 37.485 | -88.68833 |
| Bay Creek Structure Number 8 Dam | Pope | 37.39 | -88.68833 |
| Bayles Lake Dam | Iroquois | 40.53833 | -88.09667 |
| Beaver Glenn Lake Dam | Bureau | 41.38167 | -89.37333 |
| Beaver Lake Dam | Franklin | 37.93194 | -89.01722 |
| Beil Lake Number 1 North Dam Number 2 | St. Clair | 38.46167 | -90.05833 |
| Beil Lake Number 2 Dam | St. Clair | 38.45833 | -90.05833 |
| Belford Lake Dam | Williamson | 37.64167 | -88.87667 |
| Bertinettis Lake Dam | Christian | 39.53333 | -89.25167 |
| Bessler Lake Dam | Tazewell | 40.58667 | -89.545 |
| Bests Pond Dam | Greene | 39.25333 | -90.52333 |
| Biebell Lake Dam | St. Clair | 38.37833 | -89.87667 |
| Big Four Reservoir Dam | Madison | 38.98 | -89.74333 |
| Big Muddy Subimpoundment Dam | Jefferson | 38.1775 | -89.00167 |
| Big Timber Lake Dam | Peoria | 40.71 | -89.68167 |
| Birchlers Lake Dam | Randolph | 37.93 | -89.81167 |
| Birkey Lake Dam | Tazewell | 40.57167 | -89.57333 |
| Blandinsville City Lake Dam | McDonough | 40.56333 | -90.86667 |
| Bolton Lakes Dam | Bureau | 41.33167 | -89.51667 |
| Bond Christan Camp Lake Dam | Bond | 38.90667 | -89.295 |
| Borgsmiller Lake Dam | Jackson | 37.73833 | -89.35833 |
| Boy Scout Lake Dam | Shelby | 39.32833 | -89.04667 |
| Boyd Lake Dam | Christian | 39.40167 | -89.42833 |
| Boyles Lake Dam | Tazewell | 40.52833 | -89.42 |
| Braidwood Station Cooling Pond Dam | Will | 41.20833 | -88.21667 |
| Brandon Locks | Will | 41.50389 | -88.09917 |
| Brandon Road Lock and Dam | Will | 41.505 | -88.09833 |
| Braun Pond Dam | Sangamon | 39.89167 | -89.91833 |
| Brian Lake Dam | McLean | 40.415 | -88.86 |
| Briar Patch Club Lake Dam | Wayne | 38.29667 | -88.29 |
| Briney Lake Dam | Schuyler | 40.17833 | -90.25167 |
| Briney Lake Dam Number 1 | Schuyler | 40.17667 | -90.26333 |
| Brooks Lake Dam | Crawford | 38.96556 | -87.76417 |
| Bruington Lake Dam | Knox | 40.98333 | -90.16 |
| Buck Lake Dam | DeKalb | 41.64722 | -88.65944 |
| Buckner Reservoir Dam | Franklin | 37.97528 | -89.00528 |
| Bull Frog Lake Dam | Cook | 41.70917 | -87.90083 |
| Bunker Hill Old Lake Dam | Macoupin | 39.04333 | -89.98 |
| Bunker Hill Reservoir Number 2 Dam | Macoupin | 39.04833 | -89.97833 |
| Burcham Pond Dam | Crawford | 39.06 | -87.805 |
| Burgett Lake Dam | Jasper | 38.94333 | -88.31389 |
| C and E I Reservoir Dam | Marion | 38.62889 | -88.93167 |
| C B and Q Railroad Reservoir Dam | Clinton | 38.56667 | -88.14333 |
| Calhoun Lake Dam | Knox | 41.10472 | -90.01667 |
| Cambon Lake Dam | Franklin | 37.90472 | -89.00306 |
| Camp Immanuel Lake Dam | Schuyler | 40.18667 | -90.35333 |
| Camp Saukenauk Lake Dam | Adams | 40.18333 | -91.32333 |
| Campbell Lake Dam | Crawford | 38.875 | -87.62667 |
| Campton Lake Dam | Kane | 41.95278 | -88.41278 |
| Campus Lake Dam | Jackson | 37.70861 | -89.22444 |
| Candlewick Lake Dam | Boone | 42.34778 | -88.87167 |
| Canton City Lake Dam | Fulton | 40.56333 | -89.97306 |
| Carbondale Reservoir Dam | Jackson | 37.69917 | -89.22306 |
| Carlson Lake Dam | Jersey | 39.045 | -90.215 |
| Carlyle Dam | Clinton | 38.61889 | -89.35278 |
| Carner Lake Dam | Henderson | 40.90667 | -90.83333 |
| Carthage Lake Number 1 Dam | Hancock | 40.43 | -90.15167 |
| Carthage Lake Number 2 Dam | Hancock | 40.42917 | -91.15167 |
| Cartter Pond Dam | Marion | 38.56389 | -88.91 |
| Casey Fork Subimpoundment Dam | Jefferson | 38.1875 | -88.93056 |
| CBS Gun Club Lake Dam | Fulton | 40.60833 | -90.20833 |
| Cedar Lake Dam | Jackson | 37.65833 | -89.28361 |
| Central Illinois Public Service Dam | Effingham | 39.11333 | -88.58667 |
| Charley Brown Park Lake Dam | Clay | 38.66333 | -88.535 |
| Charter Oak North Lake Dam | Peoria | 40.765 | -89.67667 |
| Charter Oak Village Lake Dam | Peoria | 40.76 | -89.67167 |
| Chautauqua Lake Dam | Jackson | 37.72667 | -89.30167 |
| Chippewa Estates Dam | Peoria | 40.90333 | -89.79667 |
| Christopher New Reservoir Dam | Franklin | 38.00833 | -89.10167 |
| Christopher Old Reservoir Dam | Franklin | 37.985 | -89.06917 |
| Cilca Lake Dam | Sangamon | 39.895 | -89.735 |
| Citizens Lake Dam | Warren | 40.90667 | -90.66333 |
| City of Sesser Reservoir Dam | Franklin | 38.06833 | -89.03222 |
| City Reservoir Dam | Randolph | 38.20333 | -89.62 |
| Clayton Reservoir Dam | Adams | 40.01167 | -90.95194 |
| Clinton Lake Dam | De Witt | 40.13889 | -88.87639 |
| Clover Leaf Ranch Lake Dam | Bureau | 41.24 | -89.52833 |
| Clyde Darst Pond Dam | Fulton | 40.51833 | -90.34333 |
| Clyde Vance Lake Dam | De Witt | 40.28167 | -88.77333 |
| Clyde Young Lake Dam | Warren | 40.88333 | -90.77833 |
| Coffeen Lake Dam | Montgomery | 39.03722 | -89.38528 |
| Coles Lake Dam | Greene | 39.33167 | -90.195 |
| Collins Station Cooling Lake Dam | Grundy | 41.41667 | -88.41667 |
| Columbia Farm Pond Dam | Pike | 39.53333 | -90.705 |
| Columbia Quarry Lake Dam | Macoupin | 39.11333 | -89.78833 |
| Columbia Sportsman Club Lake Dam | Monroe | 38.47 | -90.21833 |
| Columbus Dry Gulch Club Lake Dam | Adams | 39.995 | -91.10667 |
| Concord Reservoir Dam | Morgan | 39.80639 | -90.34361 |
| Copperas Creek Dam | Fulton | 40.47528 | -89.88778 |
| Correctional Center Dam | Johnson | 37.41333 | -88.76 |
| Country Lake Dam | Menard | 39.96333 | -89.74667 |
| Countryside Lake Dam | Lake | 42.24667 | -88.03 |
| Cowen Pond Dam | Peoria | 40.96333 | -89.95833 |
| Cox Lake Dam | Wayne | 38.31528 | -88.35556 |
| Crab Orchard Dam | Williamson | 37.7175 | -89.15028 |
| Crabill Pond Dam | Coles | 39.43667 | -88.22667 |
| Craig Lake Dam | Clark | 39.23333 | -87.75333 |
| Crescent Lake Dam | Henry | 41.135 | -90.36667 |
| Cricketwood Green Lake Dam | McDonough | 40.44167 | -90.71167 |
| Crisenberry Dam | Jackson | 37.77778 | -89.45389 |
| Cross Lake Dam | McLean | 40.57 | -89.24667 |
| Crown Mine Pond Dam | Montgomery | 39.43833 | -89.64 |
| Croxton Lake Dam | Schuyler | 40.14833 | -90.855 |
| Crystal Lake Dam | Jersey | 39.09 | -90.23 |
| Daily Pond Dam | Moultrie | 39.445 | -88.47333 |
| Dales Twin Lakes-South Lake Dam | Madison | 38.8 | -89.875 |
| Dam And Lock Number 17 | Mercer | 41.19139 | -91.05861 |
| Dam Number 1 | Cook | 42.12389 | -87.89583 |
| Dam Number 1 Dam | Cook | 41.69333 | -87.90333 |
| Dam Number 2 | Cook | 42.08194 | -87.89056 |
| Dam Number 4 | Cook | 41.69 | -87.89 |
| Dam Number 4 North | Cook | 41.99611 | -87.85972 |
| Dam Number 5 | Cook | 41.68833 | -87.885 |
| Dam Number 50 | Hardin | 37.47194 | -88.0925 |
| Dam Number 52 | Massac | 37.12306 | -88.65528 |
| Dam Number 6 | Cook | 41.68833 | -87.88 |
| Dam Number 7 | Cook | 41.68833 | -87.875 |
| Daum Lake Dam | Knox | 40.87833 | -90.05667 |
| Dayton Dam | La Salle | 41.39 | -88.78694 |
| De Frates-Shaeffer Lake Dam | Morgan | 39.79333 | -90.69833 |
| De Wees Lake Dam | Adams | 39.76333 | -91.07333 |
| Deer Lake Dam | Will | 41.45972 | -87.60889 |
| Deer Park Lake Dam | La Salle | 41.29167 | -89.04167 |
| Deer Run Lake Dam | Macoupin | 39.2025 | -89.82083 |
| Dellitt Lake Dam | Mercer | 41.16833 | -90.72833 |
| Denbys Pond Dam | Macoupin | 39.28333 | -89.83167 |
| Dennis Lake Dam | Hancock | 40.27 | -90.92167 |
| Diebert-Hortsman Dam | Clinton | 38.63167 | -89.66 |
| Diversion Drainage Dam | Fulton | 40.34167 | -90.4 |
| Dixon Pond Dam | Brown | 39.84833 | -90.75667 |
| Dolan Lake Dam | Hamilton | 38.05694 | -88.40417 |
| Dongola Lake Dam | Union | 37.36 | -89.17 |
| Donnelly Pond Dam | Rock Island | 41.395 | -90.94333 |
| Dowell Lake Dam | Henderson | 40.79667 | -90.915 |
| Downing Pond Dam | Madison | 38.945 | -90.09333 |
| Doyle Lake Dam | Will | 41.33667 | -88.07167 |
| Dresden Cooling Lake Dam | Grundy | 41.365 | -88.25833 |
| Dresden Island Lock and Dam | Grundy | 41.40083 | -88.28139 |
| Duck Creek Reservoir Dam | Fulton | 40.455 | -89.97333 |
| Dunlap Lake Dam | Madison | 38.80889 | -89.9375 |
| Eads Lake Dam | Edgar | 39.61 | -87.66667 |
| Eagle Number 1 Fresh Water Lake Dam | Gallatin | 37.675 | -88.23333 |
| Eagle Number 2 Lake Dam | Gallatin | 37.735 | -88.22167 |
| East Fork Lake Dam | Richland | 38.75833 | -88.065 |
| East Lake Impoundment Dam | Jefferson | 38.19333 | -89.04667 |
| Easterly Breakwater | Cook | 41.88167 | -87.61 |
| Eddy Lake Dam | McHenry | 42.26333 | -88.47667 |
| Edwards Lake Dam | Henry | 41.44333 | -90.26333 |
| Eilers Lake Dam | Adams | 40.17833 | -91.05833 |
| Eldorado Reservoir Dam | Saline | 37.82278 | -88.49444 |
| Elim Lake Dam | Moultrie | 39.6 | -88.71167 |
| Elks Reservoir Dam | Perry | 38.07667 | -89.31 |
| Elkville Country Club Reservoir Dam | Jackson | 37.87333 | -89.22833 |
| Elm Springs Park Lake Number 4 Dam | Moultrie | 39.59833 | -88.71 |
| Elmore Stock Farm Pond Dam | Peoria | 40.975 | -89.96333 |
| Elmwood Farms Lake Dam | Lake | 42.44667 | -88 |
| Emil Lake Dam | Moultrie | 39.56833 | -88.655 |
| Ettlebrick Lake Dam | Cumberland | 39.28 | -88.05167 |
| Eureka Lake Dam | Woodford | 40.705 | -89.27694 |
| Evelen Lake Dam | Fulton | 40.49833 | -90.10333 |
| Evergreen Lake Dam | Macoupin | 39.02667 | -90.10667 |
| Farm Creek Dams | Tazewell | 40.67139 | -89.50083 |
| Farm Pond Dam | Edgar | 39.51667 | -87.60333 |
| Fawell Dam | DuPage | 41.78667 | -88.17667 |
| Ferne Clyffe Dam | Johnson | 37.53333 | -88.97667 |
| Fetter Lake Dam | Johnson | 37.51833 | -88.82167 |
| Feyerabend Pond Dam | Jersey | 39.1 | -90.24833 |
| Fillmore Lake Dam | Montgomery | 39.10167 | -89.25333 |
| Finger Lake Dam | Cass | 40.00667 | -90.14833 |
| Fish Lake Dam | Wabash | 38.525 | -87.85 |
| Fish N Fun Lake Dam | Putnam | 41.15667 | -89.26833 |
| Fitzgerald Lake Dam-East Dam | Jo Daviess | 42.23333 | -90.22833 |
| Fitzgerald Lake West Dam | Jo Daviess | 42.23333 | -90.21667 |
| Flying M Ranch Dam | Washington | 38.50333 | -89.195 |
| Foertch Pond Dam | Perry | 38.19833 | -89.54167 |
| Fondulac Dam | Tazewell | 40.68361 | -89.52722 |
| Fools Lake Dam | Mercer | 41.19333 | -90.67167 |
| Forbes Lake Dam | Marion | 38.71167 | -88.74833 |
| Fordam Dam | Winnebago | 42.265 | -89.095 |
| Forest Lake Club Dam | Macoupin | 39.02667 | -89.80833 |
| Forest Lake Dam | Lake | 42.21278 | -88.05472 |
| Fort Charters Sportsmans Club Lake Dam | Randolph | 38.05833 | -90.04167 |
| Four H Memorial Lake Dam | Piatt | 40.00139 | -88.6575 |
| Fox Ridge Lake Dam | Coles | 39.40167 | -88.15667 |
| Franklin Waverly Outing Club Lake Dam | Morgan | 39.61167 | -90.025 |
| Freedom Farm Lake Dam | St. Clair | 38.45 | -89.86167 |
| Freesen Lake Dam | Scott | 39.70167 | -90.46333 |
| French Lake Dam | Macoupin | 39.2 | -89.77167 |
| French Pond Dam | Whiteside | 41.81167 | -89.78667 |
| Fresh Water Lake Dam | Gallatin | 37.73667 | -88.215 |
| Freshwater Lake Dam | Fulton | 40.27 | -90.39333 |
| Fretag Lake Dam | Morgan | 39.81333 | -90.22667 |
| Frosty Acres Lake Dam | Marion | 38.68333 | -88.9 |
| Fyre Lake Dam | Mercer | 41.29556 | -90.48806 |
| Galvins Lake Dam | Cook | 42.11667 | -88.21333 |
| Gaskin Lake Dam | Clay | 38.72 | -88.3 |
| Georgetown Reservoir Dam | Vermilion | 39.95833 | -87.645 |
| Gill Lake Dam | Schuyler | 40.18833 | -90.50167 |
| Gillespie Country Club Lake Dam | Macoupin | 39.20833 | -89.81 |
| Girard Sunset Lake Dam | Macoupin | 39.435 | -89.84833 |
| Glen O Jones Lake Dam | Saline | 37.69 | -88.38167 |
| Glenview Farms Lake Dam | Peoria | 40.65 | -89.98333 |
| Glenwood Lake Dam | Coles | 39.47333 | -88.18833 |
| Godfrey Pond Dam | Madison | 38.96028 | -90.18972 |
| Golf Course Lake Dam | Randolph | 38.00833 | -89.6 |
| Gotter Pond Dam | Jersey | 39.06 | -90.18 |
| Grahams Lake Dam | Peoria | 40.65667 | -89.925 |
| Grand Oaks Lake Dam | Tazewell | 40.59333 | -89.545 |
| Greendale Lake Dam | Clay | 38.65194 | -88.69333 |
| Greenfield City Dam | Greene | 39.33833 | -90.33833 |
| Greenview Country Club Pond One Dam | Marion | 38.48167 | -89.13333 |
| Greenville New City Dam | Bond | 38.935 | -89.39667 |
| Greenville Old City Lake Dam | Bond | 38.59167 | -89.44167 |
| Greenville Rod and Gun Club Lake Dam | Bond | 38.95833 | -89.42833 |
| Greenwood Lake Dam | Champaign | 40.34167 | -88.3 |
| Griffith Farms Lake Dam | White | 38.085 | -88.21333 |
| Grigsby Lake Dam | Madison | 38.82833 | -89.85167 |
| Grindstaff Hollow Club Dam | Gallatin | 37.62 | -88.325 |
| Gumm Lake Dam | Edgar | 39.53333 | -87.74167 |
| Gvillo Pond Dam | Madison | 38.87 | -90.06 |
| Habbes Lake Dam | Washington | 38.30167 | -89.385 |
| Hadley Creek Number 2 Dam | Adams | 39.785 | -91.02667 |
| Hahn Lake Dam | Richland | 38.69333 | -88.06 |
| Hambaugh-Martin Number 1 Dam | Brown | 39.85 | -90.64667 |
| Hambaugh-Martin Number 3 Dam | Brown | 39.86667 | -90.63 |
| Hambaugh-Martin Structure Number 2 Dam | Brown | 39.85833 | -90.64 |
| Hambaugh-Martin Structure Number 5 Dam | Brown | 39.87833 | -90.62667 |
| Hambaugh-Martin Structure Number 6 Dam | Brown | 39.87333 | -90.62833 |
| Hamburgh-Martin Number 6 Dam | Will | 41.505 | -87.9 |
| Happy Hollow Lake Dam | Knox | 40.92667 | -90.07389 |
| Happy Hollow Lake Number 2 Dam | Knox | 40.92667 | -90.07167 |
| Harmon Pond Dam | Bureau | 41.305 | -89.57833 |
| Harrell Lake Dam South | Adams | 39.98667 | -91.06833 |
| Harrell Lake North Dam | Adams | 39.99 | -91.05167 |
| Harrisburg Reservoir Dam | Saline | 37.83667 | -88.59056 |
| Harry Sampsons Lake Dam | Montgomery | 39.09 | -89.56333 |
| Hawthorne Hills Lake Dam | Jefferson | 38.36 | -88.92667 |
| Headquarters Lake Dam | Perry | 38.00333 | -89.51667 |
| Hecks Lake Dam | Marion | 38.58889 | -88.93139 |
| Heeren Pond Dam | Montgomery | 39.02833 | -89.69667 |
| Heild Pond Dam | Jersey | 39.17 | -90.26167 |
| Heitmans Pond Dam | St. Clair | 38.57333 | -90.00667 |
| Heller Lake Dam | Fulton | 40.35167 | -90.41167 |
| Heritage Lake Dam | Tazewell | 40.54667 | -89.34167 |
| Herrin Reservoir Number 1 Dam | Williamson | 37.76361 | -89.03556 |
| Herrin Reservoir Number 2 Dam | Williamson | 37.63611 | -89.01361 |
| Hickory Lake Dam | Logan | 40.28833 | -89.31667 |
| Hidden Valley Lake Dam | Ogle | 42.03333 | -89.14167 |
| Hifer Lake Dam | McLean | 40.66167 | -88.61 |
| Highland Sportsman Club Lake Dam | Madison | 38.755 | -89.69833 |
| Hill Lake Dam | Monroe | 38.47833 | -90.21667 |
| Hohman Lake Dam | Massac | 37.15722 | -88.49611 |
| Holiday Shores Lake Dam | Madison | 38.91 | -89.93333 |
| Hollis Park Dam | Peoria | 40.57833 | -89.74833 |
| Holy Family Villa Lake Dam | Cook | 41.67 | -87.91833 |
| Home Lake Dam | Tazewell | 40.58667 | -89.595 |
| Homer Lake Dam | Champaign | 40.065 | -87.985 |
| Hooper Lake Dam | Jersey | 38.99 | -90.40833 |
| Horton Lake Dam | Hancock | 40.545 | -91.38333 |
| Huegelys Lake Dam | Washington | 38.37167 | -89.325 |
| Humm Lake Dam | Hardin | 37.49167 | -88.39 |
| I C R R Reservoir Dam | Washington | 38.25333 | -89.21333 |
| Illinois Central Reservoir Dam | Jefferson | 38.30861 | -88.73222 |
| Illinois No Name Number 14 Dam | Williamson | 37.77167 | -88.785 |
| Illinois No Name Number 2000 Dam | White | 38.23167 | -88.21667 |
| Illinois No Name Number 2001 Dam | Union | 37.57667 | -89.06 |
| Illinois No Name Number 2010 Dam | Williamson | 37.81333 | -88.89667 |
| Illinois No Name Number 2011 Dam | Williamson | 37.64667 | -89.05667 |
| Illinois No Name Number 2014 Dam | Jefferson | 38.41667 | -88.89167 |
| Illinois No Name Number 2016 Dam | Jefferson | 38.42333 | -88.89833 |
| Illinois No Name Number 2017 Dam | Gallatin | 37.73667 | -88.21833 |
| Illinois No Name Number 2020 Dam | Monroe | 38.24667 | -90.07667 |
| Illinois No Name Number 2023 Dam | Randolph | 38.15833 | -89.64667 |
| Illinois No Name Number 2026 Dam | Saline | 37.86333 | -88.61 |
| Illinois No Name Number 2027 Dam | Monroe | 38.29833 | -90.06 |
| Illinois No Name Number 2030 Dam | Christian | 39.745 | -89.35667 |
| Illinois No Name Number 2037 Dam | Richland | 38.73333 | -88.12333 |
| Illinois No Name Number 2040 Dam | Fayette | 38.85167 | -89.10333 |
| Illinois No Name Number 2042 Dam | Macoupin | 39.05 | -90.07167 |
| Illinois No Name Number 2043 Dam | Clark | 39.4 | -87.59667 |
| Illinois No Name Number 3 Dam | Franklin | 37.96 | -88.86333 |
| Illinois No Name Number 362 Dam | St. Clair | 38.46833 | -90.06833 |
| Illinois No Name Number 63 Dam | Franklin | 37.86667 | -89.02 |
| Illinois No Name Number 81 Dam | Union | 37.485 | -89.12667 |
| Illinois No Name Number 82 Dam | Hardin | 37.54167 | -88.40667 |
| Illinois No Name Number 86 Dam | Pulaski | 37.14667 | -89.22167 |
| Illinois Power Company Lake Dam | Vermilion | 40.17333 | -87.745 |
| Ipava Dam | Fulton | 40.38833 | -90.38333 |
| Irish Lake Dam | McDonough | 40.45667 | -90.81833 |
| Irwin Lake Dam | Mercer | 41.245 | -90.71667 |
| Island Lake Dam | McHenry | 42.27639 | -88.19778 |
| Izaak Walton Lake Dam | Woodford | 40.79361 | -89.40694 |
| Jennifer Creek Reservoir Dam | Hancock | 40.24833 | -91.415 |
| John Goin Lake Dam | Hamilton | 38.10667 | -88.58 |
| Johnson Sauk Trail Lake Dam | Henry | 41.32833 | -89.88833 |
| Johnston City Reservoir Dam | Williamson | 37.80222 | -88.86639 |
| Johnston City Sewage Lagoon Dam | Williamson | 37.80667 | -88.93 |
| Joliet Junior College Lake Dam | Will | 41.51833 | -88.185 |
| Jones Pond Dam | Jersey | 39.06 | -90.22167 |
| Jordan Lake Dam | Richland | 38.675 | -88.04833 |
| Joyces Lake Dam | Madison | 38.98333 | -89.97333 |
| Jug Lake Dam | Adams | 40.01333 | -91.295 |
| Justamir Association Lake Dam | St. Clair | 38.32333 | -90.03 |
| Kapes Lake Dam | St. Clair | 38.65 | -89.91833 |
| Karl Lake Dam | Mercer | 41.31 | -90.495 |
| Kaskaskia Lock and Dam | Randolph | 37.98333 | -89.945 |
| Kays Lake Dam | Pulaski | 37.12611 | -89.22 |
| Kazimier Lake Dam | McHenry | 42.45333 | -88.23333 |
| Keene Lake Dam | Cook | 42.13361 | -88.14611 |
| Keeven Lake Dam | Madison | 38.765 | -89.785 |
| Kellart Lake Dam | Iroquois | 40.60333 | -87.88833 |
| Kemery Lake Dam | Will | 41.365 | -88.10361 |
| Kennel Lake Sportsman Club Lake Dam | Tazewell | 40.64667 | -89.42 |
| Keokuk Dam | Hancock | 40.39889 | -91.36333 |
| Kepler Lake Dam | Stark | 40.98667 | -89.96333 |
| Keystone Anglers Club Lake Dam | Fulton | 40.66333 | -90.195 |
| Kilton Lake Dam | Montgomery | 39.24667 | -89.63833 |
| Kincaid City Lake Dam | Christian | 39.57667 | -89.375 |
| Kings Lake Dam | Marion | 38.56833 | -89.04333 |
| Kingsley Lake Dam | McHenry | 42.475 | -88.535 |
| Kinmundy Lake Dam | Marion | 38.765 | -88.865 |
| Kissinger Lake Dam | Henderson | 41.05667 | -90.815 |
| Klaus Lake Dam | Madison | 38.72333 | -89.62333 |
| Kleinlein Farm Pond Dam | Brown | 39.93 | -90.745 |
| Knights of Pythias Lake Dam | Williamson | 37.68667 | -88.88333 |
| Knox Company Conservation Club Lake Dam | Knox | 40.72667 | -90.34667 |
| Krajec Lake Dam | Edwards | 38.52111 | -88.03667 |
| Krause Pond Dam | Bureau | 41.41 | -89.58667 |
| L and N Reservoir Dam | Jefferson | 38.32111 | -88.91472 |
| La Grange Lock and Dam | Brown | 39.94056 | -90.53333 |
| La Harpe Reservoir Dam | Hancock | 40.625 | -91.03667 |
| Lake Amy Dam | Lake | 42.25 | -88.08833 |
| Lake Arispie Dam | Bureau | 41.305 | -89.41528 |
| Lake Avon Country Club Reservoir Dam | Fulton | 40.66333 | -90.42 |
| Lake Benton Dam | Franklin | 38.055 | -88.91639 |
| Lake Bloomington Dam | McLean | 40.66167 | -89.65 |
| Lake Bracken Dam | Knox | 40.8575 | -90.34861 |
| Lake Camelot Dam | Peoria | 40.6325 | -89.7525 |
| Lake Carlinville Dam | Macoupin | 39.24333 | -89.86667 |
| Lake Carlton Dam | Whiteside | 41.84333 | -89.96167 |
| Lake Carroll Dam | Carroll | 42.18 | -89.89 |
| Lake Catatoga Dam | Macoupin | 39.18861 | -89.94722 |
| Lake Centralia Dam | Marion | 38.55889 | -89.00528 |
| Lake Charles Dam | Lake | 42.255 | -87.96333 |
| Lake Christine Dam | St. Clair | 38.54361 | -89.96 |
| Lake Como Dam | Johnson | 37.58833 | -89.03 |
| Lake Coulterville Dam | Randolph | 38.19833 | -89.59667 |
| Lake Decatur Dam | Macon | 39.82639 | -88.95639 |
| Lake Duquoin Dam | Perry | 38.0625 | -89.22361 |
| Lake Echon Dam | Johnson | 37.51167 | -88.75333 |
| Lake Edward Club Dam | Macoupin | 39.13167 | -89.77667 |
| Lake Emmett Dam | Monroe | 38.215 | -90.05667 |
| Lake George Dam | Cook | 41.48306 | -87.7325 |
| Lake Glenn Shoals Dam | Montgomery | 39.10333 | -89.56167 |
| Lake Hamilton Dam | Franklin | 38.0525 | -88.90583 |
| Lake Heights Dam | Madison | 38.93167 | -89.96667 |
| Lake Helen Dam | Franklin | 37.885 | -89.09 |
| Lake Herman Dam | La Salle | 41.46583 | -88.67056 |
| Lake Hillcrest Dam | Madison | 38.74833 | -89.99333 |
| Lake Hillsboro Dam | Montgomery | 39.18083 | -89.47833 |
| Lake Holiday Dam | La Salle | 41.60556 | -88.67833 |
| Lake in the Hills Dam Number 2 | McHenry | 42.18667 | -88.31833 |
| Lake Iroquois Dam | Iroquois | 40.54 | -88.095 |
| Lake Jacksonville Dam | Morgan | 39.67167 | -90.21333 |
| Lake Jasper Dam | Jasper | 39.00833 | -88.11667 |
| Lake Jaycee Dam | Jefferson | 38.36917 | -88.89722 |
| Lake Joy Dam | Clinton | 38.57556 | -89.39361 |
| Lake Ka-Ho Dam Number 1 | Macoupin | 39.10167 | -89.74833 |
| Lake Ka-Ho Dam Number 2 | Macoupin | 39.1 | -89.74833 |
| Lake Kadijah Dam | DuPage | 41.96472 | -88.0425 |
| Lake Lancelot Dam | Peoria | 40.63167 | -89.74333 |
| Lake Law Dam | DuPage | 41.83667 | -88.22333 |
| Lake Le-Aqua-Na Dam | Stephenson | 42.41889 | -89.82833 |
| Lake Linda Dam | Hancock | 40.46528 | -91.03972 |
| Lake Linden Dam | Lake | 42.42 | -88.03167 |
| Lake Lou Yaeger Dam | Montgomery | 39.18778 | -89.60444 |
| Lake Loudel Dam | Monroe | 38.3 | -90.23 |
| Lake Louise Dam | Cumberland | 39.29667 | -88.285 |
| Lake Lynnhurst Dam | Peoria | 40.7725 | -89.66778 |
| Lake Marian Dam | Kane | 42.12833 | -88.27667 |
| Lake Marie Dam | Fulton | 40.52833 | -90.14167 |
| Lake Matherville Dam | Mercer | 41.26139 | -90.61111 |
| Lake Mattoon Dam | Shelby | 39.33417 | -88.48278 |
| Lake Meadow Dam | Madison | 38.88333 | -89.88833 |
| Lake Mendota Dam | La Salle | 41.55778 | -89.13111 |
| Lake Mildred Dam | Monroe | 38.12528 | -90.12528 |
| Lake Moses Dam | Franklin | 38.01944 | -88.86417 |
| Lake Mount Sterling Dam | Brown | 40.01 | -90.7525 |
| Lake Murphysboro Dam | Jackson | 37.77333 | -88.38 |
| Lake Nellie Dam | Fayette | 39.05 | -88.855 |
| Lake Nelson Dam | Mercer | 41.30028 | -90.83861 |
| Lake Normandy Dam | Jefferson | 38.38833 | -88.92667 |
| Lake Number 5 Dam | Williamson | 37.82333 | -88.89167 |
| Lake Oakland Dam | Coles | 39.66611 | -88.01444 |
| Lake of Egypt Dam | Williamson | 37.625 | -88.95833 |
| Lake of the Coves Dam | Cook | 42.08333 | -88.15833 |
| Lake of the Whispering Oaks Dam | Tazewell | 40.59333 | -89.545 |
| Lake of the Woods Dam | Champaign | 40.20028 | -88.38222 |
| Lake Piasa Dam | Jersey | 39.02 | -90.21167 |
| Lake Prestbury Dam | Kane | 41.77833 | -88.75167 |
| Lake Rice Dam | Knox | 40.94917 | -90.32639 |
| Lake Roberts Dam | Fulton | 40.71028 | -90.31444 |
| Lake Ronnie Dam | Monroe | 38.30833 | -90.11167 |
| Lake Sandpoint Dam | Jasper | 39.06 | -88.12333 |
| Lake Santa Fe Dam | Woodford | 40.79667 | -89.47667 |
| Lake Sara Dam | Effingham | 39.125 | -88.61667 |
| Lake Shelbyville Dam | Shelby | 39.40833 | -88.77778 |
| Lake Shore Drive Pond Dam | Peoria | 40.91333 | -89.66833 |
| Lake Stolberg Dam | St. Clair | 38.49917 | -89.99361 |
| Lake Storey Dam | Knox | 40.9 | -90.40667 |
| Lake Summerset Dam | Winnebago | 42.44778 | -89.38417 |
| Lake Tanglewood Dam | Marshall | 41.085 | -89.26333 |
| Lake Taylorville Dam | Christian | 39.53 | -89.255 |
| Lake Thunderbird Dam | Putnam | 41.20528 | -89.43722 |
| Lake Thunderhawk Dam | Johnson | 37.56167 | -88.755 |
| Lake Vermilion Dam | Vermilion | 40.15611 | -87.65222 |
| Lake Wannetta Dam | Edgar | 39.535 | -87.55 |
| Lake Warren Dam | Warren | 41 | -90.64333 |
| Lake Wildwood Dam | Tazewell | 40.58833 | -89.55 |
| Lake Wildwood Haven Dam | Fulton | 40.52222 | -90.42861 |
| Lake Williamson Dam | Macoupin | 39.24444 | -89.83611 |
| Lake Windermere Dam | Coles | 39.465 | -88.28333 |
| Lake Windsor Dam | Knox | 41.01 | -90.13333 |
| Lakeland Lake Dam | Peoria | 40.69667 | -89.78667 |
| Lakeshore Hills Lake Dam | Adams | 39.95833 | -91.24 |
| Lakewood Subdivision Number 2 Lake West Dam | Madison | 38.77 | -89.97 |
| Lanes Lake Dam | Washington | 38.29833 | -89.53333 |
| Langford Pond Dam | Randolph | 38.12 | -89.77167 |
| Langley Pond Dam | Shelby | 39.37667 | -88.80167 |
| Laue Lake Dam | Ford | 40.7 | -88.23 |
| Lawrence See Lake Dam | Edgar | 39.535 | -87.74167 |
| Le Baube Lake Dam | Tazewell | 40.58833 | -89.285 |
| Leisure Oak Lake Number 1 Dam | Peoria | 40.68167 | -89.71667 |
| Leisure Oak Lake Number 2 Dam | Peoria | 40.68 | -89.77667 |
| Lentman Lake Dam | Livingston | 41.08833 | -88.825 |
| Leo Johnson Lake Dam | Whiteside | 41.81 | -89.79167 |
| Lester Lake Dam | Marion | 38.52333 | -88.82 |
| Levings Lake Dam | Winnebago | 42.26 | -89.13 |
| Libbys Lagoon Number 2 Dam | Tazewell | 40.635 | -89.41833 |
| Libbys Lagoon Number 4 Dam | Tazewell | 40.63833 | -89.425 |
| Limkemann Pond Dam | Hancock | 40.29 | -91.375 |
| Lincoln Trail State Park Lake Dam | Clark | 39.33667 | -87.72333 |
| Litchfield City Lake Dam | Montgomery | 39.17528 | -89.61083 |
| Little Cache Structure Number 1 Dam | Johnson | 37.49333 | -88.87167 |
| Little Cache Structure Number 10 Dam | Johnson | 37.45167 | -88.84333 |
| Little Cache Structure Number 12 Dam | Johnson | 37.49 | -88.915 |
| Little Cache Structure Number 5 Dam | Johnson | 37.48833 | -88.87 |
| Little Cache Structure Number 8 Dam | Johnson | 37.465 | -88.86167 |
| Little Galilee Lake Dam | De Witt | 40.09333 | -89.00333 |
| Little Grassy Dam | Williamson | 37.64694 | -89.13806 |
| Little Rocky Run Lake Dam | Hancock | 40.27333 | -91.41667 |
| Little Sister Lake Dam | Fulton | 40.45833 | -90.05667 |
| Little Swan Lake Dam | Warren | 40.67167 | -90.52417 |
| Little Wabash River Dam | Effingham | 39.105 | -88.59167 |
| Loch Lomond Dam | Lake | 42.27917 | -88.01028 |
| Lock and Dam Number 12 | Jo Daviess | 42.26139 | -90.42 |
| Lock and Dam Number 13 | Whiteside | 41.89806 | -90.15583 |
| Lock and Dam Number 18 | Henderson | 40.88167 | -91.02389 |
| Lock and Dam Number 20 | Adams | 40.14417 | -91.50972 |
| Lock and Dam Number 21 | Adams | 39.90389 | -91.42889 |
| Lock and Dam Number 22 | Pike | 39.63889 | -91.24417 |
| Lock and Dam Number 24 | Calhoun | 39.37778 | -90.90222 |
| Lock and Dam Number 25 | Calhoun | 39.00472 | -90.68639 |
| Lock and Dam Number 26 | Madison | 38.88639 | -90.18472 |
| Lock and Dam Number 51 | Pope | 37.35639 | -88.47889 |
| Lock and Dam Number 53 | Pulaski | 37.20139 | -89.04 |
| Lock and Dam Number Nineteen | Hancock | 40.3975 | -91.26472 |
| Lock and Dam Number Twenty-six | Madison | 38.86917 | -90.15361 |
| Lock Number 10 | Bureau | 41.30417 | -89.50583 |
| Lock Number 11 | Bureau | 41.315 | -89.51167 |
| Lock Number 12 | Bureau | 41.32222 | -89.51806 |
| Lock Number 12 (historical) | La Salle | 41.33528 | -88.89639 |
| Lock Number 13 | Bureau | 41.325 | -89.53139 |
| Lock Number 14 | Bureau | 41.33278 | -89.54306 |
| Lock Number 15 | Bureau | 41.33889 | -89.55139 |
| Lock Number 16 | Bureau | 41.34056 | -89.55389 |
| Lock Number 17 | Bureau | 41.34333 | -89.55722 |
| Lock Number 18 | Bureau | 41.35333 | -89.57333 |
| Lock Number 19 | Bureau | 41.35389 | -89.58806 |
| Lock Number 21 | Bureau | 41.3625 | -89.60278 |
| Lock Number 22 | Bureau | 41.40083 | -89.79806 |
| Lock Number 23 | Henry | 41.42917 | -89.965 |
| Lock Number 24 | Henry | 41.47528 | -90.14194 |
| Lock Number 25 | Henry | 41.47278 | -90.24222 |
| Lock Number 26 | Henry | 41.47306 | -90.26167 |
| Lock Number 27 | Henry | 41.47917 | -90.30472 |
| Lock Number 29 | Henry | 41.47111 | -90.38972 |
| Lock Number 30 (historical) | Rock Island | 41.46139 | -90.54778 |
| Lock Number 31 (historical) | Rock Island | 41.46083 | -90.59278 |
| Lock Number 32 (historical) | Rock Island | 41.48083 | -90.61583 |
| Lock Number 52 | Massac | 37.12639 | -88.65389 |
| Lockport Locks | Will | 41.56944 | -88.07861 |
| Lockport Powerhouse and Controling Work Dam | Will | 41.57 | -88.07833 |
| Long Lake Dam | Fulton | 40.52833 | -90.13167 |
| Longs Lake Dam | Cass | 40.03667 | -90.12167 |
| Lost Lake Dam | Ogle | 41.92 | -89.36833 |
| Lusters Lake Dam | Christian | 39.48333 | -89.34 |
| Lutticken Lake Dam | Tazewell | 40.58667 | -89.59167 |
| Lutticken South Pond Dam | Tazewell | 40.58333 | -89.59333 |
| Lynnwood Lake Dam | Henry | 41.31167 | -90.38667 |
| Lyons Dam | Cook | 41.82 | -87.825 |
| M D Borah Lake Dam | Richland | 38.77333 | -88.07 |
| Macoupin Lake Club Dam | Macoupin | 39.25222 | -89.91306 |
| Madison Lake Dam | Williamson | 37.81056 | -89.11167 |
| Magin Lake Dam | Madison | 38.66333 | -89.94667 |
| Main Lake Dam | Hamilton | 38.07333 | -88.39167 |
| Mann Lake Dam | Massac | 37.22056 | -88.57361 |
| Maple Lake Dam | Cook | 41.71417 | -87.89 |
| Marion Country Club Dam | Williamson | 37.64167 | -88.94333 |
| Marion Reservoir Dam | Williamson | 37.68333 | -88.95278 |
| Marissa Recreation Association North Lake Dam | St. Clair | 38.23833 | -89.725 |
| Marissa Recreation Association South Lake Dam | St. Clair | 38.235 | -89.725 |
| Marissa Reservoir Dam | St. Clair | 38.255 | -89.73 |
| Marlow Pond Dam | Marion | 38.70333 | -88.74667 |
| Marseilles Dam | La Salle | 41.32306 | -88.70806 |
| Marseilles Lock | La Salle | 41.32861 | -88.75417 |
| Marsh Lake Dam | Stark | 41.16333 | -89.72333 |
| Martin Tarble Lake Dam | Clark | 39.47167 | -87.84 |
| Marvin Puzey Lake Dam | Vermilion | 40.06333 | -87.84667 |
| Marysville Fishing Club Lake Dam | Madison | 38.72667 | -89.95 |
| Maupin Lake Dam | Bureau | 41.15333 | -89.49333 |
| Mauvaise Terre Lake Dam | Morgan | 39.71833 | -90.21528 |
| Mayer Pond Dam | Adams | 39.76833 | -91.27667 |
| McCaw Pond Dam | Mercer | 41.13333 | -90.795 |
| McCormick Pond Dam | Schuyler | 40.08667 | -90.57667 |
| McGraw Lake Dam | St. Clair | 38.41 | -89.88333 |
| McHenry Lock and Dam | McHenry | 42.31 | -88.25167 |
| McHenry Locks | McHenry | 42.31056 | -88.25278 |
| McLaughlin Pond Dam | Rock Island | 41.4 | -90.92333 |
| McLeansboro Lake Dam | Hamilton | 38.08389 | -88.55139 |
| McMann Lake Dam | Menard | 40.06667 | -89.60833 |
| Mesa Lake Dam | Wabash | 38.53083 | -87.86111 |
| Micks Lake Dam | Madison | 38.73417 | -89.75361 |
| Midland Employee Lake Dam | Knox | 40.72667 | -90.05167 |
| Midlothian Creek Dam | Cook | 41.595 | -87.75 |
| Milhurst Lake Dam | Kendall | 41.60333 | -88.57667 |
| Mill Creek Structure Number 2 Dam | Clark | 39.38833 | -87.79833 |
| Mill Creek Structure Number 3 Dam | Clark | 39.38667 | -87.73167 |
| Mill Creek Watershed Structure Number 1 Dam | Clark | 39.40667 | -87.795 |
| Mill Creek Watershed Structure Number 7 Dam | Clark | 39.32167 | -87.76833 |
| Miller Lake Dam | Douglas | 39.66167 | -88.04667 |
| Millers Lake Dam | Richland | 38.71 | -88.05 |
| Millstadt Sportsmans Club Lake Dam | St. Clair | 38.45 | -90.03 |
| Milner Lake Dam | Wayne | 38.49333 | -88.58333 |
| Mine Number 21 Dam | Franklin | 38.10333 | -89.00833 |
| Mississippi Lock Number 019 | McHenry | 40.39833 | -91.36333 |
| Mitchell Lake Dam | Tazewell | 40.55667 | -89.37167 |
| Moline Power Dam | Rock Island | 41.51056 | -90.52611 |
| Monee Reservoir Dam | Will | 41.38833 | -87.76111 |
| Montgomery Dam and Lock | Kane | 41.23333 | -88.33667 |
| Montrose City Lake Dam | Cumberland | 39.19333 | -88.30667 |
| Mooseheart Lake Dam | Kane | 41.83083 | -88.33389 |
| Moraine View Dam | McLean | 40.40333 | -88.72333 |
| Morrison Lake Dam | Mercer | 41.215 | -90.93167 |
| Mount Olive City Lake Dam | Macoupin | 39.10389 | -89.76222 |
| MSDGC Dam Number 3 | Fulton | 40.49833 | -90.15333 |
| MSDGC Dam Number 7 | Fulton | 40.47333 | -90.12833 |
| MSDGC Dam Number 9 | Fulton | 40.49167 | -90.15 |
| Mulvaney Pond Dam | Peoria | 40.74667 | -89.58167 |
| Murrayville Woodson Lake Dam | Morgan | 39.615 | -90.23667 |
| Musick Pond Dam | Hancock | 40.225 | -90.81667 |
| Nashville City Reservoir Dam | Washington | 38.34667 | -89.36333 |
| Nashville Reservoir Dam | Washington | 38.34667 | -89.37 |
| National Petroleum Chemical Company Plant Dam | Douglas | 39.80167 | -88.36333 |
| Neffs Lake Dam | Marion | 38.655 | -88.82167 |
| New Cherry Lake Dam | Perry | 38.03333 | -89.22667 |
| New City Lake Dam | Franklin | 37.90833 | -88.80333 |
| New City Reservoir Dam | Randolph | 38.13 | -89.685 |
| New Gillespie Lake Dam | Macoupin | 39.14389 | -89.88806 |
| New Pittsfield Lake Number 1 Dam | Pike | 39.63 | -90.74333 |
| New Pittsfield Lake Number 2 Dam | Pike | 39.65167 | -90.72667 |
| New Thompson Lake Dam | Jackson | 37.745 | -89.25667 |
| New West Fork Club Lake Dam | St. Clair | 38.385 | -90.00667 |
| Newlin Lake Dam | Crawford | 39.06833 | -87.725 |
| Newmans Lake Dam | Clark | 39.35667 | -87.86667 |
| Newton Lake Dam | Marshall | 41.18333 | -89.545 |
| Newton Power Station Lake Dam | Jasper | 38.885 | -88.30333 |
| Newton-Hager Lake Dam | Bureau | 41.185 | -89.53833 |
| Nix Lake Dam | Richland | 38.80833 | -88.235 |
| Nokomis Sportsman Club Lake Dam | Montgomery | 39.26667 | -89.2 |
| Norris City Reservoir Dam | White | 37.97944 | -88.31278 |
| Norris Lake Dam | Henderson | 40.84333 | -90.86667 |
| North Aurora Dam | Kane | 41.80833 | -88.32667 |
| North Gypsum Pond Dam | Bureau | 41.33333 | -89.29333 |
| North Lake Dam | Kane | 42.09167 | -88.235 |
| North Tower Lake Dam | Lake | 42.24667 | -88.15833 |
| Northern Oaks Lake Dam | Tazewell | 40.59333 | -89.53833 |
| Nugent-Schpanski Number 4 Dam | Jersey | 39.015 | -90.44833 |
| Nugent-Schpanski Number 6 Dam | Jersey | 38.99833 | -90.42667 |
| Number 2 Portal Lake Dam | Jefferson | 38.20833 | -89.11 |
| Nystrom Lake Dam | Henry | 41.21833 | -90.195 |
| O'Daniel Lodge Lake Dam Number 1 | Jefferson | 38.395 | -88.73167 |
| O'Daniel Lodge Lake Dam Number 2 | Jefferson | 38.395 | -88.72 |
| Oakwood Country Club Lake Dam | Henry | 41.37167 | -90.47667 |
| Ogden Dam (historical) | Cook | 41.80389 | -87.8025 |
| Olan Bullock Lake Dam | Hamilton | 38.17 | -88.64667 |
| Old Altamont Reservoir Dam | Effingham | 39.07556 | -88.71139 |
| Old City Lake Dam | Franklin | 37.89333 | -88.815 |
| Old City Reservoir Dam | Madison | 38.765 | -89.695 |
| Old Five Lake Dam | Knox | 40.725 | -90.15333 |
| Old Gillespie Lake Dam | Macoupin | 39.14722 | -89.8625 |
| Old Mount Olive City Lake Dam | Macoupin | 39.085 | -89.74639 |
| Old Reservoir Dam | Marion | 38.56222 | -89.1175 |
| Oliver Reece Pond Dam | Fayette | 38.94333 | -88.915 |
| Olsens Lake Dam | Ogle | 41.97 | -89.53167 |
| Omaha City Reservoir Dam | Gallatin | 37.89167 | -88.32 |
| Oregon Dam | Ogle | 42.01667 | -89.33333 |
| Ostermeir Pond Dam | Christian | 39.53667 | -89.34667 |
| Otter Lake Dam | Macoupin | 39.40806 | -89.91167 |
| Outer Breakwater | Cook | 41.89944 | -87.59972 |
| Page Park Dam | Winnebago | 42.30833 | -89.16333 |
| Palmyra-Modesto City Lake Dam | Macoupin | 39.44333 | -89.95833 |
| Pana Lake Dam | Shelby | 39.36167 | -89.02167 |
| Panama Lake Dam | Montgomery | 39.035 | -89.51722 |
| Panhandle Eastern Waverly Lake Dam | Morgan | 39.57333 | -89.98667 |
| Papoose Lake Dam | Cook | 41.665 | -87.85833 |
| Paradise Lake Dam | Coles | 39.41333 | -89.43833 |
| Patoka Club Lake Dam | Marion | 38.78333 | -88.99333 |
| Patrick Lake Dam | McDonough | 40.41833 | -90.635 |
| Patterson Lake Dam | Clay | 38.875 | -88.67333 |
| Patterson Springs Lake Dam | Douglas | 39.79333 | -88.19167 |
| Paul Lake Dam | Warren | 40.74167 | -90.445 |
| Pauline Lake Dam | Effingham | 39.14667 | -88.57167 |
| Peabody Lake Dam | Schuyler | 40.12833 | -90.45333 |
| Peoria Lock and Dam | Peoria | 40.63278 | -89.62556 |
| Pierce Lake Dam | Winnebago | 42.34694 | -88.98722 |
| Pinckneyville Reservoir Dam | Perry | 38.09694 | -89.39528 |
| Pine Lake Dam | Madison | 38.69 | -89.96333 |
| Pine Lakes Country Club South Pond Dam | Tazewell | 40.67 | -89.465 |
| Piney Wood Lake Dam | Washington | 38.28167 | -89.42167 |
| Pleasant Valley Lake Dam | Williamson | 37.62 | -89.00833 |
| Pond 17 Dam | Williamson | 37.71667 | -89.01833 |
| Pond 33 Dam | Williamson | 37.67167 | -89.03667 |
| Pond 38 Dam | Williamson | 37.66667 | -89.06833 |
| Pond 60 Dam | Williamson | 37.69 | -88.98333 |
| Pont-Ca Lake Dam | White | 38.07611 | -88.21194 |
| Potthast Lake Dam | Bond | 38.77 | -89.56667 |
| Pounds Hollow Dam | Gallatin | 37.62167 | -88.27139 |
| Powerton Cooling Lake Dam | Tazewell | 40.54 | -89.68833 |
| Puddle Pond Dam | Will | 41.575 | -88.22167 |
| Raccoon Lake Dam | Marion | 38.54333 | -89.10833 |
| Radnor Rod and Gun Club Lake Dam | Peoria | 40.82667 | -89.68167 |
| Ramsey Lake Dam | Fayette | 39.16 | -89.13583 |
| Randolph County Lake Dam | Randolph | 37.97 | -89.795 |
| Raw Water Reservoir Dam | Jefferson | 38.15 | -89.02833 |
| Rayburn Lake Dam | Madison | 38.77 | -89.64667 |
| Recirculation Pond Dam | Macoupin | 39.20333 | -89.87 |
| Red Hills State Park Lake Dam | Lawrence | 38.72833 | -87.83833 |
| Rend Lake Dam | Franklin | 38.03667 | -88.96667 |
| Renee Lake Dam | Mercer | 41.30667 | -90.48333 |
| Rich Lake Dam | Woodford | 40.73167 | -89.32667 |
| Richton Crossing Dam | Cook | 41.48333 | -87.73167 |
| Ridgeway Lake Dam | Crawford | 39.09667 | -87.82333 |
| Rinco Instrument Corporation Lake Dam | Bond | 38.91167 | -89.425 |
| Rising Spring Orchard Lake Dam | Pike | 39.67833 | -90.92333 |
| River King Mine Lake Dam | St. Clair | 38.445 | -89.87833 |
| Riverview Dam | Coles | 39.45833 | -88.14667 |
| Roachtown Lake Dam | St. Clair | 38.46167 | -90.045 |
| Road Fill Lake Dam | Fulton | 40.49167 | -90.15667 |
| Robert Lashbrook Pond Dam | Clark | 39.38833 | -87.775 |
| Roberts Lake Dam | Effingham | 38.96167 | -88.75167 |
| Robinson Lake Dam | Wayne | 38.55167 | -88.265 |
| Rochester-Goodell Reservoir Dam | Marion | 38.71333 | -88.955 |
| Rock River Dam | Lee | 41.845 | -89.48167 |
| Rockton Dam | Winnebago | 42.45667 | -89.07833 |
| Rocky Ford Pond Dam | Clinton | 38.58667 | -89.645 |
| Rocky Ford Sportsman Club North Lake Dam | Montgomery | 39.07833 | -89.37667 |
| Rocky Ford Sportsman Club South Lake Dam | Montgomery | 39.075 | -88.375 |
| Rocky Run Lake Dam | Hancock | 40.26833 | -91.41667 |
| Roney Lake Dam | Warren | 41.01 | -90.63833 |
| Roodhouse Lake Dam | Greene | 39.46167 | -90.365 |
| Rose Lake Dam | Marion | 38.62306 | -88.79056 |
| Round Grove Sportsman Lake Dam | Clark | 39.34167 | -87.91333 |
| Round Lake Dam | Lake | 42.36417 | -88.07806 |
| Roundhouse Lake Dam | Knox | 41.00833 | -90.12833 |
| Rowden Lake Dam | Jersey | 39.10333 | -90.14833 |
| Rowe Lake Dam | Morgan | 39.65167 | -90.28333 |
| Royal Lake Resort Dam Number 1 | Macoupin | 39.11139 | -89.96083 |
| Runoff Collection Dam | Hamilton | 38.065 | -88.47667 |
| Rustic Acres Lake Dam | Henry | 41.50333 | -90.27 |
| Saddle Dam Number 2 | Clinton | 38.61222 | -89.315 |
| Saddle Dam Number 3 | Clinton | 38.62694 | -89.25583 |
| Saint Charles South Dam | Kane | 41.915 | -88.31667 |
| Saint Elmo Old City Reservoir Dam | Fayette | 39.01667 | -88.855 |
| Saint Marys Lake Dam | Lake | 42.28306 | -87.98028 |
| Saint Peter Sportsman Dam | Fayette | 38.89667 | -88.97667 |
| Salem Reservoir Dam | Marion | 38.64056 | -88.94556 |
| Sam Dale Lake Dam | Wayne | 38.5375 | -88.595 |
| Sam Parr Lake Dam | Jasper | 39.01333 | -88.11833 |
| Sandy Run Lake Dam | White | 37.93083 | -88.35861 |
| Sangchris Lake Dam | Christian | 39.66667 | -89.5 |
| Santa Fe Lake Dam | Peoria | 40.94 | -89.58667 |
| Sauk Trail Dam | Will | 41.48833 | -87.79667 |
| Sauk Trail Lake Dam | Cook | 41.49111 | -87.65472 |
| Schaffner Lake Number 1 Dam | Randolph | 38.12333 | -89.89167 |
| Scheuermann Lake Dam | Adams | 40.155 | -91.38333 |
| Schlipf Lake Dam | Woodford | 40.62 | -89.11 |
| Schneider Pond Dam | Gallatin | 37.615 | -88.21667 |
| Schwebel Brothers Dam | St. Clair | 38.345 | -89.91333 |
| Scott Air Force Base Pond Dam | St. Clair | 38.55333 | -89.84 |
| Sears Lake Dam | McLean | 40.555 | -89.22167 |
| Sediment Control Structure Pond Number 22 Dam | Henderson | 40.85833 | -90.78833 |
| Shabbona Lake Dam | DeKalb | 41.73944 | -88.85222 |
| Shad Lake Dam | Macoupin | 39.11111 | -89.97 |
| Shady Eighty Acres Lake Dam | Greene | 39.29333 | -90.205 |
| Shaufler Pond Dam | Randolph | 38.20667 | -89.725 |
| Shebb Oaks Lake Dam | Knox | 41.00167 | -90.22333 |
| Shepherd Pond Dam | Tazewell | 40.65667 | -89.43 |
| Sherwood Forest Lake Dam | Clark | 39.37 | -87.90833 |
| Shipman Reservoir Dam | Macoupin | 39.125 | -90.05 |
| Shoal Creek Watershed Structure Number 14 Dam | Montgomery | 39.235 | -89.44 |
| Shoal Creek Watershed Structure Number 2 Dam | Montgomery | 39.27333 | -89.61167 |
| Shoal Creek Watershed Structure Number 5 Dam | Montgomery | 39.14667 | -89.47833 |
| Shoemakers Pond Dam | Effingham | 39.04667 | -88.69167 |
| Shore Arm Breakwater | Cook | 41.90194 | -87.61306 |
| Sill Lake Dam | Adams | 40.17 | -91.39167 |
| Siloam Springs Lake Dam | Adams | 39.88 | -90.935 |
| Silver Lake Dam | Madison | 38.765 | -89.69833 |
| Simpson Pond Dam | Randolph | 38.13833 | -89.95833 |
| Sims Pond Dam | Adams | 39.90667 | -91.05167 |
| Sludge Pond Number 1-3A Berm Dam | Fulton | 40.49333 | -90.10833 |
| Slug Run Lake Dam | Fulton | 40.49667 | -90.15667 |
| Slurry Impoundment Number 1 Dam | Christian | 39.585 | -89.52 |
| Slurry Lake Number 1 Dam | Peoria | 40.745 | -89.89333 |
| Small Timber Lake Dam | Peoria | 40.71 | -89.685 |
| Smallpox Creek Dam | Jo Daviess | 42.39833 | -90.35 |
| Smith Lake Dam | Jersey | 38.99 | -90.28333 |
| Smithland Lock One Dam | Pope | 37.42222 | -88.42972 |
| Smithton Sportmans Club Lake Dam | St. Clair | 38.37667 | -90.01667 |
| Snake Trail Campground Lake Dam | Clark | 39.34667 | -87.91 |
| Sorento Reservoir Dam | Bond | 38.99 | -89.555 |
| South Dam on Salt Creek | Cook | 42.01667 | -88.00167 |
| South Lake Dam | McHenry | 42.21333 | -88.38167 |
| South Lake of the Coves Dam | Cook | 42.08333 | -88.15333 |
| South Pond Dam | Peoria | 40.79833 | -89.78667 |
| South Warner Pond Dam | Peoria | 40.72333 | -89.975 |
| Southerly Breakwater | Cook | 41.87139 | -87.61222 |
| Southwestern Community Club Lake Dam | Randolph | 38.01167 | -89.6 |
| Spaulding Dam | Sangamon | 39.75944 | -89.60028 |
| Spillway 531 | Will | 41.30056 | -88.15139 |
| Spin Lake Dam | McLean | 40.55667 | -89.25667 |
| Spoon Lake Dam | Knox | 40.95111 | -90.12472 |
| Sportsman Lake Dam | Clinton | 38.63944 | -89.66278 |
| Spring Valley Estates Lake Dam | Jersey | 38.99667 | -90.40167 |
| Spring Valley Lake Dam | Kane | 41.97667 | -88.385 |
| Staab Pond Dam | Peoria | 40.90167 | -89.575 |
| Stanbery Lake Dam | Fayette | 38.94167 | -89.03833 |
| Standard City Lake Dam | Macoupin | 39.33833 | -89.785 |
| Stark Pond Dam | Woodford | 40.665 | -89.07167 |
| Starved Rock Lock and Dam | La Salle | 41.32222 | -88.985 |
| Staunton Coal Company Reservoir Dam | Madison | 38.92833 | -89.72333 |
| Staunton Country Club Lake Dam | Macoupin | 39.045 | -89.81 |
| Staunton Reservoir Dam | Macoupin | 39.0425 | -89.78111 |
| Stone Pond Dam | Bond | 38.90333 | -89.29833 |
| Stroyan Lake Dam | Lee | 41.73167 | -88.95833 |
| Structure Number 1 Dam | Schuyler | 40.07 | -90.44 |
| Structure Number 12 Dam | Schuyler | 40.05333 | -90.47833 |
| Structure Number 13 Dam | Schuyler | 40.055 | -90.47167 |
| Structure Number 15 Dam | Schuyler | 40.06167 | -90.46 |
| Structure Number 2 Dam | Schuyler | 40.075 | -90.46 |
| Structure Number 5 Dam | Schuyler | 40.06333 | -90.55333 |
| Structure Number 6 Dam | Schuyler | 40 | -90.57833 |
| Structure Number 7 Dam | Schuyler | 40.04333 | -90.49667 |
| Structure Number 8 Dam | Schuyler | 40.045 | -90.495 |
| Structure Number 9 Dam | Schuyler | 40.04833 | -90.49167 |
| Sudduth Lake Dam | Sangamon | 39.71667 | -89.81833 |
| Sullivan Lake Dam | Fulton | 40.22833 | -90.445 |
| Sunset Hills Dam Number 1 | Tazewell | 40.54 | -89.61833 |
| Sunset Hills Dam Number 2 | Tazewell | 40.53833 | -89.61667 |
| Sunset Hills Golf Course Lake Dam | Tazewell | 40.54 | -89.61333 |
| Sunset Lake Dam | Wayne | 38.33833 | -88.35333 |
| Sunset Lake Subdivision Dam | McLean | 40.60833 | -89.11 |
| Superior Lake Dam | Jefferson | 38.41639 | -89.04667 |
| Sutton Pond Dam | Tazewell | 40.52667 | -89.435 |
| Swearingen Lake Dam | Mercer | 41.19333 | -90.67167 |
| Sweeneys Pond Dam | Fulton | 40.56 | -90.36333 |
| Sweet Lake Dam | Williamson | 37.82667 | -88.90667 |
| Swint Lake Dam | Henry | 41.42333 | -90.24833 |
| Sycamore Creek Dam | Jackson | 37.65 | -89.16833 |
| Sylvan Lake Dam | Lake | 42.24278 | -88.04778 |
| Tall Timbers Lake East Dam | Macoupin | 39.04833 | -89.76333 |
| Tall Timbers Lake West Dam | Macoupin | 39.05 | -89.76667 |
| Tall Tree Lake Dam | Johnson | 37.475 | -88.93833 |
| Tampier Lake Dam | Cook | 41.64667 | -87.90667 |
| Taphorn Pond Dam | Randolph | 38.13667 | -89.85167 |
| Tara Lake Dam | Kane | 42.10333 | -88.325 |
| Taylor Lake Dam | Knox | 40.77667 | -90.18667 |
| Teal Lake Dam | Williamson | 37.65333 | -88.965 |
| Techny Reservoir Dam | Cook | 42.10667 | -87.69333 |
| Temples Pond Dam | Coles | 39.615 | -88.02833 |
| Third Lake Dam | Edgar | 39.625 | -87.675 |
| Thomas J O'Brien Lock and Dam | Cook | 41.65222 | -87.56667 |
| Thomas Lake Dam | Hancock | 40.48167 | -91.075 |
| Thompson Pond Dam | Henry | 41.17833 | -90.19667 |
| Thunderbird Lake Dam Number 1 | McHenry | 42.275 | -88.26833 |
| Thunderbird Lake Dam Number 2 | McHenry | 42.27667 | -88.26833 |
| Timber Acres Lake Dam | Christian | 39.81167 | -89.40833 |
| Timber Lake Dam | Carroll | 42.05222 | -89.94083 |
| Tiskilwa Watershed Structure Number 1 Dam | Bureau | 41.28333 | -89.555 |
| Tiskilwa Watershed Structure Number 2 Dam | Bureau | 41.29 | -89.525 |
| Tiskilwa Watershed Structure Number 4 Dam | Bureau | 41.28833 | -89.51833 |
| Tiskilwa Watershed Structure Number 5 Dam | Bureau | 41.28833 | -89.50833 |
| Tomahawk Lake Dam | Bond | 38.76056 | -89.51694 |
| Tower Lake Dam | Lake | 42.23167 | -88.15528 |
| Traer Lake Dam | Fulton | 40.53167 | -90.14333 |
| Trago Lake Dam | Clay | 38.68528 | -88.55833 |
| Traina Pond Dam | Ogle | 42.01667 | -89.22167 |
| Trautman Lake Dam | Champaign | 40.225 | -88.37833 |
| Truax Lake Dam | Fulton | 40.53167 | -90.15333 |
| Turkey Hill Dam | St. Clair | 38.475 | -89.9 |
| Turkey Hollow Dam | Rock Island | 41.41 | -90.67167 |
| Twin Lakes Dam | Madison | 38.72833 | -89.865 |
| Ulrich Lake Dam | Pulaski | 37.25167 | -89.005 |
| Underwood Pond Dam | Peoria | 40.88667 | -89.79 |
| Valevue Lake Dam | Morgan | 39.8 | -90.225 |
| Valier Lake Dam | Franklin | 38.03972 | -89.04639 |
| Valley Friends Lake Dam | Rock Island | 41.42667 | -90.785 |
| Valley View Club Lake Dam | Henry | 41.285 | -90.19167 |
| Van Winkle Lake Dam | Fulton | 40.55 | -90.04667 |
| Vandalia Municipal Reservoir Dam | Fayette | 39.01167 | -89.11333 |
| Venado Grande Lake Dam | Tazewell | 40.42833 | -89.51 |
| Venado Pequeno Lake Dam | Tazewell | 40.42667 | -89.50833 |
| Vermilion River Dam | Livingston | 41.08667 | -88.81 |
| Vermont New Lake Dam | McDonough | 40.305 | -90.46167 |
| Vernor Lake Dam | Richland | 38.76389 | -88.10222 |
| Vesper Lake Dam | Madison | 38.985 | -89.835 |
| Vienna Reservoir Dam | Johnson | 37.41833 | -88.89 |
| Virden Recreation Club Lake Dam | Macoupin | 39.515 | -89.78833 |
| Virginia Lake Dam | Cass | 39.96833 | -90.20833 |
| Wabash Valley Club Conservation Lake Dam | Wabash | 38.44639 | -87.81556 |
| Waheld Pond Dam | Tazewell | 40.6 | -89.60167 |
| Walnut Point State Park Lake Dam | Douglas | 39.695 | -88.03333 |
| Walnut Pond Dam | Ogle | 42.07333 | -89.23 |
| Walter Scott Lake Dam | Effingham | 38.96 | -88.52333 |
| Walton Park Lake Dam | Montgomery | 39.15639 | -89.655 |
| Waltonville Lake Dam | Jefferson | 38.20833 | -89.04167 |
| Wardens Pond Dam | Randolph | 37.91667 | -89.84 |
| Ware Brothers Pond Dam | Morgan | 39.52 | -90.235 |
| Warner Pond Number 2 Dam | Peoria | 40.73 | -89.98167 |
| Warren Levis Lake Dam | Madison | 38.9475 | -90.22667 |
| Washington County Lake Dam | Washington | 38.26861 | -89.36056 |
| Waterloo New Reservoir Dam | Monroe | 38.315 | -90.16667 |
| Waterloo Reservoir Number 1 Dam | Monroe | 38.31667 | -90.16667 |
| Waterloo Reservoir Number 2 Dam | Monroe | 38.31833 | -90.165 |
| Waterloo Sportsman Club Lake Dam Number 1 | Monroe | 38.25333 | -90.10667 |
| Waterloo Sportsman Club Lake Dam Number 2 | Monroe | 38.25333 | -90.105 |
| Waverly City Lake Dam | Morgan | 39.6 | -90.01 |
| Wayne Helen Lake Dam | Montgomery | 39.155 | -89.61167 |
| Webber Lake Dam | Richland | 38.77167 | -88.07167 |
| Wee Ma Tuk Lake Dam | Fulton | 40.535 | -90.16 |
| Wee-Ma-Tuk-Lake-South Dam | Fulton | 40.52833 | -90.15333 |
| Weingardt Pond Dam | Sangamon | 39.89667 | -89.58333 |
| Weiss Lake Dam | Madison | 38.70667 | -89.16833 |
| Weldon Springs Lake Dam | De Witt | 40.11833 | -88.92667 |
| Weslake Dam | St. Clair | 38.595 | -90.02833 |
| West Lake Country Club Lake Dam | Jersey | 39.12667 | -90.475 |
| West Lake Dam | Crawford | 39.00083 | -87.80417 |
| White Hall Reservoir Dam | Greene | 39.44167 | -90.37667 |
| White Lake Dam | Lake | 42.45 | -88.03667 |
| White Pine Ditch Reservoir Dam | Cook | 42.14333 | -87.95667 |
| Whites Pond Dam | Macoupin | 39.4 | -89.87 |
| Whitfield Lake Dam | Macoupin | 39.16667 | -89.14167 |
| Whoopie Cat Dam | Hardin | 37.48333 | -88.32667 |
| Widner Lake Dam | Iroquois | 40.515 | -88.1 |
| Wildwood Lake Dam | Marshall | 41.07944 | -89.28694 |
| Wilkinson Pond Dam | Madison | 38.955 | -90.23167 |
| Willaredt Lake Dam | Madison | 38.805 | -89.865 |
| Williamson Dam | Madison | 38.99 | -89.75833 |
| Willow Lake Dam | Stephenson | 42.33167 | -89.63833 |
| Willow Road Dam | Cook | 42.10167 | -87.75917 |
| Wilman Sportsman Club East Lake Dam | Tazewell | 40.58 | -89.4 |
| Wilman Sportsman Club West Lake Dam | Tazewell | 40.58 | -89.4 |
| Windfall Lake Dam | Vermilion | 40.22 | -87.7275 |
| Wold Lake Dam | McHenry | 42.32833 | -88.37167 |
| Wolf Pond Dam | Fulton | 40.61667 | -90.06167 |
| Wonder Lake Dam | McHenry | 42.40833 | -88.34111 |
| Wood Lake Dam | Moultrie | 39.52667 | -88.61167 |
| Woodbine Country Club Lake Dam | Greene | 39.39667 | -90.225 |
| Woodhaven Lake Dam | Lee | 41.6575 | -89.30556 |
| Woods Lake Dam | Fulton | 40.52833 | -90.14 |
| Wyatt Pond Dam | Morgan | 39.86333 | -90.07167 |
| Yates Lake Dam | Madison | 38.945 | -89.93 |
| Yearhing Lake Dam | Perry | 38.01167 | -89.48833 |
| YMCA Camp Lake Dam | St. Clair | 38.48 | -90.02167 |
| Yoch Lake Dam | St. Clair | 38.54194 | -89.96778 |
| Young-Gibson Lake Dam | Henderson | 40.87833 | -90.79167 |
| Youngquist Lake Dam | Warren | 40.78167 | -90.51 |
| Zeigler City Lake Dam | Franklin | 37.92611 | -89.03333 |
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