Hydroelectric Dams in Montana

Montana has 20 hydroelectric dams, of which 18 carry a high hazard classification. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity.

#	Dam	County	Height (ft)	Hazard	Condition	Year
1	Libby Dam	Lincoln	422	High	Not Available	1973
2	Noxon Rapids	Sanders	260	High	Fair	1960
3	Selis Ksanka Qlispe (skq)	Lake	200	High	Fair	1938
4	Hauser Dam	Lewis and Clark	125	High	Satisfactory	1911
5	Holter Dam	Lewis and Clark	124	High	Satisfactory	1918
6	Hebgen Dam	Gallatin	120	High	Satisfactory	1915
7	Morony	Cascade	107	High	Satisfactory	1929
8	Cochrane	Cascade	105	High	Fair	1957
9	Ryan	Cascade	82	High	Satisfactory	1915
10	Thompson Falls - Intake Dam A	Sanders	62	Low	Satisfactory	1915
11	Georgetown Dam	Deer Lodge	55	High	Satisfactory	1900
12	Broadwater Dam	Broadwater	50	High	Satisfactory	1940
13	Rainbow	Cascade	44	High	Satisfactory	1910
14	Lake Creek	Lincoln	44	High	Satisfactory	1917
15	Black Eagle	Cascade	41	High	Poor	1891
16	Madison Dam	Madison	39	High	Satisfactory	1907
17	Hell Roaring	Lake	30	High	Unsatisfactory	1916
18	Bigfork Diversion Dam	Flathead	22	High	Poor	1910
19	Mystic Dike	Stillwater	21	High	Satisfactory	1927
20	Re-regulating	Stillwater	15	Low	Satisfactory	1979

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