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 26–38 of 38
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Gillespie Maricopa County | 66 | 1921 | Significant | Fair |
| Elders Gulch Tailings Graham County | — | — | Significant | Not Available |
| D Tailings Pinal County | 150 | — | Significant | Not Available |
| Dogtown Coconino County | 43 | 1934 | Significant | Fair |
| Creighton Detention Dam Cochise County | 50 | 1956 | Significant | Fair |
| Coronado Gen. Station Evap. Pond Apache County | 75 | 1978 | Significant | Satisfactory |
| Concho Springs Apache County | 26 | 1927 | Significant | Satisfactory |
| Cholla Cooling Pond Navajo County | 13 | 1961 | Significant | Satisfactory |
| Brine Disposal Pond Dam Mohave County | 22 | 2001 | Significant | Satisfactory |
| Big Lake Apache County | 32 | 1964 | Significant | Satisfactory |
| Asarco 82 Gila County | 48 | 1983 | Significant | Satisfactory |
| Arivaca Pima County | 48 | 1970 | Significant | Fair |
| Alpine Sanitary Apache County | 9 | 1980 | Significant | Fair |
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Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.