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 26–50 of 97
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Red Mountain Freeway Levee Maricopa County | 16 | 2008 | High | Satisfactory |
| Plains Lpg Dam Maricopa County | 23 | 1977 | High | Satisfactory |
| Phoenix Detention Basin #7 Maricopa County | 31 | 1978 | High | Satisfactory |
| Park Avenue Detention Basin Complex Pima County | 18 | 2008 | High | Satisfactory |
| Palo Verde Evaporation Pond No. 3 Maricopa County | 45 | 2009 | High | Satisfactory |
| Palo Verde Evaporation Pond #2 Maricopa County | 39 | 1987 | High | Satisfactory |
| Palo Verde Evaporation Pond #1 Maricopa County | 34 | 1981 | High | Satisfactory |
| North Mountain Flood Detention #3 Maricopa County | 32 | 1975 | High | Satisfactory |
| North Heights (No. 11) Maricopa County | 59 | 1976 | High | Satisfactory |
| No Name Wash Graham County | 48 | 1977 | High | Satisfactory |
| New River Dam Maricopa County | 105 | 1985 | High | Satisfactory |
| Murphy Reservoir Pima County | 60 | 1987 | High | Satisfactory |
| Mclaws | 12 | — | Low | Satisfactory |
| Masonry #2 Coconino County | 51 | 1911 | High | Satisfactory |
| Main Pls Pinal County | 106 | 2008 | Significant | Satisfactory |
| Magma Retarding Pinal County | 23 | 1964 | High | Satisfactory |
| Lynx Lake Yavapai County | 89 | 1962 | High | Satisfactory |
| Luna Apache County | 27 | 1911 | Significant | Satisfactory |
| Lower Goldwater Yavapai County | 73 | 1923 | High | Satisfactory |
| Lower Chase Creek Greenlee County | 94 | 1987 | High | Satisfactory |
| Lone Pine Navajo County | 98 | 1936 | Low | Satisfactory |
| Little Hell'S Canyon Yavapai County | 70 | 1951 | High | Satisfactory |
| Lee Valley Apache County | 24 | 1899 | Significant | Satisfactory |
| Lee Graham County | 71 | 1981 | High | Satisfactory |
| Leach Flood #1 Pima County | 36 | 1965 | High | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.