July 28, 2010 So. Cal. Water Dialogue 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
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July 28, 2010 So. Cal. Water Dialogue Southern California Water Dialogue July 28, 2010 The Colorado River: Helping Metropolitan Navigate Through a Water.
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July 28, 2010So. Cal. Water Dialogue
Southern California Water Dialogue
July 28, 2010
The Colorado River: Helping MetropolitanNavigate Through a Water Supply Crisis
Bill HasencampManager, Colorado River Resources
Metropolitan Water District of Southern California
METROPOLITAN WATER METROPOLITAN WATER DISTRICT SERVICE AREADISTRICT SERVICE AREA
LOCALLOCAL2.0 MAF2.0 MAF
July 28, 2010So. Cal. Water Dialogue
Overview of PresentationOverview of Presentation
MWD’s Evolving View of Colorado RiverMWD’s Evolving View of Colorado River• 1940s – 2002: The Boom Years1940s – 2002: The Boom Years• 2003 – 2007: The Hard Landing 2003 – 2007: The Hard Landing • 2008 – 2010: Responding to Crisis2008 – 2010: Responding to Crisis
Current Challenges Facing the RiverCurrent Challenges Facing the River
July 28, 2010So. Cal. Water Dialogue
1940s – 2002: “The Boom Years”1940s – 2002: “The Boom Years”
July 28, 2010So. Cal. Water Dialogue
Colorado River Apportionments Colorado River Apportionments (Million acre-feet)(Million acre-feet)
Apportionments
Deliveries in 1990s
Mexico
Upper Basin States
Lower Basin States
1.71
2.8
.3
1.04
3.86
4.4
.84
1.5
.05
.39
.80
2.4
.2
5.1
.49
1.8
2.5
.02
July 28, 2010So. Cal. Water Dialogue
July 28, 2010So. Cal. Water Dialogue
0
1
2
3
4
5
Mil
lio
n A
cre-
feet
MWD
Cal Ag
0
1
2
3
4
5
Mil
lio
n A
cre-
feet
MWD
Cal Ag
California’s 7-Party AgreementCalifornia’s 7-Party AgreementFor Colorado River WaterFor Colorado River Water
4.4 CA Apport.CA Apport.CA Apport.CA Apport.
July 28, 2010So. Cal. Water Dialogue
California’s Plan to ReduceCalifornia’s Plan to ReduceColorado River Use Colorado River Use
Reduce Agricultural DemandReduce Agricultural Demand– Fund Water Conservation ProgramsFund Water Conservation Programs– Land Fallowing ProgramsLand Fallowing Programs
Keep Colorado River Aqueduct FullKeep Colorado River Aqueduct Full– Full Surplus when Lake Mead > 1145’ (62% of cap.)Full Surplus when Lake Mead > 1145’ (62% of cap.)
Plan Allows “Boom Years” to ContinuePlan Allows “Boom Years” to Continue
July 28, 2010So. Cal. Water Dialogue
Colorado River Aqueduct Supplies
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
2000 2005 2010 2015 2020 2025 2030
Year
maf
Basic
IID-MWD Conservation
IID-SDCWA Transfer
All-American Canal
SurplusStorage and Conjunctive Use
Surplus When Available
Coachella Canal LiningPVID Program
LCWSP
Other Programs
July 28, 2010So. Cal. Water Dialogue
2003 – 2007: “The Hard Landing”2003 – 2007: “The Hard Landing”
July 28, 2010So. Cal. Water Dialogue
July 28, 2010So. Cal. Water Dialogue
Overnight Water Supply CrashOvernight Water Supply Crash
Cutback Began Jan. 1, 2003Cutback Began Jan. 1, 2003
2002 Available Supply:2002 Available Supply:– 1,250,000 Acre-feet1,250,000 Acre-feet
QSA addressed QSA addressed mitigating transfer mitigating transfer impactsimpacts
July 28, 2010So. Cal. Water Dialogue
Binational Agreement on ShortagesBinational Agreement on Shortages
2007 Guidelines for shortages only applied to 2007 Guidelines for shortages only applied to United StatesUnited States
Shortages to Mexico to be determined laterShortages to Mexico to be determined later Reclamation and States developing Reclamation and States developing
States have a track record of working States have a track record of working successfully together to confront issuessuccessfully together to confront issues
July 28, 2010So. Cal. Water Dialogue
Bill HasencampBill Hasencamp213-217- 6520213-217- 6520