August 18, 2026
Category: AZ Surface Water Status
The following table summarizes the status of Arizona’s key surface water supplies for the month of August.
| 2026 | 2025 | 2024 | 2023 | 2022 | |
|---|---|---|---|---|---|
| COLORADO RIVER SYSTEM | |||||
| Lake Powell (% full) | 23 | 31 | 41 | 40 | 26 |
| Lake Mead (% full) | 27 | 31 | 33 | 33 | 27 |
| Total Colorado System (% full) | 32 | 39 | 44 | 44 | 34 |
| Lake Mead Elevation (ft msl) | 1,041 | 1,054 | 1,062 | 1,062 | 1,042 |
| 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) | 3,522 | 3,553 | 3,583 | 3,579 | 3,535 |
| 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) | 83 | 80 | 101 | 116 | 99 |
| Upper Basin Current Snowpack (% of average) | N/A | N/A | N/A | N/A | N/A |
| SALT / VERDE RIVER SYSTEM | |||||
| Salt River Reservoirs (% full) | 47 | 58 | 84 | 92 | 68 |
| Verde River Reservoirs (% full) | 58 | 48 | 64 | 74 | 30 |
| Total Salt / Verde System (% full) | 49 | 57 | 81 | 90 | 63 |
| Salt/Verde Water Year Precipitation to Date (% of average) | 98 | 53 | 106 | 134 | 89 |
| Salt/Verde Current Snowpack Level (% of average) | N/A | N/A | N/A | N/A | N/A |
| CAP STORAGE | |||||
| Lake Pleasant (% full) | 51 | 59 | 67 | 74 | 68 |
Data compiled from Central Arizona Water Conservation District, U.S. Bureau of Reclamation, and Salt River Project
