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High Risk Dams in New Mexico

New Mexico has 115 high hazard dams with a condition assessment of poor or unsatisfactory. These are dams where failure would probably cause loss of human life and where recognized safety deficiencies have been identified.

Of the 219 high hazard dams in New Mexico, 115 (52%) have concerning condition ratings — 109 rated poor and 6 rated unsatisfactory.

Condition scale, best to worst
  1. Satisfactory No existing or potential safety deficiencies recognized; acceptable performance expected under all loading conditions.
  2. Fair No deficiencies under normal operating conditions; a rare flood or earthquake could create one.
  3. Poor A safety deficiency is recognized under normal operating conditions; remedial action is necessary.
  4. Unsatisfactory Worst rating. The dam is considered unsafe; a deficiency requires immediate or emergency remedial action.

"Not rated" means no assessment is on file in the National Inventory of Dams.

DamCountyHeight (ft)ConditionLast inspectedPurposeYear
Mcclure DamSanta Fe128Poor06/25/20206 yrs agoWater Supply1926
T Or C Site 8c DamSierra119Poor06/02/201511 yrs agoFlood Risk Reduction1981
Lake Maloya DamColfax110Poor05/24/20179 yrs agoWater Supply1914
Green Canyon DamSierra104Poor06/02/201511 yrs agoFlood Risk Reduction1972
Bear Canyon DamGrant99Poor04/21/20206 yrs agoIrrigation1937
Upper Rio Hondo Site No. 1 DamLincoln94Poor04/30/20197 yrs agoFlood Risk Reduction1959
Sebastian Martin Site 6 DamRio Arriba93Poor03/29/20179 yrs agoFlood Risk Reduction1973
Nichols DamSanta Fe91Poor06/25/20206 yrs agoWater Supply1943
Storrie DamSan Miguel90Poor06/29/20206 yrs agoIrrigation1921
Crow Broad Placitas Dam No. 1Doña Ana86Poor02/01/20179 yrs agoFlood Risk Reduction1969
Sebastian Martin Site 5 DamRio Arriba84Poor03/29/20179 yrs agoFlood Risk Reduction1981
Sibley Green Site 4Sierra80Poor06/02/201511 yrs agoFlood Risk Reduction1974
Crow Broad Placitas Dam No. 2aDoña Ana79Poor01/31/20179 yrs agoFlood Risk Reduction1971
Running Water Draw Site 1 DamCurry78Poor04/21/201511 yrs agoFlood Risk Reduction1975
Sebastian Martin Site 4 DamRio Arriba76Poor03/29/20179 yrs agoFlood Risk Reduction1977
Santa Cruz Site 2g DamRio Arriba75Poor10/14/20169 yrs agoFlood Risk Reduction1982
Sebastian Martin Bm 1 DamRio Arriba74Poor12/14/20178 yrs agoFlood Risk Reduction1978
Santa Cruz Site 6 DamSanta Fe72Poor11/06/20205 yrs agoFlood Risk Reduction1962
AsaayiMcKinley69Poor01/25/20224 yrs agoRecreation1964
Throttle Dam No. 2Colfax67Poor05/05/201610 yrs agoIrrigation1914
Carson DamTaos65Poor09/16/20206 yrs agoFlood Risk Reduction1935
Miami Lake Dam No. 2Colfax65Poor06/20/20179 yrs agoIrrigation1913
Spring Canyon DamDoña Ana64Poor02/05/201412 yrs agoFlood Risk Reduction1940
Apache Brazito Mesquite Dam No. 2Doña Ana63Poor12/17/20196 yrs agoFlood Risk Reduction1965
Santa Cruz Site 1 DamRio Arriba62Poor10/26/20169 yrs agoFlood Risk Reduction1962
Santa Cruz Site 5 DamRio Arriba59Poor11/06/20205 yrs agoFlood Risk Reduction1961
Cimarroncito DamColfax58Poor08/27/20206 yrs agoWater Supply1948
Upper Penasco Site 1Otero57Poor01/24/20188 yrs agoFlood Risk Reduction1960
Sebastian Martin Site 18 DamRio Arriba55Poor03/29/20179 yrs agoFlood Risk Reduction1985
Alto Lake DamLincoln54Poor04/30/20197 yrs agoWater Supply1965
Fillmore Site 1 DamDoña Ana54Poor11/04/20205 yrs agoFlood Risk Reduction1962
PaguateCibola54Poor09/27/20233 yrs agoIrrigation1949
Santa Cruz Site 3a DamRio Arriba54Poor10/14/20169 yrs agoFlood Risk Reduction1972
Picacho North DamDoña Ana53Poor12/17/20196 yrs agoFlood Risk Reduction1954
San Mateo Lake DamCibola53Unsatisfactory10/03/20179 yrs agoIrrigation1935
Tortugas Site 1 DamDoña Ana53Poor12/18/20196 yrs agoFlood Risk Reduction1962
Hatch Valley Arroyo Dam No. 6Doña Ana53Poor02/25/20206 yrs agoFlood Risk Reduction1957
Ute Creek DamColfax52Poor05/05/201610 yrs agoFish and Wildlife Pond1913
Upper Penasco Site 3aOtero52Poor04/23/20197 yrs agoFlood Risk Reduction1959
Rc&d Project Measure 83 DamTaos51Poor09/17/20206 yrs agoFlood Risk Reduction1967
Apache Brazito Mesquite Dam No. 3Doña Ana51Poor12/17/20196 yrs agoFlood Risk Reduction1964
Upper Gila Valley Site No. 10 DamGrant50Poor05/23/20188 yrs agoFlood Risk Reduction1963
Pecos Arroyo Watershed Site 1San Miguel49Poor06/11/20197 yrs agoFlood Risk Reduction1965
AcomitaCibola48Poor03/03/20215 yrs agoIrrigation1938
Gardner DamUnion46Unsatisfactory02/26/20206 yrs agoIrrigation1941
Jackson Lake DamSan Juan45Poor05/23/20179 yrs agoIrrigation1919
Hatch Valley Arroyo Dam No. 1Doña Ana45Poor02/25/20206 yrs agoFlood Risk Reduction1958
Anthony Arroyo Dam No. 1Doña Ana43Poor11/04/20205 yrs agoFlood Risk Reduction1974
Dona Ana Site 1Doña Ana41Poor11/02/20205 yrs agoFlood Risk Reduction1956
Upper Gila Valley Site No. 12 DamGrant41Poor05/23/20188 yrs agoFlood Risk Reduction1963
Ramah DamMcKinley40Poor04/19/201610 yrs agoIrrigation1900
Trapped RockMcKinley40Poor08/05/20206 yrs agoFlood Risk Reduction1993
Apache Brazito Mesquite Dam No. 1Doña Ana40Poor12/17/20196 yrs agoFlood Risk Reduction1964
Apache Brazito Mesquite Dam No. 4Doña Ana40Poor12/17/20196 yrs agoFlood Risk Reduction1964
Railroad Dam No.2Guadalupe39Poor11/18/201510 yrs agoRecreation1922
Sibley Green Site 5Sierra39Poor02/27/20188 yrs agoFlood Risk Reduction1977
Upper Gila Valley Site No. 7 DamGrant38Poor05/23/20188 yrs agoFlood Risk Reduction1962
County Line Detention DamSierra37Poor06/02/201511 yrs agoFlood Risk Reduction1956
La Luz-fresnal East ReservoirOtero37Poor01/24/20188 yrs agoWater Supply1993
Cass Draw Site 1 DamEddy37Poor01/29/20197 yrs agoFlood Risk Reduction1969
Upper Gila Valley Site No. 6 DamGrant37Poor05/24/20188 yrs agoFlood Risk Reduction1963
Hatch Valley Arroyos Dam No. 4Doña Ana37Poor02/01/20179 yrs agoFlood Risk Reduction1957
Webster DamColfax36Poor12/14/20205 yrs agoIrrigation1909
Lauson Arroyo Flood Detention DamDoña Ana36Poor03/20/20197 yrs agoFlood Risk Reduction1996
Caballo Arroyo Dam No. 1Sierra36Poor06/02/201511 yrs agoFlood Risk Reduction1959
Laguna Del Campo DamRio Arriba36Poor03/15/201610 yrs agoRecreation1940
Hatch Valley Arroyos Dam No. 5Doña Ana36Poor01/31/20179 yrs agoFlood Risk Reduction1958
Upper Gila Valley Site No. 1 DamGrant36Poor05/23/20188 yrs agoFlood Risk Reduction1962
Sand Hill Arroyo DamDoña Ana35Poor02/27/20188 yrs agoFlood Risk Reduction1957
St. Anne's DamSierra35Poor03/18/20197 yrs agoFlood Risk Reduction1960
Upper Gila Valley Site No. 8 DamGrant35Poor05/23/20188 yrs agoFlood Risk Reduction1963
Upper Gila Valley Site No. 4 DamGrant35Poor05/24/20188 yrs agoFlood Risk Reduction1962
Hatch Valley Arroyos Dam No. 3Doña Ana35Poor01/31/20179 yrs agoFlood Risk Reduction1958
Kight Flood Retard DamDoña Ana34Poor02/25/20206 yrs agoFlood Risk Reduction1955
Lower Vallecito DamSandoval33Poor06/03/20206 yrs agoIrrigation1947
Upper Gila Valley Site No. 9 DamGrant33Poor05/23/20188 yrs agoFlood Risk Reduction1962
La Mesilla Site 1 DamRio Arriba33Poor05/04/20206 yrs agoFlood Risk Reduction1970
Hatch Valley Arroyo Dam No. 2Doña Ana33Poor03/19/20197 yrs agoFlood Risk Reduction1957
Caballo Arroyo Dam No. 2Doña Ana32Poor03/19/20197 yrs agoFlood Risk Reduction1959
Upper Gila Valley Site No. 11 DamGrant32Poor05/23/20188 yrs agoFlood Risk Reduction1963
Tortugas Site 2 DamDoña Ana31Poor12/18/20196 yrs agoFlood Risk Reduction1962
Prop Canyon Site 1 DamCibola31Poor11/05/20205 yrs agoFlood Risk Reduction1960
Fillmore Site 3 DamDoña Ana29Poor11/04/20205 yrs agoFlood Risk Reduction1962
Upper Gila Valley Site No. 3 DamGrant29Poor05/23/20188 yrs agoFlood Risk Reduction1962
Lucero Detention DikeDoña Ana28Poor12/18/20196 yrs agoFlood Risk Reduction1951
La Luz-fresnal North & South ReservoirsOtero28Poor01/24/20188 yrs agoWater Supply1961
Grady HamiltonRio Arriba28UnsatisfactoryNot reportedRecreation
Picacho South DamDoña Ana28Poor12/17/20196 yrs agoFlood Risk Reduction1954
Power Lake DamGuadalupe28Unsatisfactory11/18/201510 yrs agoRecreation1927
Caballo Arroyo Dam No. 3Doña Ana28Poor03/19/20197 yrs agoFlood Risk Reduction1959
Lower Nielson Retarding DamCibola27Poor11/05/20205 yrs agoFlood Risk Reduction1987
Morphy Lake DamMora27Poor06/15/20188 yrs agoIrrigation1940
Mcgaffey Lake DamMcKinley26Poor04/18/201610 yrs agoRecreation1937
Ladera Dam No. 12Bernalillo26Poor11/20/20187 yrs agoFlood Risk Reduction1976
Railroad Dam No.1Guadalupe25Poor11/18/201510 yrs agoRecreation1907
Mclead Flood Control DamDoña Ana25Poor02/25/20206 yrs agoFlood Risk Reduction1951
Breedlove Flood Control DamDoña Ana23Poor03/20/20197 yrs agoFlood Risk Reduction1996
TodacheeneSan Juan23Poor09/19/20233 yrs agoRecreation1966
Houston Arroyo DamValencia22Poor02/16/201511 yrs agoFlood Risk Reduction1968
Crowley Irrigation SystemRio Arriba22Poor06/18/20206 yrs agoIrrigation1950
Mariposa DamBernalillo22Poor09/02/20206 yrs agoFlood Risk Reduction1983
Marie Street DamSierra22Poor03/18/20197 yrs agoFlood Risk Reduction1960
Thirtieth Street DamSan Juan22Poor12/03/20196 yrs agoFlood Risk Reduction1979
Mesita DamCibola21PoorNot reportedTailings
Ladera Dam No. 10Bernalillo21Poor11/20/20187 yrs agoFlood Risk Reduction1976
Ladera Dam No. 14Bernalillo21Poor11/20/20187 yrs agoFlood Risk Reduction1976
Mescalero Reservoir DamTorrance20Poor01/14/20215 yrs agoFlood Risk Reduction1961
PescadoMcKinley20Unsatisfactory11/12/20196 yrs agoIrrigation1928
Fourth of JulyRio Arriba20Unsatisfactory04/09/20224 yrs agoIrrigation1960
Porter Whisenhunt DamDoña Ana19Poor02/25/20206 yrs agoFlood Risk Reduction1959
Water TankSandoval17Poor09/10/20206 yrs agoFlood Risk Reduction1960
Prop Canyon Site 2a DamCibola17Poor11/05/20205 yrs agoFlood Risk Reduction1961
Ladera Dam No. 15Bernalillo16Poor11/20/20187 yrs agoFlood Risk Reduction1976
Jaritas Reservoir B DamColfax15Poor11/13/201312 yrs agoIrrigation1917
San FranciscoSandoval15Poor09/29/20206 yrs agoFlood Risk Reduction1960

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