Dashboard of Key Indicators

Water Supply Reliability

Availability

Local Rainfall

Lindbergh Field Station as of Aug. 31, 2019
Date Rainfall (in) Water Year to Date (in) Percent of Average*
October 0.57 0.57 100%
November 0.81 1.38 87%
December 3.02 4.40 141%
January 2.80 7.20 141%
February 3.42 10.62 144%
March 1.23 11.85 129%
April 0.16 12.01 121%
May 0.80 12.81 127%
June 0.01 12.82 126%
July 0.00 12.82 126%
August 0.00 12.82 126%

Colorado River

Hydrologic Conditions as of Sept. 3, 2019
Hydrologic IndicatorPercent of Average*
Upper Basin Precipitation114%
Forecasted Unregulated Inflow to Lake Powell125%
Reservoir Storage Levels as of Sept. 3, 2019
ReservoirStorage in MAFPercent of Capacity
Lake Mead10.339%
Lake Powell13.656%
Combined23.947%
MAF = million acre-feet

State Water Project (SWP)

For Calendar Year 2019 as of June 19, 2019
SWP ContractorRequest (AF)Approved Allocation (AF)Percent
Metropolitan Water District 1,911,500 1,433,620 75%
Hydrologic Conditions as of Aug. 20, 2019
Hydrologic IndicatorPercent of Average*
Northern Sierra 8-Station Precipitation Index135%
Northern Sierra Snowpack163%
Reservoir Storage Levels as of Sept. 8, 2019
ReservoirStorage in MAFPercent of Capacity
Oroville2.5071%
San Luis1.2059%
Combined3.7066%

*Percent average is for the water year to date