Dashboard of Key Indicators

Water Supply Reliability

Availability

Local Rainfall

Lindbergh Field Station as of Dec. 31, 2017
Date Rainfall (in) Water Year to Date (in) Percent of Average*
October 0.00 0.00 0%
November 0.02 0.02 1%
December 0.07 0.09 3%

Colorado River

Hydrologic Conditions as of Jan. 8, 2018
Hydrologic IndicatorPercent of Average*
Upper Basin Precipitation53.0%
Upper Basin Snowpack55.0%
Forecasted Unregulated Inflow to Lake Powell62.0%
Reservoir Storage Levels as of Jan. 8, 2018
ReservoirStorage in MAFPercent of Capacity
Lake Mead10.339%
Lake Powell13.9857%
Combined24.2848%
MAF = million acre-feet

State Water Project (SWP)

For Calendar Year 2018 as of Nov. 29, 2017
SWP ContractorRequest (AF)Approved Allocation (AF)Percent
Metropolitan Water District 4,172,790 631,115 15.1%
Hydrologic Conditions as of Jan. 8, 2018
Hydrologic IndicatorPercent of Average*
Northern Sierra 8-Station Precipitation Index78.0%
Northern Sierra Snowpack18.0%
Reservoir Storage Levels as of Jan. 8, 2018
ReservoirStorage in MAFPercent of Capacity
San Luis1.6681%
Oroville1.2435%
Combined2.9052%

*Percent average is for the water year to date