Water Talks: Introduction
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Water Authority Board Chair Michael T. Hogan
January 31, 2012 1
Frank Belock ◦ Emergency Storage Project
John Galleher ◦ Regional infrastructure monitoring and maintenance
Q & A after each presentation
2
1946 Last year local water supply
was able to support San Diego county’s population and economy
County population: 552,804
91% increase from 1940
4
San Diego County
Water Supply Challenge
LAKE SHASTA
LAKE OROVILLE
State Water Project (Bay-Delta)
16% Colorado River
54%
Local Supplies and Conservation
30%
San Diego County imports ~70% of its water supply
5
6
Regulatory
restrictions
Drought/climate
change
Increasing
demand/limited
supply
Rising costs
7
2004 Bay-Delta levee break
8
266 Miles
5 Miles
0 AF 0 Miles
85 Facilities
0 MGD
2.8 MW
300 Miles
27.5 Miles
266,375 AF 58 Miles
107 Facilities
100 MGD
44.5 MW
Pipelines Pipe Relining Regional Water
Storage
Canal Lining Pumping/Control
Facilities
Regional Water
Treatment
Hydroelectric
Facility
1999 2011
Acre-Foot (AF) Millions of Gallons per Day (MGD)
Megawatt (MW) Number
Miles Miles Miles
Water Authority Facilities*
*Includes 152,000 acre-feet of storage from the San Vicente Dam Raise, now under construction
Increasing San Diego County's Water Supply Reliability through Supply
Diversification
Metropolitan Water District
Imperial Irrigation District Transfer
All American & Coachella Canal Lining
Conservation (existing and additional)
2011(final) 1991
95%
5%
Total = 594 TAF
44%
11%
3%
4% 11%
14%
13%
2020
Total = 779 TAF
30%
6%
4%
6% 13% 10%
24%
7%
Local Surface Water
Groundwater
Recycled Water
Seawater Desalination
Total = 578 TAF
Visit our website: SDCWA.org
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