SOUTHERN CALIFORNIA S WATER FUTURE IDENTIFYING DRIVERS FOR CHANGE: - - PowerPoint PPT Presentation

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SOUTHERN CALIFORNIA S WATER FUTURE IDENTIFYING DRIVERS FOR CHANGE: - - PowerPoint PPT Presentation

Feb 02, 2024 360 likes •802 views

2020 Integrated Resources Plan SOUTHERN CALIFORNIA S WATER FUTURE IDENTIFYING DRIVERS FOR CHANGE: SCENARIO PLANNING Stakeholder Meeting May 20 and May 22, 2020 HOUSEKEEPING Todays Workshop will last 90 minutes, including time for

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Stakeholder Meeting

May 20 and May 22, 2020

2020 Integrated Resources Plan

SOUTHERN CALIFORNIA’S WATER FUTURE

IDENTIFYING DRIVERS FOR CHANGE: SCENARIO PLANNING

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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
  • n your phone.
  • Please identify yourself and your organization prior to asking a question
  • r 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.

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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

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WHY THINK ABOUT OUR WATER FUTURE?

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BRAINSTORM IDEAS

BRAINSTORM IDEAS

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WAYS YOU CAN PARTICIPATE

Listen Raise Hand E-mail Take a Survey

MANY WAYS TO PARTICIPATE

Submit ?

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BACKGROUND

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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

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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

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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 AREA 10

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#Welcome To Us

A NEED FOR IMPORTED WATER

Los Angeles Aqueduct

MWD SERVICE AREA 11

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#Welcome To Us

A NEED FOR IMPORTED WATER

Colorado River Aqueduct

MWD SERVICE AREA

Los Angeles Aqueduct

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FIRST METROPOLITAN BOARD MEETING

December 29, 1928

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#Welcome To Us

Colorado River Aqueduct

POPULATION AND WATER SUPPLIES INCREASED

State Water Project

MWD SERVICE AREA

Los Angeles Aqueduct

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STATE WATER PROJECT

Federal/State Commitment to State Water Project

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1987-1992 DROUGHT WAS A WAKEUP CALL

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#Welcome To Us

Colorado River Aqueduct

IMPORTING MORE WATER NOT SUSTAINABLE FOR LONG-TERM GROWTH

State Water Project

MWD SERVICE AREA

Los Angeles Aqueduct

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QUESTIONS ON BACKGROUND?

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WHY WE PLAN

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Imp Imported Water Transfers/ Ex Exchanges St Storage

Gr Grou

  • und

Water r Rec ecovery Co Conserv rvati tion

Rec ecycling

  • Blueprint for So. CA water reliability
  • Long-term strategy adapting to changing

conditions

  • Diversified resource portfolio

INTEGRATED WATER RESOURCES PLAN

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GEORGE SMITH

Digital artist.

VICTORIA SMITH

Digital artist.

RECYCLING

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LOCAL RESOURCES

GROUNDWATER RECHARGE STORMWATER CAPTURE

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WATER USE EFFICIENCY PROGRAM

SURVEYS REBATES INCENTIVES EDUCATION OUTREACH

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POTABLE WATER DEMAND STABLE DESPITE POPULATION GROWTH

2 4 6 8 10 12 14 16 18 20

1985 1990 1995 2000 2005 2010 2015

Million Acre-Feet/Million People

Calendar Year

Metropolitan Service Area

Potable Consumptive Water Demand

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REACHING HISTORIC LOWS IN POTABLE PER CAPITA WATER USE

50 100 150 200

1985 1990 1995 2000 2005 2010 2015 2020 2025 2030 2035 2040

Gallons Per Capita Per Day 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

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0.0 1.0 2.0 3.0 4.0 5.0 6.0

1980 1982 1984 1986 1988 1990 1992 1994 1996 1998 2000 2002 2004 2006 2008 2010 2012 2014 2016 2018

Million Acre-Feet

Available Storage Capacity 2019

SIGNIFICANT INVESTMENTS IN STORAGE

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0.0 1.0 2.0 3.0 4.0 5.0 6.0

1980 1982 1984 1986 1988 1990 1992 1994 1996 1998 2000 2002 2004 2006 2008 2010 2012 2014 2016 2018

Million Acre-Feet Dry-Year Storage Emergency Storage

Available Storage Capacity 2019

RECORD STORAGE LEVELS

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METROPOLITAN STORES WATER IN AND OUTSIDE OF THE REGION

Diamond Valley Lake

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HISTORY OF THE IRP

1996 2004 2010 2015 2020

1987 – 1992 Drought Colorado River Cutbacks SWP Restrictions Recession & Drought

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QUESTIONS ON PRIOR PLANNING?

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WHAT IS SOUTHERN CALIFORNIA’S WATER FUTURE?

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THE FUTURE IS NOT PREDICTABLE

?

FUTURE TODAY

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LET’S LOOK AT A RANGE OF PLAUSIBLE FUTURES

FUTURE TODAY

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Economy and Demographics

Technological Advances Political and Regulatory Climate Change

SOME CATEGORIES OF UNCERTAINTY

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CLIMATE CHANGE DRIVERS

  • Rising sea level
  • Hydrologic

variations and extremes

  • Stresses on river

basin ecosystems

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POLITICAL AND REGULATORY DRIVERS

  • Emerging

regulatory challenges

  • Legislative

initiatives

  • Public trust

initiatives

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TECHNOLOGICAL DRIVERS

  • Increasing availability of

decentralized treatment technologies

  • Adoption of innovative

stormwater capture measures

  • Acceptance of direct potable

reuse

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ECONOMIC AND DEMOGRAPHIC DRIVERS

  • Economic activity
  • Population growth
  • Changing housing

densities and land uses

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QUESTIONS ON DRIVERS? (WHAT THEY ARE)

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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

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Brainstorming Activity DRIVERS OF CHANGE

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WHAT’S NEXT

  • Survey on drivers
  • Compile scenarios
  • Begin technical

analysis and policy discussion

  • Public outreach on

draft plan

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MWDirp@mwdh2o.com MWDwatertomorrow.com

2020 Integrated Resources Plan