47Total Dams
15High Hazard
3Significant
Dam Safety in Coconino County, Arizona
Coconino County has 47 dams tracked in the National Inventory of Dams. Of these, 15 are classified as high hazard — meaning failure would probably cause loss of human life. Another 3 carry a significant hazard classification. Currently, 4 dams have a condition assessment of poor or unsatisfactory.
The average dam in Coconino County is 86 years old. The most common purpose is fish and wildlife pond. The tallest dam is Glen Canyon Dam at 710 ft.
Explore more: Oldest dams in Arizona · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Glen Canyon Dam | High | Not assessed | 710 | Hydroelectric | 1963 |
| C.c. Cragin Dam | High | Not assessed | 170 | Hydroelectric | 1964 |
| Walnut Canyon | High | Poor | 70 | Irrigation | 1881 |
| Masonry #2 | High | Satisfactory | 51 | Fish and Wildlife Pond | 1911 |
| Fredonia | High | Poor | 49 | Flood Risk Reduction | 1973 |
| City | High | Satisfactory | 47 | Water Supply | 1902 |
| Continental #1 | High | Satisfactory | 44 | Irrigation | 1972 |
| Santa Fe | High | Satisfactory | 42 | Water Supply | 1892 |
| Continental #2 | High | Satisfactory | 42 | Irrigation | 1974 |
| Railroad Tank Dam | High | Not assessed | 37 | Fire Protection, Stock, Or Small Fish Pond | 1900 |
| Lower Lake Mary | High | Not assessed | 33 | Water Supply | 1907 |
| Pasture Canyon | High | Fair | 30 | Irrigation | 1930 |
| Odell | High | Poor | 14 | Irrigation | 1978 |
| Navajo Trail | High | Not assessed | 10 | Flood Risk Reduction | |
| Charley Day Spring | High | Satisfactory | 10 | Flood Risk Reduction | 1940 |
| Upper Lake Mary | Significant | Satisfactory | 49 | Recreation | 1941 |
| Dogtown | Significant | Fair | 43 | Fish and Wildlife Pond | 1934 |
| West Cataract Creek | Significant | Fair | 36 | Recreation | 1947 |
| Chevelon Canyon | Low | Not assessed | 84 | Fish and Wildlife Pond | 1966 |
| Willow Springs | Low | Not assessed | 80 | Recreation | 1970 |
| Knoll | Low | Not assessed | 63 | Fish and Wildlife Pond | 1963 |
| Bear Canyon | Low | Not assessed | 50 | Fish and Wildlife Pond | 1929 |
| Navajo Evap Pond 60-2 | Low | Not assessed | 50 | Other | 1980 |
| Steel Dam | Low | Not assessed | 46 | Water Supply | 1898 |
| Kaibab | Low | Not assessed | 44 | Recreation | 1934 |
| Woods Canyon | Low | Not assessed | 43 | Fish and Wildlife Pond | 1956 |
| Canyon Diablo | Low | Poor | 40 | Flood Risk Reduction | 1966 |
| Coconino | Low | Not assessed | 39 | Fish and Wildlife Pond | 1954 |
| Big Supai Tank | Low | Not assessed | 34 | Other | 1882 |
| Mclellan | Low | Not assessed | 33 | Fish and Wildlife Pond | 1907 |
| Whitehorse Dam | Low | Not assessed | 31 | Fish and Wildlife Pond | 1938 |
| Russell Tank Dam | Low | Not assessed | 30 | Fire Protection, Stock, Or Small Fish Pond | 1930 |
| Soldier Annex Dam | Low | Not assessed | 30 | Irrigation | 1935 |
| Tremaine Reservoir | Low | Fair | 30 | Irrigation | 1952 |
| Scholz Dam | Low | Not assessed | 24 | Fish and Wildlife Pond | 1954 |
| Broken Tank | Low | Not assessed | 21 | Fire Protection, Stock, Or Small Fish Pond | |
| Number 10 Tank | Low | Not assessed | 21 | Fish and Wildlife Pond | 1939 |
| J. D. Dam | Low | Not assessed | 21 | Fish and Wildlife Pond | 1915 |
| Page Effluent Ponds 2a & 2b | Low | Not assessed | 19 | Other | 1998 |
| Sweetwood (k4) | Low | Not assessed | 18 | Fish and Wildlife Pond | |
| Kinnikinick | Low | Not assessed | 18 | Fish and Wildlife Pond | 1956 |
| Morton | Low | Not assessed | 17 | Irrigation | 1943 |
| Big Aso | Low | Not assessed | 16 | Fire Protection, Stock, Or Small Fish Pond | |
| Long Point Dam | Low | Not assessed | 15 | Fire Protection, Stock, Or Small Fish Pond | |
| Tom Tank | Low | Not assessed | 14 | Fire Protection, Stock, Or Small Fish Pond | |
| Foxboro Lake Dam | Low | Not assessed | 13 | Fire Protection, Stock, Or Small Fish Pond | 1905 |
| Ashurst Lake | Low | Not assessed | 12 | Fish and Wildlife Pond | 1954 |