Status of Arizona surface water supplies: January 2018

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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