The following table summarizes the status of Arizona’s key surface water supplies for the month of July.
| 2020 | 2019 | 2018 | 2017 | 2016 | |
|---|---|---|---|---|---|
| COLORADO RIVER SYSTEM | |||||
| Lake Powell (% full) | 52 | 55 | 51 | 63 | 57 |
| Lake Mead (% full) | 40 | 40 | 38 | 38 | 36 |
| Total Colorado System (% full) | 52 | 54 | 50 | 57 | 53 |
| Elevation (Lake Mead; ft msl) | 1,086 | 1,084 | 1,077 | 1,079 | 1,072 |
| 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) | 3,609 | 3,617 | 3,606 | 3,635 | 3,621 |
| Upper Basin Water Year Precipitation to Date (% of average) | 82 | 125 | 70 | 112 | 99 |
| Upper Basin Current Snowpack (% of average) | NA | NA | NA | NA | NA |
| SALT / VERDE RIVER SYSTEM | |||||
| Salt River Reservoirs (% full) | 94 | 78 | 53 | 70 | 53 |
| Verde River Reservoirs (% full) | 69 | 60 | 27 | 60 | 43 |
| Total Salt / Verde System (% full) | 91 | 76 | 50 | 69 | 52 |
| Salt/Verde Water Year Precipitation to Date (% of average) | 97 | 122 | 46 | 116 | 88 |
| Salt/Verde Current Snowpack Level (% of average) | NA | NA | NA | NA | NA |
| CAP STORAGE | |||||
| Lake Pleasant (% full) | 75 | 78 | 62 | 70 | 78 |
Data compiled from Central Arizona Water Conservation District, U.S. Bureau of Reclamation, and Salt River Project