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 151–172 of 172
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Bunch Reservoir Apache County | 28 | 1929 | Low | Not Rated |
| Broken Tank Coconino County | 21 | — | Low | Not Rated |
| Boynton Lake Dam Apache County | 32 | 1974 | Low | Not Rated |
| Boulder Flood Basin Yavapai County | 45 | 1983 | Low | Not Rated |
| Bob Crowder Detention Dam La Paz County | 27 | 1963 | Low | Not Rated |
| Billingsley #4 Yavapai County | 10 | 1957 | Low | Not Rated |
| Billingsley #3 Yavapai County | 23 | 1954 | Low | Not Rated |
| Billingsley #2 Yavapai County | 25 | 1946 | Low | Not Rated |
| Big Supai Tank Coconino County | 34 | 1882 | Low | Not Rated |
| Big Aso Coconino County | 16 | — | Low | Not Rated |
| Bear Canyon Coconino County | 50 | 1929 | Low | Not Rated |
| Avra Valley Wwtp Pima County | 14 | 1994 | Low | Not Rated |
| Atchison Apache County | 8 | 1920 | Low | Not Rated |
| Aspc-Safford Effluent Pond Graham County | 40 | 1992 | Low | Not Rated |
| Ashurst Lake Coconino County | 12 | 1954 | Low | Not Rated |
| 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 |
| 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 |
| 1 West Graham County | 400 | — | Low | Not Available |
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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.