Status of Arizona surface water supplies: May 2015

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

2015 2014 2013 2012 2011
COLORADO RIVER SYSTEM
Lake Powell (% full) 45 40 47 64 53
Lake Mead (% full) 38 43 50 54 43
Total Colorado System (% full) 48 47 52 62 53
Elevation (Lake Mead; feet msl) 1,078 1,095 1,114 1,124 1,096
First Shortage Declaration Elevation (Lake Mead; feet msl) 1,075 1,075 1,075 1,075 1,075
Elevation (Lake Powell; feet msl) 3,591 3,576 3,597 3,636 3,612
Upper Basin Water Year Precipitation to Date (% of average) 79 98 80 77 125
Upper Basin Current Snowpack (% of average) 55 100 85 29 150
SALT / VERDE RIVER SYSTEM
Salt River Reservoirs (% full) 57 58 62 71 94
Verde River Reservoirs (% full) 54 46 70 29 35
Total Salt / Verde System (% full) 57 56 63 65 87
Salt/Verde Water Year Precipitation to Date (% of average) 73 53 82 72 70
Salt/Verde Current Snowpack Level (% of average) N/A N/A N/A N/A N/A
CAP STORAGE
Lake Pleasant (% full) 89 84 78 93 95
Roosevelt Lake Exchange Storage (AF)* 31,000 31,000 55,000 66,671 66,671

*Approximate exchange volume remaining as of December 1, 2014

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