Dashboard of Key Indicators

Water Supply Reliability

Availability

Local Rainfall

Lindbergh Field Station as of March 31, 2019
Date Rainfall (in) Water Year to Date (in) Percent of Average*
September 0.00 0.00 0%
October 0.57 0.57 79%
November 0.81 1.38 80%
December 3.02 4.40 135%
January 2.80 7.20 137%
February 3.42 10.62 141%
March 1.23 11.85 127%

Colorado River

Hydrologic Conditions as of April 22, 2019
Hydrologic IndicatorPercent of Average*
Upper Basin Precipitation118%
Upper Basin Snowpack135%
Forecasted Unregulated Inflow to Lake Powell112%
Reservoir Storage Levels as of April 22, 2019
ReservoirStorage in MAFPercent of Capacity
Lake Powell9.037%
Lake Mead10.841%
Combined19.839%
MAF = million acre-feet

State Water Project (SWP)

For Calendar Year 2019 as of Nov. 30, 2018
SWP ContractorRequest (AF)Approved Allocation (AF)Percent
Metropolitan Water District 1,911,500 191,150 10%
Hydrologic Conditions as of April 16, 2019
Hydrologic IndicatorPercent of Average*
Northern Sierra 8-Station Precipitation Index135%
Northern Sierra Snowpack164%
Reservoir Storage Levels as of April 23, 2019
ReservoirStorage in MAFPercent of Capacity
Oroville3.1589%
San Luis1.8591%
Combined5.0090%

*Percent average is for the water year to date