1 Drought Update
Steven R. Ritchie
Assistant General Manager, Water
February 14, 2022
February 14, 2022 Reservoir Storage
Reservoir
Current
Storage1,2,3
Maximum
Storage4
Available
Capacity
Percent of
Maximum
Storage
Normal
Percent of
Maximum
Storage5
(AF) (AF) (AF)
Tuolumne System
Hetch Hetchy 303,300 360,360 57,060 84.2% 67.5%
Cherry 233,300 268,800 35,500 86.8% -
Eleanor 21,230 21,495 265 98.8% -
Water Bank 348,838 570,000 221,162 61.2% 99.0%
Total Tuolumne Storage 906,668 1,220,655 313,987 74.3% - Local System
Calaveras 66,612 96,670 30,058 68.9% -
San Antonio 42,694 53,266 10,572 80.2% -
Crystal Springs 48,093 58,309 10,216 82.5% -
San Andreas 16,563 19,027 2,464 87.0% -
Pilarcitos 2,631 3,030 399 86.8% -
Total Local Storage 176,593 230,302 53,709 76.7% -
Total System Storage 1,083,261 1,450,957 367,696 74.7% 81.4% Total without water bank 734,423 880,957 146,534 83.4% -
Other
California
Reservoirs
California Drought Monitor
Hetch Hetchy Precipitation
5 Upcountry Snowpack
Water Available to the City
Tuolumne River Water Available
to the City
Upcountry 6-station Precipitation Index as of
February 13, 2022
Avg Annual Total: 36.68 inches
YTD Total: 18.67 inches
Bay Area 7-station Precipitation Index
as of February 13, 2022
Avg Annual Total: 22.80 inches
YTD Total: 19.91 inches
National Precipitation Forecast
Total Deliveries
Drought Tracker