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 1–25 of 38
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| West Cataract Creek Coconino County | 36 | 1947 | Significant | Fair |
| Upper Lake Mary Coconino County | 49 | 1941 | Significant | Satisfactory |
| Trophy Lake Navajo County | 33 | 1975 | Significant | Satisfactory |
| Sycamore Dam Pima County | 47 | 1939 | Significant | Not Rated |
| Soldier Lake Dam Pima County | 23 | 1922 | Significant | Not Rated |
| Silver Basin 1 Graham County | 225 | — | Significant | Not Available |
| Short Creek Southside #2 Mohave County | 60 | 1970 | Significant | Fair |
| Scott Navajo County | 38 | 1945 | Significant | Fair |
| Rio Salado Town Lake Maricopa County | 40 | 1997 | Significant | Satisfactory |
| Riggs Reservoir Graham County | 54 | 1929 | Significant | Satisfactory |
| North Crescent Lake Dam Apache County | 17 | 1934 | Significant | Not Rated |
| New Town #2 Greenlee County | 62 | 1945 | Significant | Fair |
| Morelos Diversion Dam Yuma County | 37 | 1950 | Significant | Fair |
| Mineral Park Tailings Dam Mohave County | 200 | — | Significant | Not Available |
| Main Pls Pinal County | 106 | 2008 | Significant | Satisfactory |
| Luna Apache County | 27 | 1911 | Significant | Satisfactory |
| Lower Sabino Dam Pima County | 18 | 1935 | Significant | Not Rated |
| Lee Valley Apache County | 24 | 1899 | Significant | Satisfactory |
| Lebanon Reservoir #1 (Upper) Graham County | 45 | 1910 | Significant | Fair |
| Lakeside Navajo County | 21 | 1904 | Significant | Fair |
| Judy Wash Retarding Dam Graham County | 30 | 1957 | Significant | Fair |
| Jacques Marsh Navajo County | 9 | 1988 | Significant | Satisfactory |
| Inlet Control Structure Pinal County | 116 | 2008 | Significant | Satisfactory |
| Gold Gulch #2 Gila County | 116 | 1982 | Significant | Satisfactory |
| Gold Gulch 1a Gila County | 106 | 1995 | Significant | Satisfactory |
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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.