Dashboard of Key Indicators

Water Supply Reliability

Availability

Local Rainfall

Lindbergh Field Station as of May 31, 2017
Date Rainfall (in) Water Year to Date (in) Percent of Average*
October 0.07 0.07 12%
November 0.61 0.68 43%
December 4.22 4.90 158%
January 3.01 7.91 155%
February 3.71 11.62 158%
March 0.08 11.70 128%
April 0.01 11.71 118%
May 0.92 12.63 125%

Colorado River

Hydrologic Conditions as of May 22, 2017
Hydrologic IndicatorPercent of Average*
Upper Basin Precipitation118%
Upper Basin Snowpack152%
Forecasted Unregulated Inflow to Lake Powell115%
Reservoir Storage Levels as of May 22, 2017
ReservoirStorage in MAFPercent of Capacity
Lake Mead10.339%
Lake Powell13.154%
Combined23.446%
MAF = million acre-feet

State Water Project (SWP)

For Calendar Year 2017 as of April 14, 2017
SWP ContractorRequest (AF)Approved Allocation (AF)Percent
Metropolitan Water District 1,911,500 1,624,780 85%
Hydrologic Conditions as of May 21, 2017
Hydrologic IndicatorPercent of Average*
Forecasted runoff from Feather River245%
Northern Sierra 8-Station Precipitation Index199%
Northern Sierra Snowpack158%
Reservoir Storage Levels as of May 29, 2017
ReservoirStorage in MAFPercent of Capacity
Oroville2.5071%
San Luis1.9093%
Combined4.4079%

*Percent average is for the water year to date