The following table summarizes the status of Arizona’s key surface water supplies for the month of January.
| 2018 | 2017 | 2016 | 2015 | 2014 | |
|---|---|---|---|---|---|
| COLORADO RIVER SYSTEM | |||||
| Lake Powell (% full) | 57 | 48 | 48 | 47 | 43 |
| Lake Mead (% full) | 40 | 39 | 39 | 41 | 47 |
| Total Colorado System (% full) | 54 | 49 | 50 | 50 | 49 |
| Elevation (Lake Mead; ft msl) | 1,085 | 1,081 | 1,081 | 1,088 | 1,107 |
| First Shortage Declaration Elevation (ft msl) | 1,075 | 1,075 | 1,075 | 1,075 | 1,075 |
| Elevation (Lake Powell; ft msl) | 3,621 | 3,599 | 3,600 | 3,597 | 3,585 |
| Upper Basin Water Year Precipitation to Date (% of average) | 59 | 122 | 104 | 92 | 96 |
| Upper Basin Current Snowpack (% of average) | 63 | 142 | 107 | 101 | 101 |
| SALT / VERDE RIVER SYSTEM | |||||
| Salt River Reservoirs (% full) | 64 | 51 | 52 | 51 | 55 |
| Verde River Reservoirs (% full) | 40 | 59 | 42 | 39 | 50 |
| Total Salt / Verde System (% full) | 61 | 52 | 51 | 49 | 55 |
| Salt/Verde Water Year Precipitation to Date (% of average) | 12 | 133 | 121 | 65 | 80 |
| Salt/Verde Current Snowpack Level (% of average) | 12 | 81 | 81 | 90 | 56 |
| CAP STORAGE | |||||
| Lake Pleasant (% full) | 78 | 80 | 80 | 77 | 78 |
| Roosevelt Lake Exchange Storage (AF) | <200* | <200 | 16,000 | 31,000 | 31,000 |
*Approximate exchange volume remaining as of September 1, 2017
Data compiled from Central Arizona Water Conservation District, U.S. Bureau of Reclamation, and Salt River Project