Status of Arizona surface water supplies: May 2017

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

2017 2016 2015 2014 2013
COLORADO RIVER SYSTEM
Lake Powell (% full) 51 45 45 40 47
Lake Mead (% full) 40 37 38 43 50
Total Colorado System (% full) 51 48 48 47 52
Elevation (Lake Mead; ft msl) 1,084 1,076 1,078 1,095 1,114
First Shortage Declaration Elevation (ft msl) 1,075 1,075 1,075 1,075 1,075
Elevation (Lake Powell; ft msl) 3,605 3,592 3,591 3,577 3,597
Upper Basin Water Year Precipitation to Date (% of average) 117 97 79 98 80
Upper Basin Current Snowpack (% of average) 110 103 55 100 85
SALT / VERDE RIVER SYSTEM
Salt River Reservoirs (% full) 75 59 57 58 62
Verde River Reservoirs (% full) 76 44 54 46 70
Total Salt / Verde System (% full) 75 57 57 56 63
Salt/Verde Water Year Precipitation to Date (% of average) 116 82 73 53 82
Salt/Verde Current Snowpack Level (% of average) N/A N/A N/A N/A N/A
CAP STORAGE
Lake Pleasant (% full) 85 93 89 84 78
Roosevelt Lake Exchange Storage (AF)* 441 16,000 31,000 31,000 55,000

*Approximate exchange volume remaining as of May 2017

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