The following table summarizes the status of Arizona’s key surface water supplies for the month of July.
| 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|
| COLORADO RIVER SYSTEM | |||||
| Lake Powell (% full) | 28 | 34 | 52 | 55 | 51 |
| Lake Mead (% full) | 27 | 35 | 40 | 40 | 38 |
| Total Colorado System (% full) | 35 | 41 | 52 | 54 | 50 |
| Lake Mead Elevation (ft msl) | 1,042 | 1,068 | 1,086 | 1,084 | 1,077 |
| Tier 1 Shortage Declaration Elevation (ft msl) | 1,075 | 1,075 | 1,075 | 1,075 | 1,075 |
| Tier 2a Shortage Declaration Elevation (ft msl) | 1,050 | 1,050 | 1,050 | 1,050 | 1,050 |
| Tier 2b Shortage Declaration Elevation (ft msl) | 1,045 | 1,045 | 1,045 | NA | NA |
| Lake Powell Elevation (ft msl) | 3,539 | 3,558 | 3,609 | 3,617 | 3,606 |
| Minimum Power Generation Elevation (ft msl) | 3,490 | 3,490 | 3,490 | 3,490 | 3,490 |
| Upper Basin Water Year Precipitation to Date (% of average) | 96 | 74 | 82 | 125 | 70 |
| Upper Basin Current Snowpack (% of average) | NA | NA | NA | NA | NA |
| SALT / VERDE RIVER SYSTEM | |||||
| Salt River Reservoirs (% full) | 69 | 71 | 94 | 78 | 53 |
| Verde River Reservoirs (% full) | 30 | 29 | 69 | 60 | 27 |
| Total Salt / Verde System (% full) | 64 | 66 | 91 | 76 | 50 |
| Salt/Verde Water Year Precipitation to Date (% of average) | 76 | 53 | 97 | 122 | 46 |
| Salt/Verde Current Snowpack Level (% of average) | NA | NA | NA | NA | NA |
| CAP STORAGE | |||||
| Lake Pleasant (% full) | 77 | 71 | 75 | 78 | 62 |
Data compiled from Central Arizona Water Conservation District, U.S. Bureau of Reclamation, and Salt River Project