January 10, 2023
Category: AZ Surface Water Status
The following table summarizes the status of Arizona’s key surface water supplies for the month of January.
| 2023 | 2022 | 2021 | 2020 | 2019 | |
|---|---|---|---|---|---|
| COLORADO RIVER SYSTEM | |||||
| Lake Powell (% full) | 24 | 27 | 41 | 51 | 41 |
| Lake Mead (% full) | 28 | 34 | 40 | 42 | 39 |
| Total Colorado System (% full) | 33 | 37 | 46 | 52 | 45 |
| Lake Mead Elevation (ft msl) | 1,045 | 1,067 | 1,085 | 1,092 | 1,082 |
| 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 |
| Tier 3 Shortage Declaration Elevation (ft msl) | 1,025 | 1,025 | 1,025 | 1,025 | 1,025 |
| Lake Powell Elevation (ft msl) | 3,525 | 3,536 | 3,580 | 3,607 | 3,580 |
| 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) | 118 | 132 | 61 | 90 | 95 |
| Upper Basin Current Snowpack (% of average) | 136 | 133 | 70 | 115 | 87 |
| SALT / VERDE RIVER SYSTEM | |||||
| Salt River Reservoirs (% full) | 73 | 75 | 83 | 77 | 50 |
| Verde River Reservoirs (% full) | 50 | 42 | 32 | 60 | 30 |
| Total Salt / Verde System (% full) | 70 | 71 | 77 | 74 | 47 |
| Salt/Verde Water Year Precipitation to Date (% of average) | 132 | 103 | 29 | 122 | 95 |
| Salt/Verde Current Snowpack Level (% of average) | 127 | 118 | 9 | 138 | 79 |
| CAP STORAGE | |||||
| Lake Pleasant (% full) | 62 | 74 | 81 | 87 | 75 |
Data compiled from Central Arizona Water Conservation District, U.S. Bureau of Reclamation, and Salt River Project
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