Largest Reservoirs in Vermont

Vermont has 361 dams with recorded storage capacity. The largest is Harriman with 116,075 acre-feet of maximum storage. One acre-foot equals about 326,000 gallons — enough to supply roughly two households for a year.

#	Dam	County	Max Storage (acre-ft)	Height (ft)	Purpose	Year
1	Harriman	Windham	116,075	186	Hydroelectric	1924
2	North Hartland Dam - Dike	Windsor	94,600	52		1961
3	Waterbury	Washington	88,000	187	Flood Risk Reduction	1938
4	North Springfield Dam	Windsor	76,500	118	Flood Risk Reduction	1960
5	Somerset	Windham	57,345	110	Hydroelectric	1913
6	Ball Mountain Dam	Windham	54,700	247	Flood Risk Reduction	1961
7	Townshend Dam	Windham	54,300	126	Flood Risk Reduction	1961
8	Union Village Dam	Orange	49,640	164	Flood Risk Reduction	1950
9	Wrightsville	Washington	36,000	115	Flood Risk Reduction	1935
10	East Barre	Washington	23,550	65	Flood Risk Reduction	1935
11	Chittenden Reservoir	Rutland	22,090	68	Hydroelectric	1901
12	Green River Dike	Lamoille	16,900	22	Hydroelectric	1947
13	Marshfield No. 6	Washington	13,526	48	Hydroelectric	1927
14	Lake Bomoseen	Rutland	10,310	14	Recreation	1850
15	Clark Falls	Chittenden	10,000	40	Hydroelectric	1937
16	Green River Reservoir Dike	Lamoille	7,500	23	Hydroelectric	1947
17	North Branch Dam	Windsor	7,200	75	Recreation	1960
18	Great Averill Pond	Essex	7,000	9	Hydroelectric	1918
19	Crystal Lake	Orleans	6,740	17	Recreation	1860
20	Lake Carmi	Franklin	6,200	17	Recreation	1970
21	Little Pond	Rutland	5,800	7	Recreation	1900
22	Seymour Lake	Orleans	5,200	12	Hydroelectric	1928
23	Lake Groton	Caledonia	5,148	13	Recreation	1968
24	Peacham Pond	Caledonia	5,096	26	Hydroelectric	1930
25	Lake Dunmore	Addison	4,900	8	Hydroelectric	1920
26	Lake Fairlee	Orange	4,800	12	Recreation	1939
27	Maidstone Lake	Essex	4,500	12	Recreation	1931
28	Fairfield Swamp Pond	Franklin	4,500	15	Fish and Wildlife Pond	1967
29	Lake Hortonia	Rutland	4,500	16	Recreation	1955
30	Caspian Lake	Orleans	4,300	7	Hydroelectric	1929
31	Mud Creek	Grand Isle	4,200	10	Fish and Wildlife Pond	1957
32	Stone Bridge	Addison	3,700	13	Fish and Wildlife Pond	1957
33	Norton Pond	Essex	3,660	15	Hydroelectric	1893
34	East Long Pond	Washington	3,620	20	Other	1930
35	Lake Rescue	Windsor	3,550	14	Recreation	1978
36	Highgate Falls	Franklin	3,327	45	Hydroelectric	1918
37	South Pond	Lamoille	3,300	38	Recreation	1922
38	Colchester Pond	Chittenden	3,260	25	Recreation	1965
39	Little Averill Pond	Essex	3,245	19	Recreation	1850
40	Echo Pond Dam	Orleans	3,180	16	Hydroelectric	1922
41	Silver Lake	Addison	3,003	30	Hydroelectric	1917
42	Newport	Orleans	3,000	22	Hydroelectric	1936
43	Woodward Reservoir	Windsor	3,000	47	Recreation	1984
44	Gale Meadows Dike	Bennington	2,942	8	Recreation	1965
45	Gale Meadows	Windham	2,942	33	Recreation	1965
46	Nichols	Washington	2,841	18	Other	1900
47	Peterson	Chittenden	2,840	51	Hydroelectric	1949
48	Harveys Lake	Caledonia	2,700	17	Recreation	1970
49	Middlesex No. 2	Washington	2,700	51	Hydroelectric	1928
50	Berlin Pond	Washington	2,530	14	Water Supply	1920

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