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 126–150 of 172
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Round Mountain Detention Dam 2 Greenlee County | 30 | 1954 | Low | Fair |
| Russell Tank Dam Coconino County | 30 | 1930 | Low | Not Rated |
| Ryan Detention Dam Graham County | 37 | 1967 | Low | Fair |
| Sands Draw Basin Detention Dam Graham County | 26 | 1972 | Low | Poor |
| San Simon Barrier Structure Detention Dam Graham County | 31 | 1980 | Low | Not Rated |
| San Simon Fan Drop Structure Detention Dam Graham County | 26 | 1953 | Low | Poor |
| Scarlett Lake Apache County | 9 | 1950 | Low | Not Rated |
| Scholz Dam Coconino County | 24 | 1954 | Low | Not Rated |
| Sedona Effluent Reservoirs Yavapai County | 8 | 1995 | Low | Not Rated |
| Seligman Yavapai County | 18 | 1954 | Low | Not Rated |
| Sevenmile Tank Navajo County | 32 | — | Low | Not Rated |
| Sheep Springs #1 Apache County | 30 | 1956 | Low | Not Rated |
| Sierra Blanca Dam Apache County | 11 | 1958 | Low | Not Rated |
| Sierra Vista Wwtp Cochise County | 16 | — | Low | Not Rated |
| Slack Gila County | 60 | 1995 | Low | Not Rated |
| Slick Rock Detention Dam Graham County | 35 | 1981 | Low | Not Rated |
| Smith Tank Graham County | 18 | — | Low | Not Rated |
| Soldier Annex Dam Coconino County | 30 | 1935 | Low | Not Rated |
| South Well Detention Dam Graham County | 24 | 1981 | Low | Not Rated |
| State Line Detention Dam Greenlee County | 27 | 1952 | Low | Poor |
| Steel Dam Coconino County | 46 | 1898 | Low | Not Rated |
| St. Marys Apache County | 7 | 1925 | Low | Not Rated |
| Stockton Hill Mohave County | 37 | 1997 | Low | Not Rated |
| Sunnyside Apache County | 13 | 1912 | Low | Not Rated |
| Swale Tank Dam Mohave County | 27 | — | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.