Status of Arizona surface water supplies: December 2016

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

2016 2015 2014 2013 2012
COLORADO RIVER SYSTEM
Lake Powell (% full) 50 51 49 44 54
Lake Mead (% full) 38 38 39 47 51
Total Colorado System (% full) 49 50 50 50 56
Elevation (Lake Mead; ft msl) 1077 1,078 1,084 1,107 1,117
First Shortage Declaration Elevation (ft msl)* 1,075 1,075 1,075 1,075 1,075
Elevation (Lake Powell; ft msl) 3,604 3,605 3,602 3,588 3,615
Upper Basin Water Year Precipitation to Date (% of average) 86 98 83 114 63
Upper Basin Current Snowpack (% of average) 93 95 95 136 61
SALT / VERDE RIVER SYSTEM
Salt River Reservoirs (% full) 46 51 50 55 52
Verde River Reservoirs (% full) 32 43 39 50 32
Total Salt / Verde System (% full) 44 50 49 54 49
Salt/Verde Water Year Precipitation to Date (% of average) 72 160 40 112 47
Salt/Verde Current Snowpack Level (% of average) 54 102 21 0 25
CAP STORAGE
Lake Pleasant (% full) 68 69 69 63 55
Roosevelt Lake Exchange Storage (AF)** <500 16,000 31,000 31,000 55,000

*January 1 projected elevation of Lake Mead

**Approximate exchange volume remaining as of December 1, 2016

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