August 10, 2021

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

20212020201920182017
COLORADO RIVER SYSTEM
Lake Powell (% full)3250554963
Lake Mead (% full)3540383838
Total Colorado System (% full)4051554957
Elevation (Lake Mead; ft msl)1,0681,0841,0831,0781,080
DCP “Tier Zero” Declaration Elevation (ft msl)1,0901,090NANANA
Tier 1 Shortage Declaration Elevation (ft msl)1,0751,0751,0751,0751,075
Elevation (Lake Powell; ft msl)3,5533,6053,6213,6013,633
Upper Basin Water Year Precipitation to Date (% of average)808112068114
Upper Basin Current Snowpack (% of average)NANANANANA
SALT / VERDE RIVER SYSTEM
Salt River Reservoirs (% full)7191755270
Verde River Reservoirs (% full)4160562861
Total Salt / Verde System (% full)6788734969
Salt/Verde Water Year Precipitation to Date (% of average)719311250117
Salt/Verde Current Snowpack Level (% of average)NANANANANA
CAP STORAGE
Lake Pleasant (% full)64626547*63*

*August 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

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

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