Dams in Grant County, New Mexico
20Total Dams
16High Hazard
1Significant
Dam Safety in Grant County, New Mexico
Grant County has 20 dams tracked in the National Inventory of Dams. Of these, 16 are classified as high hazard — meaning failure would probably cause loss of human life. Another 1 carry a significant hazard classification. Currently, 11 dams have a condition assessment of poor or unsatisfactory.
The average dam in Grant County is 62 years old. The most common purpose is flood risk reduction. The tallest dam is Cobre Main Tailings Dam at 310 ft.
Explore more: Oldest dams in New Mexico · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Cobre Main Tailings Dam | High | Satisfactory | 310 | Tailings | 1968 |
| Chino Mines Tailings Dam No. 7 | High | Satisfactory | 230 | Tailings | 1988 |
| Bill Evans Dam | High | Satisfactory | 170 | Other | 1969 |
| Magnetite Tailings Dam | High | Satisfactory | 140 | Tailings | 1980 |
| Bear Canyon Dam | High | Poor | 99 | Irrigation | 1937 |
| Lake Roberts Dam | High | Fair | 64 | Recreation | 1963 |
| Upper Gila Valley Site No. 10 Dam | High | Poor | 50 | Flood Risk Reduction | 1963 |
| Upper Gila Valley Site No. 12 Dam | High | Poor | 41 | Flood Risk Reduction | 1963 |
| Upper Gila Valley Site No. 7 Dam | High | Poor | 38 | Flood Risk Reduction | 1962 |
| Upper Gila Valley Site No. 6 Dam | High | Poor | 37 | Flood Risk Reduction | 1963 |
| Upper Gila Valley Site No. 1 Dam | High | Poor | 36 | Flood Risk Reduction | 1962 |
| Upper Gila Valley Site No. 8 Dam | High | Poor | 35 | Flood Risk Reduction | 1963 |
| Upper Gila Valley Site No. 4 Dam | High | Poor | 35 | Flood Risk Reduction | 1962 |
| Upper Gila Valley Site No. 9 Dam | High | Poor | 33 | Flood Risk Reduction | 1962 |
| Upper Gila Valley Site No. 11 Dam | High | Poor | 32 | Flood Risk Reduction | 1963 |
| Upper Gila Valley Site No. 3 Dam | High | Poor | 29 | Flood Risk Reduction | 1962 |
| Axiflo Tailings Dam | Significant | Satisfactory | 75 | Tailings | 1913 |
| Chino Mines Reservoir No. 7 Dam | Low | Satisfactory | 110 | Other | 1959 |
| James Canyon Dam | Low | Satisfactory | 70 | Flood Risk Reduction | 2002 |
| Chino Mines Dam No. 8 | Low | Satisfactory | 50 | Other | 1974 |