Water Supply Dams in Illinois

Illinois has 80 water supply dams, of which 10 carry a high hazard classification. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area.

#	Dam	County	Height (ft)	Hazard	Condition	Year
1	Refuse Disposal Area	Saline	175	Significant	Not assessed
2	Evergreen Lake Dam	Woodford	69	High	Not assessed	1971
3	Lake Bloomington Dam	McLean	51	Significant	Not assessed	1930
4	Carlinville Lake II Dam	Macoupin	50	Significant	Not assessed	1981
5	Palmyra-modesto City Lake Dam	Macoupin	50	Significant	Not assessed	1965
6	Pinckneyville Reservoir Dam	Perry	45	Significant	Not assessed	1953
7	Lake Vermilion Dam	Vermilion	45	High	Not assessed	1925
8	Stone Creek Golf Club Lake Dam	Jackson	43	High	Not assessed	2001
9	Macoupin Energy Recirculation Pond Dam	Macoupin	43	High	Not assessed	1970
10	Altamont Reservoir Dam	Effingham	42	Significant	Not assessed	1972
11	Waterloo New Reservoir Dam	Monroe	42	Significant	Not assessed	1961
12	New Gillespie Lake Dam	Macoupin	41	Significant	Not assessed	1956
13	Prairie State Energy Raw Water Dam	Washington	40	High	Not assessed	2010
14	Blandinsville Storage 2 Dam	McDonough	37	Low	Not assessed	1992
15	Shipman Reservoir Dam	Macoupin	36	Significant	Not assessed	1967
16	Clarifiers	Saline	36	Low	Not assessed
17	Central Illinois Public Service Company Lake Dam	Effingham	35	Significant	Not assessed	1930
18	Old Gillespie Lake Dam	Macoupin	35	Low	Not assessed	1923
19	Waverly City Lake Dam	Morgan	35	Low	Not assessed	1939
20	Greenfield City Dam	Greene	33	Significant	Not assessed	1959
21	Eureka Lake Dam	Woodford	33	Significant	Not assessed	1942
22	Stumpy Hill Farm Dam	Edwards	31	Low	Not assessed	1998
23	Sugar Camp/mine 1/pond 8 Dam	Franklin	31	Low	Not assessed
24	Mt. Olive City Lake Dam	Macoupin	31	Low	Not assessed	1938
25	Waterloo Reservoir 1 Dam	Monroe	31	Significant	Not assessed	1924
26	American Zinc Smelter Company Large Lake Dam	Montgomery	31	Significant	Not assessed	1916
27	Lower Columbia Quarry Dam	Macoupin	30	Low	Not assessed
28	Wildlife Lake Dam	Washington	30	Significant	Not assessed	1941
29	Lake Charleston Dam	Coles	29	Significant	Not assessed	1981
30	Riverview Dam	Coles	29	Significant	Not assessed	1989
31	Silver Lake Dam	Madison	29	Significant	Not assessed	1962
32	Raccoon Lake Dam	Marion	29	High	Not assessed	1943
33	Deer Run Dam	Schuyler	29	Low	Not assessed	2002
34	Peabody Midwest/vermilion Grove/freshwater Lake Da	Vermilion	29	Low	Not assessed	2001
35	Main Lake Dam	Hamilton	28	Low	Not assessed	1976
36	Track Loop Pond Dam	Hamilton	28	Low	Not assessed
37	Fresh Water Lake	Macoupin	28	Significant	Not assessed
38	Murrayville Woodson Lake Dam	Morgan	28	Significant	Not assessed	1963
39	Sugar Camp/mine 1/fresh Water Pond Dam	Franklin	26	Low	Not assessed
40	Kaibab Partners Dam	Jackson	26	Low	Not assessed
41	Simpson Pond Dam	Randolph	26	Low	Not assessed	1973
42	Fresh Water Lake	Saline	26	Significant	Not assessed
43	Marion Prison Lake Dam	Williamson	26	Significant	Not assessed	1991
44	L & N Reservoir	Jefferson	25	High	Not assessed	1910
45	Settling Pond	Macoupin	25	Low	Not assessed
46	Marion Reservoir Dam	Williamson	25	Significant	Not assessed	1971
47	Lake Waunetta Dam	Edgar	24	Low	Not assessed	1954
48	Superior Lake Dam	Jefferson	23	Low	Not assessed	1953
49	Fine Refuse Pond	Macoupin	23	Low	Not assessed
50	Omaha City Reservoir Dam	Gallatin	22	Low	Not assessed	1965
51	Wayne City Perched Reservoir Dam	Wayne	22	Low	Not assessed	1983
52	National Petroleum Chemical Plant Lake Dam	Douglas	21	Significant	Not assessed	1952
53	Sparta Old City Reservoir Dam	Randolph	21	Significant	Not assessed	1917
54	Blandinsville City Reservoir Dam	McDonough	20	High	Not assessed	1940
55	Eldorado Reservoir Dam	Saline	20	Significant	Not assessed	1920
56	Temporary Sangamon River Dam	Sangamon	20	Low	Not assessed
57	Farmland Industries Lake Dam	Wayne	20	Low	Not assessed	1996
58	Norris City Reservoir Dam	White	20	High	Not assessed	1937
59	Kemery Lake Dam	Will	20	High	Not assessed	1942
60	Peabody/eagle1/fresh Water Lake Dam	Gallatin	19	Low	Not assessed	1968
61	Waterloo Reservoir 2 Dam	Monroe	19	Significant	Not assessed	1950
62	Oakland Lake Dam	Coles	18	Significant	Not assessed	1937
63	Omaha Township Civic Center Dam	Gallatin	18	Significant	Not assessed	1980
64	Sparta New City Reservoir Dam	Randolph	16	Significant	Not assessed	1952
65	Fairfield Side Channel Reservoir Dam	Wayne	16	Low	Not assessed	1979
66	Lake Kadijah Dam	DuPage	15	Significant	Not assessed	1924
67	Arentsen Pond 2 Dam	Hamilton	15	Low	Not assessed	1976
68	Clarified Water Pond	Macoupin	15	Significant	Not assessed
69	Coulterville City Reservoir Dam	Randolph	15	Low	Not assessed	1939
70	Underground Mine Water Management Storage Impound.	Saline	15	Low	Not assessed
71	Streator Vermilion River Dam	Livingston	14	Significant	Not assessed	1925
72	Johnston City Lake Dam	Williamson	14	Significant	Not assessed	1921
73	Little Wabash River Dam	Effingham	13	Low	Not assessed	1900
74	"e" Pond Treatment	Jefferson	13	Low	Not assessed
75	Vienna Reservoir Dam	Johnson	13	Low	Not assessed	1968
76	Bernadotte Dam	Fulton	12	Low	Not assessed	1900
77	Coffeen East Fork Shoal Creek Gate Dam	Montgomery	12	Low	Not assessed	2010
78	Breese Perched Reservoir Dam	Clinton	11	Low	Not assessed	1990
79	Clarified Pond Impound. Structure	Macoupin	11	Low	Not assessed
80	Deer Run Pond K Dam	Will	11	Low	Not assessed	2002

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