Status of Arizona surface water supplies: June 2022

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

2022 2021 2020 2019 2018
COLORADO RIVER SYSTEM
Lake Powell (% full) 27 35 51 45 53
Lake Mead (% full) 28 36 42 40 38
Total Colorado System (% full) 35 42 52 49 51
Elevation (Lake Mead; ft msl) 1,046 1,071 1,090 1,086 1,079
DCP “Tier Zero” Declaration Elevation (ft msl) 1,090 1,090 1,090 NA NA
Tier 1 Shortage Declaration Elevation (ft msl) 1,075 1,075 1,075 1,075 1,075
Tier 2a Shortage Declaration Elevation (ft msl) 1,050 1,050 1,050 1,050 1,050
Tier 2b Shortage Declaration Elevation (ft msl) 1,045 1,045 1,045 NA NA
Elevation (Lake Powell; ft msl) 3,536 3,652 3,608 3,590 3,612
Minimum Power Generation Elevation Elevation (ft msl) 3,490 3,490 3,490 3,490 3,490
Upper Basin Water Year Precipitation to Date (% of average) 91 72 84 125 69
Upper Basin Current Snowpack (% of average) NA NA NA 765 NA
SALT / VERDE RIVER SYSTEM
Salt River Reservoirs (% full) 72 74 96 80 58
Verde River Reservoirs (% full) 31 31 90 70 29
Total Salt / Verde System (% full) 67 69 96 79 54
Salt/Verde Water Year Precipitation to Date (% of average) 65 50 101 126 30
Salt/Verde Current Snowpack Level (% of average) NA NA NA NA NA
CAP STORAGE
Lake Pleasant (% full) 87 85 90 87 79*

*June 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