Status of Arizona surface water supplies: June 2021

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

2021 2020 2019 2018 2017
COLORADO RIVER SYSTEM
Lake Powell (% full) 35 51 45 53 59
Lake Mead (% full) 36 42 40 38 39
Total Colorado System (% full) 42 52 49 51 55
Elevation (Lake Mead; ft msl) 1,071 1,090 1,086 1,079 1,081
DCP “Tier Zero” Declaration Elevation (ft msl) 1,090 1,090 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) 3,652 1,608 3,590 3,612 3,626
Upper Basin Water Year Precipitation to Date (% of average) 72 84 125 69 115
Upper Basin Current Snowpack (% of average) NA NA 765 NA NA
SALT / VERDE RIVER SYSTEM
Salt River Reservoirs (% full) 74 96 80 58 73
Verde River Reservoirs (% full) 31 90 70 29 63
Total Salt / Verde System (% full) 69 96 79 54 72
Salt/Verde Water Year Precipitation to Date (% of average) 50 101 126 30 114
Salt/Verde Current Snowpack Level (% of average) NA NA NA NA NA
CAP STORAGE
Lake Pleasant (% full) 85 90 87 79* *89

*June 2017-2018 Lake Pleasant storage estimated based on lake level

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