Tallest Dams in New Mexico

New Mexico has 411 dams with recorded heights. The tallest is Navajo Dam at 402 feet. Taller dams impound more water and carry greater potential energy, which is why height is a key factor in hazard classification and inspection requirements.

#	Dam	County	Height (ft)	Type	Purpose	Hazard	Year
1	Navajo Dam	San Juan	402	Earth	Flood Risk Reduction	High	1963
2	Abiquiu Dam	Rio Arriba	354	Earth	Flood Risk Reduction	High	1963
3	Cobre Main Tailings Dam	Grant	310	Other	Tailings	High	1968
4	Questa Tailings Dam 1	Taos	280	Earth	Tailings	High	1980
5	Cochiti Dam	Sandoval	251	Earth	Flood Risk Reduction	High	1975
6	Conchas Dam	San Miguel	235	Gravity	Flood Risk Reduction	High	1940
7	Chino Mines Tailings Dam No. 7	Grant	230	Other	Tailings	High	1988
8	El Vado Dam	Rio Arriba	230	Other	Irrigation	High	1935
9	Santa Rosa Dam	Guadalupe	214	Rockfill	Flood Risk Reduction	High	1979
10	Questa Tailings Dam 4	Taos	212	Earth	Tailings	High	1966
11	Bill Evans Dam	Grant	170	Earth	Other	High	1969
12	Morgan Dam	San Juan	165	Earth	Other	High	1961
13	Sumner Dam	De Baca	164	Earth	Flood Risk Reduction	High	1937
14	Galisteo Dam	Santa Fe	164	Earth	Flood Risk Reduction	High	1970
15	Cuchillo-negro Dam	Sierra	161	Roller-Compacted Concrete	Flood Risk Reduction	High	1991
16	Nambe Falls Dam	Santa Fe	150	Concrete	Fish and Wildlife Pond	High	1976
17	Santa Cruz Dam	Santa Fe	147	Gravity	Irrigation	High	1929
18	Cutter	San Juan	145	Earth	Irrigation	High	1972
19	Brantley Dam	Eddy	144	Concrete	Flood Risk Reduction	High	1989
20	Eagle Nest Dam	Colfax	142	Arch	Irrigation	High	1918
21	Magnetite Tailings Dam	Grant	140	Other	Tailings	High	1980
22	Costilla Dam	Taos	138	Earth	Irrigation	High	1920
23	Grindstone Canyon Dam	Lincoln	133	Roller-Compacted Concrete	Water Supply	High	1987
24	Ute Dam	Quay	132	Earth	Water Supply	High	1963
25	Mcclure Dam	Santa Fe	128	Earth	Water Supply	High	1926
26	T Or C Site 8c Dam	Sierra	119	Earth	Flood Risk Reduction	High	1981
27	Two Rivers Diamond A Dam - Rocky Dam	Chaves	118			Low
28	Farmington Lake Dam	San Juan	117	Earth	Water Supply	High	1964
29	Bonito Dam	Lincoln	113	Rockfill	Water Supply	High	1930
30	Lake Maloya Dam	Colfax	110	Earth	Water Supply	High	1914
31	Chino Mines Reservoir No. 7 Dam	Grant	110	Earth	Other	Low	1959
32	Caballo Dam	Sierra	110	Rockfill	Flood Risk Reduction	High	1938
33	Green Canyon Dam	Sierra	104	Earth	Flood Risk Reduction	High	1972
34	Quemado Lake Dam	Catron	100	Earth	Recreation	Low	1971
35	Bluewater Dam	Cibola	99	Arch	Irrigation	High	1927
36	Bear Canyon Dam	Grant	99	Earth	Irrigation	High	1937
37	Willetto Dam	San Juan	98	Earth		High	1972
38	Aps Ash Pond Tailings Dam No. 3	San Juan	95	Earth	Tailings	Low	1976
39	Upper Rio Hondo Site No. 1 Dam	Lincoln	94	Earth	Flood Risk Reduction	High	1959
40	Heron Dike	Rio Arriba	94	Earth	Irrigation	High	1971
41	Lake Mescalero	Otero	93	Earth	Recreation	High	1974
42	Sebastian Martin Site 6 Dam	Rio Arriba	93	Earth	Flood Risk Reduction	High	1973
43	Snow Lake Dam	Catron	92	Earth	Recreation	Low	1967
44	Nichols Dam	Santa Fe	91	Earth	Water Supply	High	1943
45	Black Rock	McKinley	90	Earth	Irrigation	High	1908
46	Aps Ash Pond Tailings Dam No. 6	San Juan	90	Earth	Tailings	Low	1983
47	Storrie Dam	San Miguel	90	Earth	Irrigation	High	1921
48	Crow Broad Placitas Dam No. 1	Doña Ana	86	Earth	Flood Risk Reduction	High	1969
49	Aps Lined Decant Water Pond	San Juan	86	Earth	Tailings	Significant	2003
50	Las Cruces Dam	Doña Ana	85	Earth	Flood Risk Reduction	High	1975

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