Arizona Dams
376 dams tracked by the National Inventory of Dams
Total Dams
376
High Hazard
159
42.3%
Poor / Unsatisfactory
44
Average Age
71 yrs
Hazard Classification
High159 (42.3%)
Significant38 (10.1%)
Low172 (45.7%)
Condition Assessment
Satisfactory97 (25.8%)
Fair49 (13.0%)
Poor / Unsatisfactory44 (11.7%)
Not Rated186 (49.5%)
Federal
112
State
36
Local
83
Private
127
Tallest Dams
- Glen Canyon Dam710 ft
- New Waddell Dam440 ft
- 1 West400 ft
- Theodore Roosevelt Dam357 ft
- Sierrita350 ft
High Hazard Dams
- Glen Canyon DamHigh
- New Waddell DamHigh
- Theodore Roosevelt DamHigh
- SierritaHigh
- Parker DamHigh
Poor Condition Dams
- ElgoPoor
- JaquesPoor
- Fool HollowPoor
- Black CanyonPoor
- Walnut CanyonPoor
All Dams in Arizona
Showing 276–300 of 376
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Reservation Apache County | 54 | 1965 | High | Poor |
| Reservoir Dike Graham County | 20 | 1975 | Low | Not Rated |
| Riggs Flat Graham County | 45 | 1951 | Low | Not Rated |
| Riggs Reservoir Graham County | 54 | 1929 | Significant | Satisfactory |
| Rio Salado Town Lake Maricopa County | 40 | 1997 | Significant | Satisfactory |
| Rittenhouse Pinal County | 35 | 1969 | High | Satisfactory |
| River Reservoir #3 Apache County | 58 | 1896 | High | Satisfactory |
| Rogers Apache County | 12 | 1910 | Low | Not Rated |
| Rogers Reservoir Graham County | 24 | 1894 | Low | Not Rated |
| Roper Lake Graham County | 17 | 1961 | High | Satisfactory |
| Round Mountain Detention Dam 1 Greenlee County | 22 | 1954 | Low | Fair |
| Round Mountain Detention Dam 2 Greenlee County | 30 | 1954 | Low | Fair |
| Round Rock Apache County | 46 | 1900 | High | Satisfactory |
| Russell Tank Dam Coconino County | 30 | 1930 | Low | Not Rated |
| Ryan Detention Dam Graham County | 37 | 1967 | Low | Fair |
| Saddleback FRS Maricopa County | 31 | 1982 | High | Fair |
| Sands Draw Basin Detention Dam Graham County | 26 | 1972 | Low | Poor |
| San Simon Barrier Structure Detention Dam Graham County | 31 | 1980 | Low | Not Rated |
| San Simon Fan Drop Structure Detention Dam Graham County | 26 | 1953 | Low | Poor |
| Santa Fe Coconino County | 42 | 1892 | High | Satisfactory |
| Scarlett Lake Apache County | 9 | 1950 | Low | Not Rated |
| Schoens Navajo County | 118 | 1988 | High | Satisfactory |
| Scholz Dam Coconino County | 24 | 1954 | Low | Not Rated |
| Scott Navajo County | 38 | 1945 | Significant | Fair |
| Sedona Effluent Reservoirs Yavapai County | 8 | 1995 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.