The following table summarizes the status of Arizona’s key surface water supplies for the month of November.
| 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|
| COLORADO RIVER SYSTEM | |||||
| Lake Powell (% full) | 29 | 45 | 54 | 44 | 59 |
| Lake Mead (% full) | 34 | 39 | 39 | 38 | 39 |
| Total Colorado System (% full) | 38 | 47 | 52 | 46 | 55 |
| Elevation (Lake Mead; ft msl) | 1,066 | 1,082 | 1,083 | 1,080 | 1,082 |
| DCP “Tier Zero” Declaration Elevation (ft msl) | 1,090 | 1,090 | NA | NA | NA |
| Tier 1 Shortage Declaration Elevation (ft msl) | 1,075 | 1,075 | 1,075 | 1,075 | 1,075 |
| Elevation (Lake Powell; ft msl) | 3,543 | 3,591 | 3,613 | 3,588 | 3.626 |
| Upper Basin Water Year Precipitation to Date (% of average) | 115 | 51 | 66 | 119 | 58 |
| Upper Basin Current Snowpack (% of average) | 83 | 87 | NA | NA | NA |
| SALT / VERDE RIVER SYSTEM | |||||
| Salt River Reservoirs (% full) | 72 | 84 | 70 | 49 | 64 |
| Verde River Reservoirs (% full) | 41 | 37 | 37 | 29 | 46 |
| Total Salt / Verde System (% full) | 68 | 78 | 66 | 47 | 62 |
| Salt/Verde Water Year Precipitation to Date (% of average) | 99 | 50 | 14 | 146 | 1 |
| Salt/Verde Current Snowpack Level (% of average) | NA | NA | NA | NA | NA |
| CAP STORAGE | |||||
| Lake Pleasant (% full) | 68 | 65 | 72 | 55* | 63* |
*November 2017-2018 Lake Pleasant storage estimated based on lake level
Data compiled from Central Arizona Water Conservation District, U.S. Bureau of Reclamation, and Salt River Project