Dashboard of Key Indicators

Water Supply Reliability

Availability

Local Rainfall

Lindbergh Field Station as of July 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%
June 0.02 12.65 125%
July 0.00 12.65 124%

Colorado River

Hydrologic Conditions as of Aug. 7, 2017
Hydrologic IndicatorPercent of Average*
Upper Basin Precipitation113%
Forecasted Unregulated Inflow to Lake Powell113%
Reservoir Storage Levels as of Aug. 7, 2017
ReservoirStorage in MAFPercent of Capacity
Lake Mead9.9838%
Lake Powell15.3263%
Combined25.350%
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 July 16, 2017
Hydrologic IndicatorPercent of Average*
Forecasted runoff from Feather River245%
Northern Sierra 8-Station Precipitation Index193%
Northern Sierra Snowpack158%
Reservoir Storage Levels as of Aug. 7, 2017
ReservoirStorage in MAFPercent of Capacity
San Luis1.8993%
Oroville2.0157%
Combined3.9070%

*Percent average is for the water year to date