Status of Arizona surface water supplies: April 2020

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

2020 2019 2018 2017 2016
COLORADO RIVER SYSTEM
Lake Powell (% full) 48 37 52 48 45
Lake Mead (% full) 44 42 40 41 38
Total Colorado System (% full) 52 45 51 50 48
Elevation (Lake Mead; ft msl) 1,098 1,090 1,085 1,087 1,080
DCP “Tier Zero” Declaration Elevation (ft msl) 1,090 NA NA NA NA
Tier 1 Shortage Declaration Elevation (ft msl) 1,075 1,075 1,075 1,075 1,075
Elevation (Lake Powell; ft msl) 3,600 3,569 3,610 3,598 3,591
Upper Basin Water Year Precipitation to Date (% of average) 90 119 74 121 94
Upper Basin Current Snowpack (% of average) 105 130 75 120 95
SALT / VERDE RIVER SYSTEM
Salt River Reservoirs (% full) 98 77 63 74 60
Verde River Reservoirs (% full) 99 96 31 89 43
Total Salt / Verde System (% full) 98 80 59 76 58
Salt/Verde Water Year Precipitation to Date (% of average) 106 127 31 122 81
Salt/Verde Current Snowpack Level (% of average) N/A 43 N/A N/A N/A
CAP STORAGE
Lake Pleasant (% full) 95 93 87 94 90

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