The following table summarizes the status of Arizona’s key surface water supplies for the month of December.
| 2019 | 2018 | 2017 | 2017 | 2015 | |
|---|---|---|---|---|---|
| COLORADO RIVER SYSTEM | |||||
| Lake Powell (% full) | 53 | 43 | 59 | 50 | 51 |
| Lake Mead (% full) | 40 | 38 | 39 | 38 | 38 |
| Total Colorado System (% full) | 46 | 46 | 54 | 49 | 50 |
| Elevation (Lake Mead; ft msl) | 1,085 | 1,079 | 1,081 | 1,077 | 1,078 |
| First Shortage Declaration Elevation (ft msl)* | 1,075 | 1,075 | 1,075 | 1,075 | 1,075 |
| Elevation (Lake Powell; ft msl) | 3,611 | 3,585 | 3,625 | 3,604 | 3,605 |
| Upper Basin Water Year Precipitation to Date (% of average) | 86 | 110 | 57 | 86 | 98 |
| Upper Basin Current Snowpack (% of average) | 128 | 104 | 58 | 93 | 95 |
| Salt River Reservoirs (% full) | 73 | 49 | 64 | 46 | 51 |
| Verde River Reservoirs (% full) | 49 | 31 | 40 | 32 | 43 |
| Total Salt / Verde System (% full) | 70 | 47 | 61 | 44 | 50 |
| Salt/Verde Water Year Precipitation to Date (% of average) | 149 | 109 | 2 | 72 | 160 |
| Salt/Verde Current Snowpack Level (% of average) | 251 | 84 | 6 | 54 | 102 |
| Lake Pleasant (% full) | 83 | 64 | 73 | 68 | 69 |
Data compiled from Central Arizona Water Conservation District, U.S. Bureau of Reclamation, and Salt River Project