Dams in Sandoval County, New Mexico
32Total Dams
11High Hazard
4Significant
Dam Safety in Sandoval County, New Mexico
Sandoval County has 32 dams tracked in the National Inventory of Dams. Of these, 11 are classified as high hazard — meaning failure would probably cause loss of human life. Another 4 carry a significant hazard classification. Currently, 7 dams have a condition assessment of poor or unsatisfactory.
The average dam in Sandoval County is 63 years old. The most common purpose is debris control. The tallest dam is Cochiti Dam at 251 ft.
Explore more: Oldest dams in New Mexico · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Cochiti Dam | High | Not Available | 251 | Flood Risk Reduction | 1975 |
| Sandia Mountain Site No. 1 Dam | High | Satisfactory | 52 | Flood Risk Reduction | 1955 |
| Corrales Heights Dam | High | Satisfactory | 45 | Flood Risk Reduction | 1973 |
| Fenton Lake Dam | High | Fair | 41 | Recreation | 1946 |
| Santa Ana | High | Fair | 38 | Flood Risk Reduction | 1960 |
| Lower Vallecito Dam | High | Poor | 33 | Irrigation | 1947 |
| Enchanted Hills Detention Dam No. 1 | High | Satisfactory | 28 | Flood Risk Reduction | 2002 |
| Montoyas Arroyo Sportsplex Dam | High | Satisfactory | 26 | Flood Risk Reduction | 2007 |
| Jemez Canyon Dam - Santa Ana Pueblo Protection Works | High | Not Available | 24 | Flood Risk Reduction | 1953 |
| Water Tank | High | Poor | 17 | Flood Risk Reduction | 1960 |
| San Francisco | High | Poor | 15 | Flood Risk Reduction | 1960 |
| Tschicoma | Significant | Poor | 25 | Recreation | 1960 |
| Nanaka | Significant | Poor | 25 | Recreation | 1960 |
| Sandia Pueblo 83-a | Significant | Poor | 23 | Flood Risk Reduction | 1983 |
| Hatch Reservoir Dam | Significant | Poor | 13 | Recreation | 1927 |
| Rsn Detention Dam 40 | Low | Not Rated | 34 | Debris Control | 1968 |
| Rio Puerco Det Dam 130 | Low | Not Rated | 32 | Debris Control | 1966 |
| Rsn Detention Dam 43 | Low | Not Rated | 29 | Debris Control | 1968 |
| Alamos Detention Dam | Low | Not Rated | 28 | Debris Control | 1956 |
| Pinon Canyon Dam 4 | Low | Not Rated | 28 | Debris Control | 1953 |
| Encino Det Dam 083 | Low | Not Rated | 27 | Debris Control | 1966 |
| 2731 Rio Puerco Detention Dam No. 65 | Low | Not Rated | 27 | Debris Control | |
| Rio Puerco Det Dam 132 | Low | Not Rated | 27 | Debris Control | 1963 |
| Minute Dam | Low | Not Rated | 26 | Debris Control | 1954 |
| Rio Puerco Detention Dam #8 | Low | Not Rated | 25 | Flood Risk Reduction | |
| Chimney Detention Dam | Low | Not Rated | 24 | Debris Control | |
| County Line Dam | Low | Not Rated | 21 | Debris Control | |
| Big Island Dam | Low | Not Rated | 20 | Debris Control | |
| Zia | Low | Fair | 17 | Irrigation | 1935 |
| Encino Det Dam 049 | Low | Not Rated | 14 | Debris Control | 1964 |
| Encino Detention Dam No. 40 | Low | Not Rated | 10 | Debris Control | 1965 |
| Big Cornfield Tank | Undetermined | Not Available | 19 |