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 26–49 of 49
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Lebanon Reservoir #1 (Upper) Graham County | 45 | 1910 | Significant | Fair |
| Lakeside Navajo County | 21 | 1904 | Significant | Fair |
| Kennedy Park Pima County | 18 | 1973 | High | Fair |
| Judy Wash Retarding Dam Graham County | 30 | 1957 | Significant | Fair |
| Hx Detention Dam Graham County | 35 | 1956 | Low | Fair |
| Howard Graham County | 49 | 1975 | High | Fair |
| Horseshoe Cienega Dike Apache County | 15 | 1964 | High | Fair |
| Hole-N-Wall Detention Dam Mohave County | 32 | 1960 | Low | Fair |
| Halfway Detention Dam Graham County | 18 | 1940 | Low | Fair |
| Grayhorse Detention Dam Greenlee County | 28 | 1956 | Low | Fair |
| Graveyard Wash Graham County | 35 | 1962 | High | Fair |
| Gillespie Maricopa County | 66 | 1921 | Significant | Fair |
| Freeman Wash Retarding Graham County | 34 | 1963 | High | Fair |
| Dogtown Coconino County | 43 | 1934 | Significant | Fair |
| Daggs Navajo County | 57 | 1919 | High | Fair |
| Creighton Detention Dam Cochise County | 50 | 1956 | Significant | Fair |
| Coolidge Gila County | 250 | 1931 | High | Fair |
| Cluff Ranch #3 Graham County | 30 | 1937 | High | Fair |
| Christman Detention Dam Mohave County | 26 | 1958 | Low | Fair |
| Billingsley Dam Graham County | 76 | 1976 | High | Fair |
| Arivaca Pima County | 48 | 1970 | Significant | Fair |
| Antelope Valley Detention Dam Mohave County | 17 | 1963 | Low | Fair |
| Antelope Detention Dam Mohave County | 29 | 1965 | Low | 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.