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 351–375 of 376
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Big Lake Apache County | 32 | 1964 | Significant | Satisfactory |
| Big Aso Coconino County | 16 | — | Low | Not Rated |
| Bear Canyon Coconino County | 50 | 1929 | Low | Not Rated |
| Bartlett Dam Maricopa County | 309 | 1939 | High | Not Available |
| Avra Valley Wwtp Pima County | 14 | 1994 | Low | Not Rated |
| Atchison Apache County | 8 | 1920 | Low | Not Rated |
| Aspen (No. 6) Maricopa County | 42 | 1973 | High | Satisfactory |
| Aspc-Safford Effluent Pond Graham County | 40 | 1992 | Low | Not Rated |
| Ashurst Lake Coconino County | 12 | 1954 | Low | Not Rated |
| Asarco 82 Gila County | 48 | 1983 | Significant | Satisfactory |
| Arivaca Pima County | 48 | 1970 | Significant | Fair |
| Apache Station Ash/Scrubber Wdf Cochise County | 33 | 1995 | High | Satisfactory |
| Apache Junction FRS Pinal County | 38 | 1988 | High | Satisfactory |
| Antelope Valley Detention Dam Mohave County | 17 | 1963 | Low | Fair |
| Antelope Detention Dam Mohave County | 29 | 1965 | Low | Fair |
| Anderson Graham County | 10 | — | Low | Not Rated |
| Alpine Sanitary Apache County | 9 | 1980 | Significant | Fair |
| Alamo Dam Mohave County | 283 | 1968 | High | Not Available |
| Adobe Maricopa County | 89 | 1982 | High | Satisfactory |
| Ab-Bc Pinal County | 150 | — | High | Not Available |
| A-1 Apache County | 40 | 1966 | High | Poor |
| 4 West Graham County | 226 | — | High | Not Available |
| 3 West Graham County | 307 | — | Low | Not Available |
| 2 West Graham County | 125 | — | Low | Not Available |
| 28 Tank Yavapai County | 33 | 1909 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.