March 18, 2024
Category: AZ Surface Water Status
The following table summarizes the status of Arizona’s key surface water supplies for the month of March.
| 2024 | 2023 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|
| COLORADO RIVER SYSTEM | |||||
| Lake Powell (% full) | 34 | 23 | 25 | 38 | 49 |
| Lake Mead (% full) | 37 | 28 | 34 | 41 | 44 |
| Total Colorado System (% full) | 42 | 32 | 36 | 45 | 52 |
| Lake Mead Elevation (ft msl) | 1,076 | 1,046 | 1,066 | 1,087 | 1,096 |
| 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 | 1,045 | 1,045 |
| Tier 3 Shortage Declaration Elevation (ft msl) | 1,025 | 1,025 | 1,025 | 1,025 | 1,025 |
| Lake Powell Elevation (ft msl) | 3,561 | 3,520 | 3,526 | 3,570 | 3,602 |
| 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) | 101 | 125 | 100 | 73 | 88 |
| Upper Basin Current Snowpack (% of average) | 104 | 139 | 92 | 82 | 101 |
| SALT / VERDE RIVER SYSTEM | |||||
| Salt River Reservoirs (% full) | 89 | 90 | 77 | 83 | 85 |
| Verde River Reservoirs (% full) | 55 | 82 | 37 | 30 | 64 |
| Total Salt / Verde System (% full) | 85 | 89 | 72 | 77 | 82 |
| Salt/Verde Water Year Precipitation to Date (% of average) | 77 | 146 | 73 | 47 | 95 |
| Salt/Verde Current Snowpack Level (% of average) | 88 | 278 | 92 | 21 | 46 |
| CAP STORAGE | |||||
| Lake Pleasant (% full) | 73 | 66 | 85 | 92 | 91 |
Data compiled from Central Arizona Water Conservation District, U.S. Bureau of Reclamation, and Salt River Project
