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ReTHINK Water - San Diego County Water Authority
ReTHINK Water - San Diego County Water Authority
ReTHINK Water - San Diego County Water Authority
ReTHINK Water - San Diego County Water Authority
ReTHINK Water - San Diego County Water Authority
ReTHINK Water - San Diego County Water Authority
ReTHINK Water - San Diego County Water Authority
ReTHINK Water - San Diego County Water Authority
ReTHINK Water - San Diego County Water Authority
ReTHINK Water - San Diego County Water Authority
ReTHINK Water - San Diego County Water Authority
ReTHINK Water - San Diego County Water Authority
ReTHINK Water - San Diego County Water Authority
ReTHINK Water - San Diego County Water Authority
ReTHINK Water - San Diego County Water Authority
ReTHINK Water - San Diego County Water Authority
ReTHINK Water - San Diego County Water Authority
ReTHINK Water - San Diego County Water Authority
ReTHINK Water - San Diego County Water Authority
ReTHINK Water - San Diego County Water Authority
ReTHINK Water - San Diego County Water Authority
ReTHINK Water - San Diego County Water Authority
ReTHINK Water - San Diego County Water Authority
ReTHINK Water - San Diego County Water Authority
ReTHINK Water - San Diego County Water Authority
ReTHINK Water - San Diego County Water Authority
ReTHINK Water - San Diego County Water Authority
ReTHINK Water - San Diego County Water Authority
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ReTHINK Water - San Diego County Water Authority

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ReTHINK Water - Maureen Stapleton, general manager, San Diego County Water Authority

ReTHINK Water - Maureen Stapleton, general manager, San Diego County Water Authority

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  • 1. think RE water Water Conservation Summit June 2, 2009 Maureen Stapleton General Manager, San Diego County Water Authority
  • 2. Water Authority Background Wholesale water agency created by State Legislature in 1944 24 member agencies 6 cities 14 water utility 3 irrigation districts 1 military base Service area 920,000 acres 97% of county’s population 2
  • 3. Water Authority.. The early years 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. Annual Precipitation San Diego County
  • 5. San Diego County’s Water Sources (2008) LAKE SHASTA San Diego County imports LAKE more than 80% of its OROVILLE water supply State Water Project (Bay-Delta) Colorado River 28% 54% Local Water Supply Projects 18% 5
  • 6. San Diego Region’s Water Supply Portfolio 1991 Local Surface Water 5% Metropolitan Water District 95%
  • 7. Drought Headlines from 1990-91 Community Outcry: ‘No More Water Shortages!’
  • 8. Three Challenges to Our Water Supply 1. Drought Last three years in California 8 of last 10 on the Colorado River 2. Low Storage Major reservoirs have been drawn down to low levels 3. Regulatory Pumping restrictions are sharply limiting imported water from Northern California 8
  • 9. State Water Project: Lake Oroville June 2005 – 98% of capacity 9
  • 10. Lake Oroville November 2008 1.0 MAF - 29% capacity
  • 11. Colorado River Hydrologic Conditions 2007 was 8th year of historic drought 2003: surplus water no longer available CRA half-full 2008 above average 117% of normal snow pack Reservoirs are at ~50% 60 MAF capacity Will take many years to refill
  • 12. Fish Protections Restrict Pumping Delta smelt Central Valley steelhead Longfin smelt Banks Pumping Plant State Water Project Chinook salmon Green sturgeon Additional pumping restrictions expected 12
  • 13. Pumping Flexibility Reduced Window restricted even during wet years JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ns io Re No ic t s tr 13
  • 14. Delta Smelt Water Supply Impacts Reductions in water supplies from the State Water Project due to Delta 43% lost smelt pumping restrictions 44% lost 40% lost 24% lost Drier Wetter 14
  • 15. Impacts to San Diego County Metropolitan Water District (MWD) voted April 14 to allocate supplies 13% reduction from MWD Water Authority voted April 23 to allocate supplies to its 24 member retail agencies Because of diversification, regional M&I shortfall is 8% Cutbacks to agriculture: 13% to 30% Moved from “Drought Watch” to “Drought Alert” April 23 Mandatory water use restrictions 15
  • 16. Diversifying San Diego County’s Water Supply Portfolio 1991 Local Supplies: 5% Recycled Water Seawater 6% Desalination Local Surface MWD: 95% 10% Conservation Water 11% 7% Groundwater Groundwater Local & QSA 6% MWD Supplies 29% 29% Canal Lining MWD Transfer 71% 9% IID Transfer 2008 22% 2020 16
  • 17. How do we use water? Fiscal Year 2008: 691,931 acre-feet 17% - Commercial/Industrial 13% - Public Sector 12% - Agricultural 59% - Residential
  • 18. Reducing Per Capita Consumption es Re ti v gu en la t Inc ory s/ am Ra Education/ gr te o Outreach s Pr
  • 19. Addressing the Region’s Water Challenges – Tools in the Toolbox Water Demand Voluntary and Mandatory Conservation Pricing and Tiered Rate Structures Development and Regulations & Standards Building Landscaping Production, i.e. manufacturing, energy creation Use restrictions
  • 20. Additional Approach: Changing Social Norms Conservation often means deviating from normal activity Promote community support - Changing Perceptions & Expectations Your neighbors are conserving - Peer/Societal pressure if not conserving Momentum from resistance to acceptance to a “way of life”
  • 21. Strategic Partnerships & Pilot Programs SDCWA Member Agencies
  • 22. Other Partners
  • 23. think RE water

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