March 12, 2026
Category: AZ Surface Water Status
The following table summarizes the status of Arizona’s key surface water supplies for the month of March.
| 2026 | 2025 | 2024 | 2023 | 2022 | |
|---|---|---|---|---|---|
| COLORADO RIVER SYSTEM | |||||
| Lake Powell (% full) | 25 | 34 | 34 | 23 | 25 |
| Lake Mead (% full) | 34 | 35 | 37 | 28 | 34 |
| Total Colorado System (% full) | 37 | 41 | 42 | 32 | 36 |
| Lake Mead Elevation (ft msl) | 1,066 | 1,068 | 1,076 | 1,046 | 1,066 |
| 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) | 3,530 | 3,562 | 3,561 | 3,520 | 3,526 |
| 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) | 90 | 93 | 101 | 125 | 100 |
| Upper Basin Current Snowpack (% of average) | 68 | 91 | 104 | 139 | 92 |
| SALT / VERDE RIVER SYSTEM | |||||
| Salt River Reservoirs (% full) | 56 | 73 | 89 | 90 | 77 |
| Verde River Reservoirs (% full) | 67 | 52 | 55 | 82 | 37 |
| Total Salt / Verde System (% full) | 57 | 70 | 85 | 89 | 72 |
| Salt/Verde Water Year Precipitation to Date (% of average) | 95 | 77 | 77 | 146 | 73 |
| Salt/Verde Current Snowpack Level (% of average) | 6 | 88 | 88 | 278 | 92 |
| CAP STORAGE | |||||
| Lake Pleasant (% full) | 54 | 61 | 73 | 66 | 85 |
Data compiled from Central Arizona Water Conservation District, U.S. Bureau of Reclamation, and Salt River Project
