Largest Reservoirs in New Mexico

New Mexico has 385 dams with recorded storage capacity. The largest is Elephant Butte Dike with 2,593,255 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	Elephant Butte Dike	Sierra	2,593,255	59	Flood Risk Reduction	1920
2	Navajo Dam	San Juan	1,986,600	402	Flood Risk Reduction	1963
3	Abiquiu Dam	Rio Arriba	1,369,000	354	Flood Risk Reduction	1963
4	Brantley Dam	Eddy	966,300	144	Flood Risk Reduction	1989
5	Cochiti Dam	Sandoval	722,000	251	Flood Risk Reduction	1975
6	Santa Rosa Dam	Guadalupe	717,000	214	Flood Risk Reduction	1979
7	Conchas Dam	San Miguel	709,119	235	Flood Risk Reduction	1940
8	Ute Dam	Quay	464,240	132	Water Supply	1963
9	Heron Dike	Rio Arriba	429,646	94	Irrigation	1971
10	Caballo Dam	Sierra	379,210	110	Flood Risk Reduction	1938
11	Sumner Dam	De Baca	227,683	164	Flood Risk Reduction	1937
12	El Vado Dam	Rio Arriba	209,330	230	Irrigation	1935
13	Galisteo Dam	Santa Fe	152,600	164	Flood Risk Reduction	1970
14	Eagle Nest Dam	Colfax	98,400	142	Irrigation	1918
15	Bluewater Dam	Cibola	44,150	99	Irrigation	1927
16	Morgan Dam	San Juan	42,800	165	Other	1961
17	Southwest Laguna Grande Dam	Eddy	39,800	9	Other	2009
18	Eagle-tumbleweed Draw Watershed Dam	Eddy	33,700	60	Flood Risk Reduction	1995
19	Storrie Dam	San Miguel	32,395	90	Irrigation	1921
20	Costilla Dam	Taos	30,499	138	Irrigation	1920
21	Questa Tailings Dam 1	Taos	29,555	280	Tailings	1980
22	Two Rivers Diamond A Dam - Rocky Dam	Chaves	26,440	118
23	Running Water Draw Site 1 Dam	Curry	25,150	78	Flood Risk Reduction	1975
24	Questa Tailings Dam 4	Taos	21,307	212	Tailings	1966
25	Cuchillo-negro Dam	Sierra	20,500	161	Flood Risk Reduction	1991
26	Avalon Dam	Eddy	20,000	58	Irrigation	1907
27	Chino Mines Tailings Dam No. 7	Grant	19,800	230	Tailings	1988
28	Red Lake	McKinley	19,758	32	Irrigation	1895
29	Stubblefield Dam	Colfax	16,074	59	Irrigation	1955
30	Crow Broad Placitas Dam No. 2a	Doña Ana	14,600	79	Flood Risk Reduction	1971
31	Cottonw Ood-walnut Site #8	Eddy	13,699	71	Flood Risk Reduction	1988
32	Cottonwood-walnut Site #6	Eddy	13,402	61	Flood Risk Reduction	1986
33	Las Cruces Dam	Doña Ana	13,200	85	Flood Risk Reduction	1975
34	Sibley Green Site 4	Sierra	12,420	80	Flood Risk Reduction	1974
35	Ramah Dam	McKinley	9,620	40	Irrigation	1900
36	Snow Lake Dam	Catron	9,600	92	Recreation	1967
37	Farmington Lake Dam	San Juan	8,470	117	Water Supply	1964
38	Springer Lake Dam	Colfax	8,200	29	Irrigation	1920
39	Black Rock	McKinley	7,780	90	Irrigation	1908
40	Carson Dam	Taos	7,622	65	Flood Risk Reduction	1935
41	Upper Rio Hondo Site No. 1 Dam	Lincoln	7,120	94	Flood Risk Reduction	1959
42	Tramperos Creek Site 1 Dam	Union	7,090	65	Flood Risk Reduction	1960
43	Crow Broad Placitas Dam No. 1	Doña Ana	6,910	86	Flood Risk Reduction	1969
44	Clayton Dam	Union	6,630	82	Recreation	1955
45	La Cueva Dam No. 1	Mora	6,510	15	Irrigation	1935
46	Red Lake La Cueva Dam No. 2	Mora	6,510	25	Irrigation	1950
47	Lake Isabel Dam	San Miguel	6,500	15	Irrigation	1919
48	Green Canyon Dam	Sierra	6,400	104	Flood Risk Reduction	1972
49	Santa Cruz Dam	Santa Fe	5,948	147	Irrigation	1929
50	Quemado Lake Dam	Catron	5,538	100	Recreation	1971

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