Status of Arizona surface water supplies: May 2019

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

2019 2018 2017 2016 2015
COLORADO RIVER SYSTEM
Lake Powell (% full) 40 52 51 45 45
Lake Mead (% full) 41 39 40 37 38
Total Colorado System (% full) 47 51 51 48 48
Elevation (Lake Mead; ft msl) 1,088 1,083 1,084 1,076 1,078
First Shortage Declaration Elevation (ft msl) 1,075 1,075 1,075 1,075 1,075
Elevation (Lake Powell; ft msl) 3,577 3,609 3,605 3,592 3,591
Upper Basin Water Year Precipitation to Date (% of average) 119 73 117 97 79
Upper Basin Current Snowpack (% of average) 160 47 110 103 55
SALT / VERDE RIVER SYSTEM
Salt River Reservoirs (% full) 81 61 75 59 57
Verde River Reservoirs (% full) 81 31 76 44 54
Total Salt / Verde System (% full) 81 57 75 57 57
Salt/Verde Water Year Precipitation to Date (% of average) 126 33 116 82 73
Salt/Verde Current Snowpack Level (% of average) N/A N/A N/A N/A N/A
CAP STORAGE
Lake Pleasant (% full) 91 87* 85 93 89

*May 2018 Lake Pleasant storage estimated based on elevation of 1,691 ft msl

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