The following table summarizes the status of Arizona’s key surface water supplies for the month of January.
| 2021 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|
| COLORADO RIVER SYSTEM | |||||
| Lake Powell (% full) | 27 | 41 | 51 | 41 | 57 |
| Lake Mead (% full) | 34 | 40 | 42 | 39 | 40 |
| Total Colorado System (% full) | 37 | 46 | 52 | 45 | 54 |
| Elevation (Lake Mead; ft msl) | 1,067 | 1,085 | 1,092 | 1,082 | 1,085 |
| DCP “Tier Zero” Declaration Elevation (ft msl) | 1,090 | 1,090 | 1,090 | NA | NA |
| First Shortage Declaration Elevation (ft msl) | 1,075 | 1,075 | 1,075 | 1,075 | 1,075 |
| Elevation (Lake Powell; ft msl) | 3,536 | 3,580 | 3,607 | 3,580 | 3,621 |
| Upper Basin Water Year Precipitation to Date (% of average) | 132 | 61 | 90 | 95 | 59 |
| Upper Basin Current Snowpack (% of average) | 133 | 70 | 115 | 87 | 63 |
| SALT / VERDE RIVER SYSTEM | |||||
| Salt River Reservoirs (% full) | 75 | 83 | 77 | 50 | 64 |
| Verde River Reservoirs (% full) | 42 | 32 | 60 | 30 | 40 |
| Total Salt / Verde System (% full) | 71 | 77 | 74 | 47 | 61 |
| Salt/Verde Water Year Precipitation to Date (% of average) | 103 | 29 | 122 | 95 | 12 |
| Salt/Verde Current Snowpack Level (% of average) | 118 | 9 | 138 | 79 | 12 |
| CAP STORAGE | |||||
| Lake Pleasant (% full) | 74 | 81 | 87 | 75 | 78 |
Data compiled from Central Arizona Water Conservation District, U.S. Bureau of Reclamation, and Salt River Project