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 51–75 of 376
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Stoneridge (No. 19) Maricopa County | 38 | 1973 | High | Satisfactory |
| Stockton Wash Retarding Graham County | 48 | 1964 | High | Poor |
| Stockton Hill Mohave County | 37 | 1997 | Low | Not Rated |
| St. Marys Apache County | 7 | 1925 | Low | Not Rated |
| Stewart Mountain Dam Maricopa County | 210 | 1930 | High | Not Available |
| Steel Dam Coconino County | 46 | 1898 | Low | Not Rated |
| State Line Detention Dam Greenlee County | 27 | 1952 | Low | Poor |
| Spook Hill Maricopa County | 27 | 1979 | High | Satisfactory |
| South Well Detention Dam Graham County | 24 | 1981 | Low | Not Rated |
| Soldier Lake Dam Pima County | 23 | 1922 | Significant | Not Rated |
| Soldier Annex Dam Coconino County | 30 | 1935 | Low | Not Rated |
| Smith Tank Graham County | 18 | — | Low | Not Rated |
| Slick Rock Detention Dam Graham County | 35 | 1981 | Low | Not Rated |
| Slack Gila County | 60 | 1995 | Low | Not Rated |
| Silver Basin 1 Graham County | 225 | — | Significant | Not Available |
| Signal Butte FRS Maricopa County | 45 | 1988 | High | Satisfactory |
| Sierrita Pima County | 350 | — | High | Not Available |
| Sierra Vista Wwtp Cochise County | 16 | — | Low | Not Rated |
| Sierra Blanca Dam Apache County | 11 | 1958 | Low | Not Rated |
| Shush Be Zahze Apache County | 37 | 1966 | High | Poor |
| Shush Be Tou Apache County | 36 | 1966 | High | Poor |
| Short Creek Southside #2 Mohave County | 60 | 1970 | Significant | Fair |
| Short Creek Southside #1 Mohave County | 38 | 1975 | High | Fair |
| Sheep Springs #1 Apache County | 30 | 1956 | Low | Not Rated |
| Sevenmile Tank Navajo County | 32 | — | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.