southern california s water future...• brainstorm –identify drivers of change ... digital...
TRANSCRIPT
Stakeholder Meeting
May 20 and May 22, 2020
2020 Integrated Resources Plan
SOUTHERN CALIFORNIA’SWATER FUTURE
IDENTIFYING DRIVERS FOR CHANGE:SCENARIO PLANNING
HOUSEKEEPING
• Today’s Workshop will last 90 minutes, including time for questions and
input. Though not recorded, we will capture your written comments.
• To provide input, please either “raise your hand” or type in the Q&A tab.
• Your microphone will remain muted until it is your turn to speak. We will
get to as many questions and comments as possible.
• If you are joining by phone only, you can raise your hand by pressing *9
on your phone.
• Please identify yourself and your organization prior to asking a question
or making a comment.
• Remember, you may also type in questions or comments into the Q&A.
• Technical issues? Use the Q&A feature to communicate with us.
2
WHAT ARE WE DOING TODAY?
• Provide Background
– Brief Q&A
• Explain Why We Plan
– Brief Q&A
• Brainstorm – Identify Drivers of Change
– Tell us about your important drivers
3
WHY THINK
ABOUT OUR
WATER
FUTURE?
4
BRAINSTORM IDEAS
BRAINSTORM
IDEAS
5
WAYS YOU CAN PARTICIPATE
Listen Raise Hand E-mailTake a
Survey
MANY WAYS TO PARTICIPATE
Submit ?6
BACKGROUND
7
The Mission of the
Metropolitan Water District of
Southern California is to
provide its service area with
adequate and reliable
supplies of high quality water
to meet present and future
water needs in an
environmentally and
economically responsible
way.
MISSION
8
The Mission of the
Metropolitan Water District of
Southern California is to
provide its service area with
adequate and reliable
supplies of high quality water
to meet present and future
water needs in an
environmentally and
economically responsible
way.
MISSION
9
26 Members Agencies
Imports water from N. Sierra and Colorado River
5200 Square Miles/Six Counties
Service area about 19 Million people
About 4MAF Annual Demand(roughly half provided by Metropolitan)
METROPOLITAN OVERVIEW
Water for one of every two Californians
MWD SERVICE
AREA10
#Welcome To Us
A NEED FOR IMPORTED WATER
Los Angeles
Aqueduct
MWD SERVICE
AREA11
#Welcome To Us
A NEED FOR IMPORTED WATER
Colorado River
AqueductMWD SERVICE
AREA
Los Angeles
Aqueduct
12
FIRST METROPOLITAN BOARD MEETING December 29, 1928
13
#Welcome To Us
Colorado River
Aqueduct
POPULATION AND WATER
SUPPLIES INCREASED
State Water
ProjectMWD
SERVICE AREA
Los Angeles
Aqueduct
14
STATE WATER PROJECT
Federal/State Commitment
to State Water Project
15
1987-1992 DROUGHT WAS A WAKEUP CALL
16
#Welcome To Us
Colorado River
Aqueduct
IMPORTING MORE WATER NOT
SUSTAINABLE FOR LONG-TERM GROWTH
State Water
ProjectMWD
SERVICE AREA
Los Angeles
Aqueduct
17
QUESTIONS
ON
BACKGROUND?
18
WHY WE PLAN
19
Imported Water
Transfers/ Exchanges
StorageGround Water
RecoveryConservation Recycling
• Blueprint for So. CA water reliability
• Long-term strategy adapting to changing
conditions
• Diversified resource portfolio
INTEGRATED WATER RESOURCES PLAN
20
GEORGE SMITH
Digital artist.
VICTORIA SMITH
Digital artist.
RECYCLING
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LOCAL RESOURCES
GROUNDWATER
RECHARGESTORMWATER
CAPTURE
21
WATER USE EFFICIENCY PROGRAM
SURVEYS
REBATESINCENTIVES
EDUCATION
OUTREACH
22
POTABLE WATER DEMAND STABLE DESPITE POPULATION GROWTH
02468
101214161820
1985 1990 1995 2000 2005 2010 2015
Mil
lio
n A
cre
-Fe
et/
Mil
lio
n P
eo
ple
Calendar Year
Metropolitan Service Area
Potable Consumptive Water Demand
23
REACHING HISTORIC LOWS IN POTABLE PER CAPITA WATER USE
0
50
100
150
200
1985 1990 1995 2000 2005 2010 2015 2020 2025 2030 2035 2040
Gal
lon
s P
er
Cap
ita
Pe
r D
ay
Potable Per Capita Water Use*Metropolitan's Service Area
History IRP Projection
*2017 GPCD based on best available data as of July 2018 and is subject to change 24
0.0
1.0
2.0
3.0
4.0
5.0
6.01
98
0
19
82
19
84
19
86
19
88
19
90
19
92
19
94
19
96
19
98
20
00
20
02
20
04
20
06
20
08
20
10
20
12
20
14
20
16
20
18
Mill
ion
Acr
e-F
ee
t Available Storage Capacity
20
19
SIGNIFICANT INVESTMENTS IN STORAGE
25
0.0
1.0
2.0
3.0
4.0
5.0
6.01
98
0
19
82
19
84
19
86
19
88
19
90
19
92
19
94
19
96
19
98
20
00
20
02
20
04
20
06
20
08
20
10
20
12
20
14
20
16
20
18
Mill
ion
Acr
e-F
ee
t
Dry-Year Storage
Emergency Storage
Available Storage Capacity
20
19
RECORD STORAGE LEVELS
26
METROPOLITAN STORES WATER IN AND OUTSIDE OF THE REGION
Diamond Valley Lake
27
HISTORY OF THE IRP
1996 2004 2010 2015 2020
1987 – 1992
Drought
Colorado River
Cutbacks
SWP
Restrictions
Recession &
Drought
28
QUESTIONS
ON PRIOR
PLANNING?
29
WHAT IS
SOUTHERN
CALIFORNIA’S
WATER
FUTURE?
30
THE FUTURE IS NOT
PREDICTABLE
?
FUTURETODAY
31
LET’S LOOK AT A RANGE
OF PLAUSIBLE FUTURES
FUTURETODAY
32
Economy and
Demographics
Technological
Advances
Political and
Regulatory
Climate Change
SOME CATEGORIES OF UNCERTAINTY
33
CLIMATE CHANGE DRIVERS
• Rising sea level
• Hydrologic
variations and
extremes
• Stresses on river
basin ecosystems
Slide 34 34
POLITICAL AND REGULATORY DRIVERS
• Emerging
regulatory
challenges
• Legislative
initiatives
• Public trust
initiatives
35
TECHNOLOGICAL DRIVERS
• Increasing availability of
decentralized treatment
technologies
• Adoption of innovative
stormwater capture
measures
• Acceptance of direct potable
reuse
36
ECONOMIC AND DEMOGRAPHIC DRIVERS
• Economic activity
• Population growth
• Changing housing
densities and land
uses
37
QUESTIONS ON
DRIVERS?
(WHAT THEY ARE)
38
We want to know your thoughts about the future and what unknowns you see could
challenge or benefit water supply reliability in the region.
DRIVERS OF CHANGE
39
Brainstorming Activity
DRIVERS OF CHANGE
40
WHAT’S NEXT
• Survey on drivers
• Compile scenarios
• Begin technical
analysis and policy
discussion
• Public outreach on
draft plan
41
