Dams in Illinois
%!s(int=1630)Total Dams
250High Hazard
361Significant
1008Low Hazard
Dam Safety in Illinois
Illinois has 1,630 dams tracked in the National Inventory of Dams. Of these, 250 (15%) are classified as high hazard — meaning failure would probably cause loss of human life — and 361 are classified as significant hazard. Currently, 6 dams in the state have a condition assessment of poor or unsatisfactory, indicating recognized safety deficiencies.
The average dam in Illinois is 60 years old. The most common purpose for dams in Illinois is recreation, accounting for 858 of the state's dams.
Use the search above to find dams near any address in Illinois, or browse by county below. Each dam listing includes its hazard potential classification, condition assessment, physical characteristics, and inspection history from the NID.
Illinois Dam Facts
| Total Dams | 1,630 |
| High Hazard Dams | 250 |
| Average Dam Age | 60 years |
| Tallest Dam | 175 ft |
| Largest Reservoir | 1,026,546 acre-ft |
| Poor/Unsatisfactory Condition | 6 |
Notable Dams in Illinois
Counties in Illinois
Adams25 dams4 high hazardAlexander3 dams1 high hazardBallard1 damsBond13 damsBoone2 dams1 high hazardBrown16 damsBureau14 dams6 high hazardCarroll6 dams1 high hazardCass6 dams2 high hazardChampaign7 dams1 high hazardChristian15 dams4 high hazardClark20 dams1 high hazardClay6 damsClinton14 dams2 high hazardColes15 dams2 high hazardCook44 dams14 high hazardCrawford11 dams1 high hazardCumberland4 dams1 high hazardDe Witt7 dams1 high hazardDeKalb8 dams3 high hazardDouglas4 damsDuPage30 dams6 high hazardEdgar6 damsEdwards6 damsEffingham10 damsFayette13 dams1 high hazardFord2 damsFranklin33 dams6 high hazardFulton56 dams6 high hazardGallatin10 damsGreene20 damsGrundy6 dams1 high hazardHamilton13 dams4 high hazardHancock13 dams1 high hazardHardin6 damsHenderson9 damsHenry11 dams1 high hazardIroquois4 damsJackson23 dams7 high hazardJasper8 damsJefferson28 dams4 high hazardJersey31 dams1 high hazardJo Daviess7 dams2 high hazardJohnson18 damsKane36 dams6 high hazardKankakee2 dams1 high hazardKendall7 damsKnox24 dams4 high hazardLaSalle18 dams7 high hazardLake28 dams10 high hazardLawrence2 damsLee7 dams1 high hazardLivingston6 damsLogan4 dams2 high hazardMacon5 dams2 high hazardMacoupin97 dams8 high hazardMadison63 dams12 high hazardMarion20 dams3 high hazardMarshall4 dams2 high hazardMason9 dams3 high hazardMassac4 damsMcDonough29 dams1 high hazardMcHenry21 dams4 high hazardMcLean16 dams4 high hazardMenard4 dams1 high hazardMercer13 damsMonroe22 dams4 high hazardMontgomery48 dams8 high hazardMorgan27 dams1 high hazardMoultrie5 damsOgle9 dams2 high hazardPeoria49 dams7 high hazardPerry11 damsPiatt1 damsPike11 dams1 high hazardPope5 damsPulaski4 damsPutnam7 dams1 high hazardRandolph26 dams2 high hazardRichland10 dams2 high hazardRock Island12 dams2 high hazardSaline23 dams2 high hazardSangamon18 dams3 high hazardSchuyler30 dams4 high hazardScott3 damsShelby7 dams2 high hazardSt. Charles1 damsSt. Clair60 dams16 high hazardStark4 damsStephenson4 dams2 high hazardTazewell43 dams5 high hazardUnion8 dams3 high hazardVermilion9 dams1 high hazardWabash5 damsWarren13 damsWashington13 dams2 high hazardWayne10 damsWhite7 dams2 high hazardWhiteside6 dams1 high hazardWill38 dams7 high hazardWilliamson30 dams6 high hazardWinnebago18 dams7 high hazardWoodford10 dams1 high hazard
High Hazard Dams in Illinois
| Dam | County | Height | Condition | Purpose |
|---|---|---|---|---|
| Shelbyville Dam | Shelby | 138 ft | Not Available | Flood Risk Reduction |
| Duck Creek Station Dams | Fulton | 123 ft | Not Available | Other |
| Devil`s Kitchen Dam | Williamson | 121 ft | Satisfactory | Fish and Wildlife Pond |
| Sugar Camp/mine 1/north Refuse Disposal Facility Dam | Franklin | 117 ft | Not Available | Tailings |
| Macoupin Energy Refuse Disposal Area 6 | Macoupin | 117 ft | Not Available | Tailings |
| Thorton Quarry Gap Dam | Cook | 116 ft | Not Available | Flood Risk Reduction |
| American Coal/galatia/bunkhouse Rdf Dam | Saline | 110 ft | Not Available | Other |
| International Coal/viper/slurry Impoundment | Logan | 109 ft | Not Available | Other |
| Arclar/willow Lake/refuse Area 2 Dam | Saline | 108 ft | Not Available | Tailings |
| Coffeen Gmf Gypsum Stack Dam | Montgomery | 108 ft | Not Available | Debris Control |
| International Coal/viper/north Slurry Impoundment Dam | Logan | 105 ft | Not Available | Other |
| Consol/rend Lake Mine/slurry Cell 2 Dam | Jefferson | 100 ft | Not Available | Other |
| Kinkaid Lake Dam | Jackson | 96 ft | Not Available | Recreation |
| Macoupin Energy/refuse Disposal Area 5 | Macoupin | 95 ft | Not Available | Other |
| Farmdale Dam | Tazewell | 90 ft | Not Available | Flood Risk Reduction |
| Williamson Energy/pond Creek Mine/refuse Disposal Facility | Williamson | 88 ft | Not Available | Other |
| Little Grassy Dam | Williamson | 88 ft | Fair | Fish and Wildlife Pond |
| Lake Thunderbird Dam | Putnam | 86 ft | Not Available | Recreation |
| Sugar Camp/mine 1/coal Refuse Disposal 1 Dam | Franklin | 86 ft | Not Available | Tailings |
| Lake Petersburg Dam | Menard | 85 ft | Not Available | Recreation |
| Wildwood Lake Dam | Marshall | 84 ft | Not Available | Recreation |
| East Fork Lake Dam | Richland | 84 ft | Not Available | Recreation |
| Lake Mcmaster Dam | Knox | 81 ft | Not Available | Recreation |
| Hillsboro Energy/deer Run/crd 1 Dam | Montgomery | 80 ft | Not Available | Tailings |
| Lake George Dam | Rock Island | 78 ft | Not Available | Recreation |
| Apple Canyon Lake Dam | Jo Daviess | 78 ft | Not Available | Recreation |
| Hillboro Energy/deer Run/crd 2 Dam | Montgomery | 77 ft | Not Available | Other |
| Hamilton County Coal/hamilton County/coal Refuse 2 Dam | Hamilton | 76 ft | Not Available | Other |
| Arentsen Pond Dam | Hamilton | 75 ft | Not Available | Other |
| Consol/rend Lake Mine/slurry Impoundment 1 | Jefferson | 75 ft | Not Available | Other |
| Cedar Lake Dam | Jackson | 74 ft | Not Available | Recreation |
| Spoon Lake Dam | Knox | 74 ft | Not Available | Recreation |
| Leroy Hinkle Dam | Carroll | 74 ft | Not Available | Recreation |
| Fondulac Dam | Tazewell | 74 ft | Not Available | Flood Risk Reduction |
| Stonewolf Golf Course Lake Dam | St. Clair | 72 ft | Not Available | Recreation |
| Evergreen Lake Dam | Woodford | 69 ft | Not Available | Water Supply |
| Prairie Lake Dam | Cass | 68 ft | Not Available | Recreation |
| Springfield Coal/orient 4/east Slurry Imp | Williamson | 66 ft | Not Available | Other |
| Crab Orchard Dam | Williamson | 65 ft | Fair | Fish and Wildlife Pond |
| Clinton Power Station/clinton Lake Dam | De Witt | 65 ft | Not Available | Recreation |
| Lockport Lock And Controlling Works | Will | 65 ft | Not Available | Navigation |
| Doyle Lake Dam | Adams | 62 ft | Not Available | Fish and Wildlife Pond |
| Tiskilwa Strucure 2 Dam | Bureau | 61 ft | Not Available | Flood Risk Reduction |
| Smallpox Creek Dam | Jo Daviess | 60 ft | Not Available | Recreation |
| Tiskilwa Structure 5 Dam | Bureau | 60 ft | Not Available | Flood Risk Reduction |
| Tom Steele Dam | Rock Island | 59 ft | Not Available | Recreation |
| Tiskilwa Structure 4 Dam | Bureau | 59 ft | Not Available | Flood Risk Reduction |
| Macoupin Energy Smith Reservoir Dam | Macoupin | 58 ft | Not Available | Recreation |
| Canton City Lake Dam | Fulton | 57 ft | Not Available | Recreation |
| Exxonmobil Coal Usa/mine 2/refuse Disposal Area 2 | Clinton | 56 ft | Not Available | Other |
| Lake Camelot Dam | Peoria | 56 ft | Not Available | Recreation |
| Airstrip Reservoir Dam | Jersey | 55 ft | Not Available | Recreation |
| Lake Of Egypt Dam | Williamson | 55 ft | Not Available | Other |
| Baldwin Plant Cooling Lake Dikes | St. Clair | 55 ft | Not Available | Other |
| Sangchris Lake Dam | Christian | 55 ft | Not Available | Recreation |
| Spring Arbor Lake Dam | Jackson | 55 ft | Not Available | Recreation |
| Baldwin Plant Cooling Lake Dam | Randolph | 55 ft | Not Available | Other |
| Si Energy/mine 25/slurry Cell 2 Dam | Franklin | 55 ft | Not Available | Other |
| Lake Lancelot Dam | Peoria | 54 ft | Not Available | Recreation |
| Lake Lou Yaeger Dam | Montgomery | 54 ft | Not Available | Recreation |
| Rend Dam | Franklin | 54 ft | Not Available | Flood Risk Reduction |
| Pana Lake Dam | Shelby | 53 ft | Not Available | Recreation |
| Lake Storey Dam | Knox | 53 ft | Not Available | Recreation |
| Lincoln Trail State Park Lake Dam | Clark | 52 ft | Not Available | Recreation |
| Hollis Park Dam | Peoria | 51 ft | Not Available | Recreation |
| Litchfield City Lake Dam | Montgomery | 51 ft | Not Available | Recreation |
| Horton Lake Dam | Hancock | 50 ft | Not Available | Recreation |
| Vandalia Municipal Reservoir Dam | Fayette | 50 ft | Not Available | Recreation |
| Norris Slurry Impoundment | Fulton | 50 ft | Not Available | Other |
| Tiskilwa Structure 1 Dam | Bureau | 49 ft | Not Available | Flood Risk Reduction |
| Spaulding Dam | Sangamon | 48 ft | Not Available | Recreation |
| Alpine Dam | Winnebago | 48 ft | Not Available | Flood Risk Reduction |
| Exxonmobil Coal Usa/mine 2/refuse Disposal Area 1 | Clinton | 47 ft | Not Available | Tailings |
| Coal & Crane Creek Structure 5 | Schuyler | 47 ft | Not Available | Other |
| Paradise Lake Dam | Coles | 46 ft | Not Available | Recreation |
| Pierce Lake Dam | Winnebago | 46 ft | Not Available | Recreation |
| Clearwater Pond Dam | Bureau | 45 ft | Not Available | Other |
| Dunlap Lake Dam | Madison | 45 ft | Not Available | Recreation |
| Lake Vermilion Dam | Vermilion | 45 ft | Not Available | Water Supply |
| Alto Pass Reservoir Dam | Union | 45 ft | Not Available | Recreation |
| Brandon Road Lock And Dam | Will | 45 ft | Not Available | Navigation |
| Drake Lake Dam | Cass | 44 ft | Not Available | Fish and Wildlife Pond |
| Lake Summerset Dam | Winnebago | 44 ft | Not Available | Recreation |
| Stone Creek Golf Club Lake Dam | Jackson | 43 ft | Not Available | Water Supply |
| Coal And Crane Creek Structure 8 | Schuyler | 43 ft | Not Available | Other |
| Macoupin Energy Recirculation Pond Dam | Macoupin | 43 ft | Not Available | Water Supply |
| Coal And Crane Creek Structure 12 | Schuyler | 43 ft | Not Available | Other |
| Lasalle Co. Nuclear Station Cooling Lake Dam | LaSalle | 43 ft | Not Available | Other |
| Castle Ridge Lake Dam | Madison | 42 ft | Not Available | Recreation |
| Eckert Lake Dam | St. Clair | 42 ft | Not Available | Recreation |
| Moraine View Dam | McLean | 42 ft | Not Available | Recreation |
| Sunset Hills Lake 1 Dam | Tazewell | 42 ft | Not Available | Irrigation |
| Lake Carlton Dam | Whiteside | 41 ft | Not Available | Recreation |
| Holiday Lake Dam | LaSalle | 41 ft | Not Available | Recreation |
| Page Park Dam | Winnebago | 41 ft | Not Available | Flood Risk Reduction |
| Coulterville Coal/gateway Mine/slurry Cell 3 Dam | Randolph | 41 ft | Not Available | Other |
| Lake Tanglewood Dam | Marshall | 40 ft | Not Available | Recreation |
| Miller Lake Dam | Jefferson | 40 ft | Not Available | Recreation |
| Lake In The Hills Dam 1 | McHenry | 40 ft | Not Available | Recreation |
| Prairie State Energy Raw Water Dam | Washington | 40 ft | Not Available | Water Supply |