Hydroelectric Dams in New York

New York has 217 hydroelectric dams, of which 75 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	Blenheim - Gilboa Upper	Schoharie	170	High	Satisfactory	1974
2	Blenheim - Gilboa Lower	Schoharie	165	High	Satisfactory	1974
3	Lewiston	Niagara	155	High	Satisfactory	1963
4	Spier Falls	Warren	146	High	Satisfactory	1903
5	Swinging Bridge	Sullivan	135	High	Fair	1930
6	Long Sault	St. Lawrence	132	High	Satisfactory	1958
7	Inghams Dam	Fulton	125	High	Poor	1911
8	Massena Intake	St. Lawrence	118	High	Satisfactory	1958
9	Stewarts Bridge	Saratoga	113	High	Satisfactory	1952
10	Sturgeon Pool Dam	Ulster	109	High	Satisfactory	1922
11	Toronto	Sullivan	103	High	Unsatisfactory	1926
12	Rio	Sullivan	101	High	Fair	1927
13	Conklingville	Saratoga	100	High	Satisfactory	1930
14	Robert Moses - Niagara	Niagara	97	High	Satisfactory	1963
15	Moshier	Herkimer	93	High	Satisfactory	1930
16	Oak Orchard Creek Dam	Orleans	90	High	Satisfactory	1917
17	Hinckley	Herkimer	83	High	Satisfactory	1914
18	Rainbow	St. Lawrence	82	High	Satisfactory	1956
19	Alice Falls	Clinton	80	Low	Satisfactory	1895
20	Blake	St. Lawrence	80	High	Satisfactory	1957
21	Sherman Island	Warren	80	High	Satisfactory	1923
22	Flat Rock	St. Lawrence	72	High	Satisfactory	1925
23	Iroquois	St. Lawrence	72	Significant	Satisfactory	1958
24	Browns Falls	St. Lawrence	70	High	Satisfactory	1922
25	Seneca Falls	Seneca	68	High	Unsatisfactory	1912
26	Ephratah Dam	Fulton	65	High	Poor	1980
27	East Canada Lake Dam	Herkimer	65	High	Poor	1924
28	High Falls	Clinton	63	High	Satisfactory	1917
29	Chateaugay High Fall	Franklin	63	Low	Satisfactory	1906
30	Chateaugay Chasm	Franklin	63	Low	Satisfactory	1954
31	Lock E-17 Dam At Little Falls	Herkimer	60	Significant	Not Rated	1982
32	Kents Falls	Clinton	59	High	Fair	1991
33	Five Falls	St. Lawrence	53	High	Satisfactory	1954
34	South Edwards	St. Lawrence	53	Significant	Satisfactory	1914
35	Groveville	Dutchess	52	High	Satisfactory	1875
36	Prospect	Herkimer	52	High	Satisfactory	1959
37	Cadyville	Clinton	50	High	Satisfactory	1922
38	Lock E-17 Embankment Dam	Herkimer	50	Significant	Not Rated	1918
39	High Falls	Lewis	50	High	Satisfactory	1925
40	Newton Falls Upper	St. Lawrence	50	High	Satisfactory	1927
41	Burt Dam	Niagara	49	High	Satisfactory	1924
42	Middle Falls	Washington	48	Low	Satisfactory	1915
43	Lighthouse Hill	Oswego	47	High	Fair	1930
44	Franklin Falls	Franklin	45	Low	Satisfactory	1906
45	Mongaup	Sullivan	45	High	Fair	1925
46	Mill C	Clinton	43	Significant	Satisfactory	1922
47	Schuylerville	Saratoga	43	High	Fair	1919
48	South Colton	St. Lawrence	42	High	Satisfactory	1954
49	Trenton - Power Intake	Oneida	41	Significant	Satisfactory	1983
50	Theresa	Jefferson	40	Low	Satisfactory	1929
51	Lock 33 Dam Erie Canal	Monroe	40	High	Poor	1908
52	Normanskill	Albany	39	High	Fair	1916
53	Peck Lake Dam	Fulton	39	High	Poor	1910
54	Johnsonville	Rensselaer	39	High	Satisfactory	1909
55	Higley	St. Lawrence	37	High	Satisfactory	1925
56	Allens Falls	St. Lawrence	37	High	Satisfactory	1991
57	Palmer Falls	Warren	37	Low	Satisfactory	1913
58	Curtis	Saratoga	36	Low	Satisfactory	1913
59	Cliff Lake	Sullivan	36	High	Satisfactory	1930
60	Bennetts Bridge	Oswego	35	High	Fair	1914
61	High Dam	Oswego	35	High	Fair	1928
62	Colliersville	Otsego	35	High	Fair	1908
63	Sugar Island	St. Lawrence	35	Low	Satisfactory	1925
64	Heuvelton	St. Lawrence	35	Significant	Satisfactory	1923
65	Hannawa	St. Lawrence	34	Low	Satisfactory	1902
66	Dashville Dam	Ulster	34	Low	Not Rated	1922
67	Carver Falls	Washington	34	Low	Satisfactory	1894
68	North Division Street Dam	Cayuga	32	Significant	Satisfactory	1865
69	Macomb	Franklin	32	Low	Satisfactory	1904
70	Port Leyden	Lewis	32	Low	Satisfactory	1983
71	Walden	Orange	32	Low	Satisfactory	1909
72	Beebee Island	Jefferson	31	Low	Satisfactory	1931
73	Glenwood Lake Dam	Orleans	31	High	Satisfactory	1903
74	Hollow Dam	St. Lawrence	31	Low	Satisfactory	1987
75	Mt Morris Power Dam	Livingston	30	Low	Not Rated	1916
76	Vischer Ferry	Saratoga	30	High	Satisfactory	1913
77	High Falls	Ulster	30	Low	Satisfactory	1935
78	Denley	Lewis	29	Low	Satisfactory	1912
79	Salisbury Mills Dam	Orange	29	Low	Not Rated	1922
80	Norfolk Dam	St. Lawrence	29	High	Not Rated	1965
81	Colton	St. Lawrence	29	High	Satisfactory	1919
82	Lake George Outlet - Canal Intake	Essex	28	High	Satisfactory	1987
83	Schaghticoke	Rensselaer	28	Low	Satisfactory	1909
84	Beebe Dam	Tompkins	28	Significant	Satisfactory	1897
85	Warrensburg	Warren	28	Low	Satisfactory	1909
86	Center Falls	Washington	28	Low	Satisfactory	1909
87	Upper Beaver Falls	Lewis	27	High	Satisfactory	1937
88	Forestport	Oneida	27	High	Satisfactory	1904
89	Pyrites Intake	St. Lawrence	27	Low	Satisfactory	1908
90	Effley Intake	Lewis	26	High	Satisfactory	1902
91	Mechanicville	Rensselaer	26	Significant	Satisfactory	1900
92	Mill Street Dam	Cayuga	25	High	Satisfactory	1800
93	Main Mill Dam	Clinton	25	High	Poor	1881
94	Indian Pass Ranch Dam	Essex	25	Low	Not Rated
95	Chasm	Franklin	25	Low	Satisfactory	1913
96	Herrings	Jefferson	25	Low	Satisfactory	1924
97	Black River	Jefferson	25	Low	Satisfactory	1919
98	High Falls Dam At Copenhagen	Lewis	25	Significant	Not Rated	1909
99	Harrisville	Lewis	25	Low	Satisfactory	1905
100	Emeryville	St. Lawrence	25	Low	Satisfactory	1959

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