Tailings Dams in Illinois

Illinois has 18 tailings dams, of which 8 carry a high hazard classification. Tailings dams contain waste material from mining operations — typically a slurry of finely ground rock left over after valuable minerals have been extracted.

#	Dam	County	Height (ft)	Hazard	Condition	Year
1	Sugar Camp/mine 1/north Refuse Disposal Facility Dam	Franklin	117	High	Not Available
2	Macoupin Energy Refuse Disposal Area 6	Macoupin	117	High	Not Available	1991
3	Arclar/willow Lake/refuse Area 2 Dam	Saline	108	High	Not Available
4	Sugar Camp/mine 1/coal Refuse Disposal 1 Dam	Franklin	86	High	Not Available
5	Hillsboro Energy/deer Run/crd 1 Dam	Montgomery	80	High	Not Available
6	Knight Hawk Coal/praire Eagle Mine/010b Slurry Dam	Perry	66	Significant	Not Available	2006
7	Unimin Tailings Pond O Dam	LaSalle	56	Low	Not Available	2010
8	Knight Hawk/prairie Eagle/north Refuse Area Dam	Perry	50	Significant	Not Available
9	Hastie Mining//pond 1-clarification Pond Dam	Hardin	49	Low	Not Available	2000
10	Exxonmobil Coal Usa/mine 2/refuse Disposal Area 1	Clinton	47	High	Not Available
11	Duck Creek Gypsum Stack Dam	Fulton	45	Low	Not Available
12	Western Fuels/brushy Creek/slurry Cell 5	Saline	45	Low	Not Available	2004
13	Duck Creek Recycle Pond Dam	Fulton	41	Low	Not Available
14	Hastie Mining//tailings Pond 2-3 Dam	Hardin	41	Low	Not Available
15	Coulterville Coal/gateway Mine/slurry Cell 4 Dam	Randolph	34	Low	Not Available	2006
16	Dynegy/ Wood River East Ash Disposal Pond Dam	Madison	33	High	Not Available	2005
17	Deushane Slurry Impoundment 1 Dam	Knox	28	Low	Not Available	1983
18	Crown 3 Mine Fine Refuse Ext 2 Dam	Macoupin	27	High	Not Available

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