Status of Arizona surface water supplies: July 2020

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

2020 2019 2018 2017 2016
COLORADO RIVER SYSTEM
Lake Powell (% full) 52 55 51 63 57
Lake Mead (% full) 40 40 38 38 36
Total Colorado System (% full) 52 54 50 57 53
Elevation (Lake Mead; ft msl) 1,086 1,084 1,077 1,079 1,072
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) 3,609 3,617 3,606 3,635 3,621
Upper Basin Water Year Precipitation to Date (% of average) 82 125 70 112 99
Upper Basin Current Snowpack (% of average) NA NA NA NA NA
SALT / VERDE RIVER SYSTEM
Salt River Reservoirs (% full) 94 78 53 70 53
Verde River Reservoirs (% full) 69 60 27 60 43
Total Salt / Verde System (% full) 91 76 50 69 52
Salt/Verde Water Year Precipitation to Date (% of average) 97 122 46 116 88
Salt/Verde Current Snowpack Level (% of average) NA NA NA NA NA
CAP STORAGE
Lake Pleasant (% full) 75 78 62 70 78

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