Southern California Water Dialogue July 28, 2010 The Colorado River: Helping Metropolitan

1. Southern California Water Dialogue July 28, 2010 The Colorado River: Helping Metropolitan Navigate Through a Water Supply Crisis Bill Hasencamp Manager, Colorado River Resources Metropolitan Water District of Southern California

2. Urban Southern California’sWater Supply (w/capacity) LAKE SHASTA LOS ANGELES AQUEDUCTS (0.5 MAF) LAKE OROVILLE Bay-Delta COLORADO RIVER AQUEDUCT (1.25 MAF) STATE WATER PROJECT(2.0 MAF) LOCAL 2.0 MAF METROPOLITAN WATER DISTRICT SERVICE AREA

3. Overview of Presentation • MWD’s Evolving View of Colorado River • 1940s – 2002: The Boom Years • 2003 – 2007: The Hard Landing • 2008 – 2010: Responding to Crisis • Current Challenges Facing the River

4. 1940s – 2002: “The Boom Years”

5. Upper Basin States Lower Basin States 1.04 .49 3.86 1.71 1.8 .3 .2 .80 .05 .02 5.1 2.8 4.4 2.4 .84 Apportionments .39 Deliveries in 1990s 2.5 1.5 Colorado River Apportionments (Million acre-feet) Mexico

7. 4.4 CA Apport. California’s 7-Party AgreementFor Colorado River Water

8. California’s Plan to ReduceColorado River Use • Reduce Agricultural Demand • Fund Water Conservation Programs • Land Fallowing Programs • Keep Colorado River Aqueduct Full • Full Surplus when Lake Mead > 1145’ (62% of cap.) • Plan Allows “Boom Years” to Continue

9. Storage and Conjunctive Use Surplus Surplus When Available All-American Canal IID-SDCWA Transfer IID-MWD Conservation Coachella Canal Lining PVID Program Colorado River Aqueduct Supplies maf 1.4 1.2 1.0 0.8 0.6 0.4 LCWSP 0.2 Other Programs Basic 0.0 2000 2005 2010 2015 2020 2025 2030 Year

10. 2003 – 2007: “The Hard Landing”

12. Overnight Water Supply Crash • Cutback Began Jan. 1, 2003 • 2002 Available Supply: • 1,250,000 Acre-feet • Initial Approved Supply 2003: • 513,000 Acre-feet

13. Diverse Supplies Help MWD Manage CRA Cutback CRA SWP Storage and Transfers

14. 2008 – 2010: “The Crisis”

15. Delta Fisheries A Downturn for Delta Smelt & Salmon Delta Smelt

16. Recent Regulatory RestrictionsCausing Supply Cutbacks to State/Fed Contractors 2.5 million AF(40%)

17. Responding to Crisis: New Partnerships Southern Nevada Water Agency Arizona Groundwater Storage Program DesertWater Agency Coachella ValleyWater District Palo Verde I.D. IID Conservation Yuma Desalting Plant AAC Lining

19. 2010 Colorado River Aqueduct Supplies All American & Coachella Canal Lining IID-SDCWA Transfer IID-MWD Conservation MWD Basic Apportionment Arizona Stored Water Drop 2 Reservoir/YDP Nevada Exchange PVID Fallowing Program

20. Challenges Facing Colorado River

24. QSA Lawsuit • CA judge invalidated QSA • Transfers will continue through appeals process • Federal officials to honor federal agreements

25. Salton Sea at Center of QSA Lawsuit

26. Salton Sea Restoration/Mitigation • Salton Sea becoming too salty for fish • DWR’s preferred restoration alternative • $ 9 Billon • $200 million/yr • QSA addressed mitigating transfer impacts

27. Binational Agreement on Shortages • 2007 Guidelines for shortages only applied to United States • Shortages to Mexico to be determined later • Reclamation and States developing comprehensive binational proposal

28. Crisis in Mexico: April 5, 2010

38. Mexico and U.S. Discussing Short-term Agreement • May allow Mexico to store water in U.S. Reservoirs • May allow Mexico to sell water to U.S. to fund infrastructure repair • May allow partnerships for new water management programs • Attempting to reach agreement in next 90 days

39. Summary • CA has adapted to living with less water in a way to meet the state’s needs • Several challenges continue: • Drought • Climate Change • Binational Issues • States have a track record of working successfully together to confront issues

40. Bill Hasencamp213-217- 6520whasencamp@mwdh2o.com