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 76–100 of 172
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Laguna Diversion Dam Yuma County | 43 | 1909 | Low | Not Available |
| Lake of The Woods Navajo County | 10 | 1934 | Low | Not Rated |
| Little Ortega Dam Apache County | 12 | — | Low | Not Rated |
| Little Reservoir Apache County | 18 | 1921 | Low | Not Rated |
| Lone Pine Navajo County | 98 | 1936 | Low | Satisfactory |
| Long Point Dam Coconino County | 15 | — | Low | Not Rated |
| Lower Chalk Tank Cochise County | 22 | 2002 | Low | Not Rated |
| Lower Rose Canyon Pima County | 45 | 1958 | Low | Not Rated |
| Lynx Creek Yavapai County | 62 | 1927 | Low | Not Rated |
| Mallory Tank Apache County | 13 | 1918 | Low | Not Rated |
| Mclaws | 12 | — | Low | Satisfactory |
| Mclellan Coconino County | 33 | 1907 | Low | Not Rated |
| Mesa Reservoir Yavapai County | 35 | 1935 | Low | Not Rated |
| Mesquite Generating Station Evaporation Ponds Maricopa County | 19 | 2003 | Low | Not Rated |
| Mexican Hay Lake Apache County | 11 | 1908 | Low | Not Rated |
| Mexican Tank Yavapai County | 27 | 1930 | Low | Not Rated |
| Mill Pond Navajo County | 30 | 1996 | Low | Not Rated |
| Mineral Park Flood Control Basin Mohave County | 43 | 1995 | Low | Not Rated |
| Morton Coconino County | 17 | 1943 | Low | Not Rated |
| Navajo Evap Pond 60-2 Coconino County | 50 | 1980 | Low | Not Rated |
| Nelson Apache County | 34 | 1890 | Low | Not Rated |
| Nelson Tank Yavapai County | 20 | — | Low | Not Rated |
| Norton Apache County | 10 | 1929 | Low | Not Rated |
| Number 10 Tank Coconino County | 21 | 1939 | Low | Not Rated |
| Nutrioso Apache County | 10 | 1929 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.