October 12, 2022
Category: AZ Surface Water Status
The following table summarizes the status of Arizona’s key surface water supplies for the month of October.
| 2022 | 2021 | 2020 | 2019 | 2019 | |
|---|---|---|---|---|---|
| COLORADO RIVER SYSTEM | |||||
| Lake Powell (% full) | 25 | 29 | 45 | 54 | 44 |
| Lake Mead (% full) | 28 | 34 | 39 | 39 | 38 |
| Total Colorado System (% full) | 33 | 38 | 47 | 52 | 46 |
| Lake Mead Elevation (ft msl) | 1,045 | 1,066 | 1,082 | 1,083 | 1,080 |
| 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 |
| Lake Powell Elevation (ft msl) | 3,530 | 3,543 | 3,591 | 3,613 | 3,588 |
| 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) | 107 | 115 | 51 | 66 | 119 |
| Upper Basin Current Snowpack (% of average) | 193 | 83 | 87 | N/A | N/A |
| SALT / VERDE RIVER SYSTEM | |||||
| Salt River Reservoirs (% full) | 67 | 72 | 84 | 70 | 49 |
| Verde River Reservoirs (% full) | 36 | 41 | 37 | 37 | 29 |
| Total Salt / Verde System (% full) | 63 | 68 | 78 | 66 | 47 |
| Salt / Verde Water Year Precipitation to Date (% average) | 261 | 99 | 50 | 14 | 146 |
| Salt / Verde Current Snowpack Level (% of average) | N/A | N/A | N/A | N/A | N/A |
| CAP STORAGE | |||||
| Lake Pleasant (% full) | 59 | 68 | 65 | 72 | 55* |
*November 2018 Lake Pleasant storage estimated based on lake level
Data compiled from Central Arizona Water Conservation District, U.S. Bureau of Reclamation, and Salt River Project
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