Dams in Rio Arriba County, New Mexico
38Total Dams
25High Hazard
7Significant
Dam Safety in Rio Arriba County, New Mexico
Rio Arriba County has 38 dams tracked in the National Inventory of Dams. Of these, 25 are classified as high hazard — meaning failure would probably cause loss of human life. Another 7 carry a significant hazard classification. Currently, 21 dams have a condition assessment of poor or unsatisfactory.
The average dam in Rio Arriba County is 63 years old. The most common purpose is flood risk reduction. The tallest dam is Abiquiu Dam at 354 ft.
Explore more: Oldest dams in New Mexico · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Abiquiu Dam | High | Not Available | 354 | Flood Risk Reduction | 1963 |
| El Vado Dam | High | Not Available | 230 | Irrigation | 1935 |
| Heron Dike | High | Not Available | 94 | Irrigation | 1971 |
| Sebastian Martin Site 6 Dam | High | Poor | 93 | Flood Risk Reduction | 1973 |
| Sebastian Martin Site 5 Dam | High | Poor | 84 | Flood Risk Reduction | 1981 |
| Sebastian Martin Site 4 Dam | High | Poor | 76 | Flood Risk Reduction | 1977 |
| Lower Mundo | High | Satisfactory | 75 | Recreation | 1968 |
| Santa Cruz Site 2g Dam | High | Poor | 75 | Flood Risk Reduction | 1982 |
| Sebastian Martin Bm 1 Dam | High | Poor | 74 | Flood Risk Reduction | 1978 |
| Sebastian Martin Site 3 Dam | High | Fair | 69 | Flood Risk Reduction | 1977 |
| Santa Cruz Site 4 Dam | High | Fair | 65 | Flood Risk Reduction | 1961 |
| Santa Cruz Site 1 Dam | High | Poor | 62 | Flood Risk Reduction | 1962 |
| Sebastian Martin Site 2 Dam | High | Fair | 60 | Flood Risk Reduction | 1977 |
| Santa Cruz Site 5 Dam | High | Poor | 59 | Flood Risk Reduction | 1961 |
| Sebastian Martin Site 18 Dam | High | Poor | 55 | Flood Risk Reduction | 1985 |
| Santa Cruz Site 3a Dam | High | Poor | 54 | Flood Risk Reduction | 1972 |
| Santa Cruz Site 3 Dam | High | Fair | 54 | Flood Risk Reduction | 1962 |
| Laguna Del Campo Dam | High | Poor | 36 | Recreation | 1940 |
| La Mesilla Site 1 Dam | High | Poor | 33 | Flood Risk Reduction | 1970 |
| Pine Tree | High | Satisfactory | 29 | Recreation | 1968 |
| Grady Hamilton | High | Unsatisfactory | 28 | Recreation | |
| La Jara | High | Satisfactory | 27 | Irrigation | 1900 |
| Dulce | High | Satisfactory | 24 | Irrigation | 1903 |
| Crowley Irrigation System | High | Poor | 22 | Irrigation | 1950 |
| Fourth Of July | High | Unsatisfactory | 20 | Irrigation | 1960 |
| La Tierra Grande Dam | Significant | Poor | 28 | Recreation | 1991 |
| Hopewell Lake Dam | Significant | Poor | 27 | Recreation | 1953 |
| Pin Dee | Significant | Poor | 25 | Recreation | 1960 |
| Weinpovi | Significant | Poor | 25 | Recreation | 1960 |
| Upper Trout Lake Dam | Significant | Not Rated | 20 | Recreation | 1950 |
| Pappaws | Significant | Unsatisfactory | 17 | Irrigation | 1960 |
| Upper Of Lower Canjilon Lake Dam | Significant | Not Rated | 10 | Recreation | 1948 |
| Fort Heron Preserve Phase Ii Dam | Low | Satisfactory | 31 | Recreation | 1996 |
| Canada Tanques Retention Dam | Low | Not Rated | 30 | Other | 1991 |
| Dwight Baker Dam | Low | Poor | 29 | Irrigation | 1957 |
| San Gregorio Dam | Low | Fair | 28 | Irrigation | 1947 |
| Fort Heron Preserve Phase I Dam | Low | Satisfactory | 16 | Recreation | 1950 |
| Stone Lake Dike 3 | Undetermined | Poor | 10 | Recreation | 1966 |