1 Drought Update
Ellen Levin
Deputy Manager, Water
January 18, 2022
January 18, 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 286,500 360,360 73,860 79.5% 67.9%
Cherry 243,200 268,800 25,600 90.5% -
Eleanor 22,480 21,495 0 100.0% -
Water Bank 341,470 570,000 228,530 59.9% 98.4%
Total Tuolumne Storage 893,650 1,220,655 327,990 73.2% - Local System
Calaveras 68,295 96,670 28,375 70.6% -
San Antonio 48,929 53,266 4,337 91.9% -
Crystal Springs 53,594 58,309 4,715 91.9% -
San Andreas 16,513 19,027 2,514 86.8% -
Pilarcitos 3,121 3,030 0 100.0% -
Total Local Storage 190,452 230,302 39,941 82.7% -
Total System Storage 1,084,102 1,450,957 367,931 74.7% 81.6% Total without water bank 742,632 880,957 139,401 84.3% -
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
January 17, 2022
Avg Annual Total: 36.68 inches
YTD Total: 18.67 inches
Bay Area 7-station Precipitation Index
as of January 17, 2022
Avg Annual Total: 22.80 inches
YTD Total: 19.88 inches
National Precipitation Forecast
Total Deliveries
Total Deliveries
Total Deliveries
Water Use Reduction Tracker
15