April 14, 2023
Category: AZ Surface Water Status
The following table summarizes the status of Arizona’s key surface water supplies for the month of April.
| 2023 | 2022 | 2021 | 2020 | 2019 | |
|---|---|---|---|---|---|
| COLORADO RIVER SYSTEM | |||||
| Lake Powell (% full) | 23 | 24 | 36 | 48 | 37 |
| Lake Mead (% full) | 28 | 32 | 39 | 44 | 42 |
| Total Colorado System (% full) | 32 | 35 | 44 | 52 | 45 |
| Lake Mead Elevation (ft msl) | 1,046 | 1,060 | 1,083 | 1,098 | 1,090 |
| 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) | 3,520 | 3,523 | 3,565 | 3,600 | 3,569 |
| 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) | 129 | 95 | 73 | 90 | 119 |
| Upper Basin Current Snowpack (% of average) | 157 | 82 | 69 | 105 | 130 |
| SALT / VERDE RIVER SYSTEM | |||||
| Salt River Reservoirs (% full) | 98 | 77 | 82 | 98 | 77 |
| Verde River Reservoirs (% full) | 94 | 33 | 32 | 99 | 96 |
| Total Salt / Verde System (% full) | 98 | 72 | 75 | 98 | 80 |
| Salt/Verde Water Year Precipitation to Date (% of average) | 165 | 72 | 51 | 106 | 127 |
| Salt/Verde Current Snowpack Level (% of average) | 882 | 109 | N/A | N/A | 43 |
| CAP STORAGE | |||||
| Lake Pleasant (% full) | 80 | 89 | 93 | 95 | 93 |
Data compiled from Central Arizona Water Conservation District, U.S. Bureau of Reclamation, and Salt River Project
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