Status of Arizona surface water supplies: December 2018

Posted on by

The following table summarizes the status of Arizona’s key surface water supplies for the month of December.

2018 2017 2016 2015 2014
COLORADO RIVER SYSTEM
Lake Powell (% full) 43 59 50 51 49
Lake Mead (% full) 38 39 38 38 39
Total Colorado System (% full) 46 54 49 50 50
Elevation (Lake Mead; ft msl) 1,079 1,081 1,077 1,078 1,084
First Shortage Declaration Elevation (ft msl)* 1,075 1,075 1,075 1,075 1,075
Elevation (Lake Powell; ft msl) 3,585 3,625 3,604 3,605 3,602
Upper Basin Water Year Precipitation to Date (% of average) 110 57 86 98 83
Upper Basin Current Snowpack (% of average) 104 58 93 95 95
SALT / VERDE RIVER SYSTEM
Salt River Reservoirs (% full) 49 64 46 51 50
Verde River Reservoirs (% full) 31 40 32 43 39
Total Salt / Verde System (% full) 47 61 44 50 49
Salt/Verde Water Year Precipitation to Date (% of average) 109 2 72 160 40
Salt/Verde Current Snowpack Level (% of average) 84 6 54 102 21
CAP STORAGE
Lake Pleasant (% full) 64 73 68 69 69

Data compiled from Central Arizona Water Conservation District, U.S. Bureau of Reclamation, and Salt River Project