March 14, 2023

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

20232022202120202019
COLORADO RIVER SYSTEM
Lake Powell (% full)2325384938
Lake Mead (% full)2834414441
Total Colorado System (% full)3236455245
Lake Mead Elevation (ft msl)1,0461,0661,0871,0961,089
Tier 1 Shortage Declaration Elevation (ft msl)1,0751,0751,0751,0751,075
Tier 2a Shortage Declaration Elevation (ft msl)1,0501,0501,0501,0501,050
Tier 2b Shortage Declaration Elevation (ft msl)1,0451,0451,045NANA
Tier 3 Shortage Declaration Elevation (ft msl)1,0251,0251,0251,0251,025
Lake Powell Elevation (ft msl)3,5203,5263,5703,6023,571
Minimum Power Generation Elevation (ft msl)3,4903,4903,4903,4903,490
Upper Basin Water Year Precipitation to Date (% of average)1251007388123
Upper Basin Current Snowpack (% of average)1399282101132
SALT / VERDE RIVER SYSTEM
Salt River Reservoirs (% full)9077838565
Verde River Reservoirs (% full)8237306498
Total Salt / Verde System (% full)8972778269
Salt/Verde Water Year Precipitation to Date (% of average)146734795124
Salt/Verde Current Snowpack Level (% of average)27892214694
CAP STORAGE
Lake Pleasant (% full)6685929192

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

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