The following table summarizes the status of Arizona’s key surface water supplies for the month of March.
| 2018 | 2017 | 2016 | 2015 | 2014 | |
|---|---|---|---|---|---|
| COLORADO RIVER SYSTEM | |||||
| Lake Powell (% full) | 54 | 46 | 34 | 43 | 49 |
| Lake Mead (% full) | 41 | 41 | 40 | 41 | 48 |
| Total Colorado System (% full) | 53 | 50 | 49 | 49 | 48 |
| Elevation (Lake Mead; ft msl) | 1,088 | 1,089 | 1,084 | 1,089 | 1,108 |
| First Shortage Declaration Elevation (ft msl) | 1,075 | 1,075 | 1,075 | 1,075 | 1,075 |
| Elevation (Lake Powell; ft msl) | 3,613 | 3,594 | 3,594 | 3,592 | 3,576 |
| Upper Basin Water Year Precipitation to Date (% of average) | 68 | 123 | 94 | 81 | 106 |
| Upper Basin Current Snowpack (% of average) | 73 | 128 | 96 | 84 | 115 |
| SALT / VERDE RIVER SYSTEM | |||||
| Salt River Reservoirs (% full) | 65 | 72 | 58 | 56 | 57 |
| Verde River Reservoirs (% full) | 30 | 97 | 51 | 64 | 48 |
| Total Salt / Verde System (% full) | 61 | 75 | 57 | 57 | 56 |
| Salt/Verde Water Year Precipitation to Date (% of average) | 32 | 125 | 99 | 75 | 60 |
| Salt/Verde Current Snowpack Level (% of average) | 7 | 28 | 22 | 33 | 16 |
| CAP STORAGE | |||||
| Lake Pleasant (% full) | 87 | 94 | 91 | 94 | 79 |
| Roosevelt Lake Exchange Storage (AF) | <200* | 16,000 | 31,000 | 31,000 | 55,000 |
*Approximate exchange volume remaining as of December 1, 2017
Data compiled from Central Arizona Water Conservation District, U.S. Bureau of Reclamation, and Salt River Project