1 Drought Update
Steven R. Ritchie
Assistant General Manager, Water
September 19, 2022
September 19, 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 290,700 360,360 69,660 80.7% 82.5%
Cherry 239,900 273,345 33,445 87.8% -
Eleanor 20,140 27,100 6,960 74.3% -
Water Bank 254,548 570,000 315,452 44.7% 97.3%
Total Tuolumne Storage 805,288 1,230,805 425,517 65.4% - Local System
Calaveras 58,400 96,670 38,270 60.4% -
San Antonio 43,970 53,266 9,296 82.5% -
Crystal Springs 51,250 58,309 7,059 87.9% -
San Andreas 16,570 19,027 2,457 87.1% -
Pilarcitos 2,382 3,030 648 78.6% -
Total Local Storage 172,572 230,302 57,730 74.9% -
Total System Storage 977,860 1,461,107 483,247 66.9% 82.5% Total without water bank 723,312 891,107 167,795 81.2% -
Other
California
Reservoirs
California Drought Monitor
Upcountry 6-station Precipitation Index as of
September 18, 2022
Avg Annual Total: 36.68 inches
YTD Total: 24.40 inches
Bay Area 7-station Precipitation Index
as of September 18, 2022
Avg Annual Total: 22.80 inches
YTD Total: 24.00 inches
National Precipitation Forecast
Total Deliveries
Partnership with the San Francisco Giants
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Announcement
• TV & Radio spots
• 6 Ballpark Activations
• Ballpark Signage
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• July 29 to end of
season