The following table summarizes the status of Arizona’s key surface water supplies for the month of August.
| 2020 | 2019 | 2018 | 2017 | 2016 | |
|---|---|---|---|---|---|
| COLORADO RIVER SYSTEM | |||||
| Lake Powell (% full) | 50 | 55 | 49 | 63 | 55 |
| Lake Mead (% full) | 40 | 38 | 38 | 38 | 36 |
| Total Colorado System (% full) | 51 | 55 | 49 | 57 | 52 |
| Elevation (Lake Mead; ft msl) | 1,084 | 1,083 | 1,078 | 1,080 | 1,073 |
| DCP “Tier Zero” Declaration Elevation (ft msl) | 1,090 | NA | NA | NA | NA |
| Tier 1 Shortage Declaration Elevation (ft msl) | 1,075 | 1,075 | 1,075 | 1,075 | 1,075 |
| Elevation (Lake Powell; ft msl) | 3,605 | 3,621 | 3,601 | 3,633 | 3,617 |
| Upper Basin Water Year Precipitation to Date (% of average) | 81 | 120 | 68 | 114 | 97 |
| Upper Basin Current Snowpack (% of average) | NA | NA | NA | NA | NA |
| SALT / VERDE RIVER SYSTEM | |||||
| Salt River Reservoirs (% full) | 91 | 75 | 52 | 70 | 50 |
| Verde River Reservoirs (% full) | 60 | 56 | 28 | 61 | 43 |
| Total Salt / Verde System (% full) | 88 | 73 | 49 | 69 | 50 |
| Salt/Verde Water Year Precipitation to Date (% of average) | 93 | 112 | 50 | 117 | 89 |
| Salt/Verde Current Snowpack Level (% of average) | NA | NA | NA | NA | NA |
| CAP STORAGE | |||||
| Lake Pleasant (% full) | 62 | 65 | 47* | 63* | 61* |
*August 2016-2018 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