PRESENTATION TITLE
Karl W. Seckel, P.E. Assistant General Manager Municipal Water District of Orange County April 3, 2018
PRESENTATION TITLE Beyond! Karl W. Seckel, P.E. Assistant General - - PowerPoint PPT Presentation
Orange County Water and PRESENTATION TITLE Beyond! Karl W. Seckel, P.E. Assistant General Manager Municipal Water District of Orange County April 3, 2018 Topics for Presentation Water Basics Water Conservation Climate Change
Karl W. Seckel, P.E. Assistant General Manager Municipal Water District of Orange County April 3, 2018
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Local Supplies Groundwater & Recycling Ocean Desalination (future) Conservation (Water Use Efficiency) Colorado River Aqueduct (1941) State Water Project Entitlement (1972) Transfers & Storage
25% 25% 50%
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1 Acre-Foot = 1 Football Field 1 foot deep (also 326,000 Gallons)
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Metropolitan Water District Of Southern California (MET) (MWD) (Metropolitan) (Imported – Regional) (MWDOC) Municipal Water District of Orange County (Imported – Orange County) Orange County Water District (OCWD) (Groundwater – Orange County) Orange County Sanitation District (OCSD) (Wastewater – North Orange County) South Orange County Wastewater Authority (SOCWA) – South Orange County 8
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MUNICIPAL WATER DISTRICT OF ORANGE COUNTY (MWDOC) We are part of Metropolitan Water District
(MET) - we appoint 4 of 37 directors to the MET Board
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Imported Water Supply Water Supply Development Water Reliability Emergency Response Water Use Efficiency School Program Public Information and Water Education Legislative Advocacy PRIMARY RESPONSIBILITIES
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25.12% 28.45% 23.47% 15.58% 17.67% 18.00% 9.11% 22.56% 22.55% 22.31% 22.90% 18.59%
Orange County Voluntary Savings Goal 10%
Aug-15 Sep-15 Oct-15 Nov-15 Dec-15 Jan-16 Feb-16 Mar-16 Apr-16 May-16 Jun-16 Jul-16
Percent of AF Savings Average Monthly Water Savings for Orange County Compared to CY 2013 Cumulative Savings for O.C. 22.05%
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10 20 30 40 50 60
Cool Season Turf Warm Season Turf High Water Use Plants Medimum Water Use Plants Low Water Use Plants - California Friendly California Native Plants Average Orange County Rainfall
60% Water Savings
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the Earth’s system changes by either being added or released.
and is projected to rise another 0.5 to 8.6°F over the next hundred years.
shifts in climate and weather.
hundreds of thousands of years, or millions of years the climate has gone through many changes.
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many periods of time:
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greenhouse gases
sulfates, industrial output)
etc.
which follow?
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Atmospheric Rivers Hit California
years
50% of California’s water supply in 8 to 10 storms
improving
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Source: USEPA, http://www.epa.gov/climatechange/science/futureslc_fig1.html
Units Intentionally Eliminated
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Apportionments
Mexico
Upper Basin States Lower Basin States
1.71 2.8 .3 1.04 3.86 4.4 .84 1.5 ..05
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Lake Mead Imbalance Upper Basin Compact Release 8.25 MAF Tributary Flows 2.75 MAF Total Inflow 11.0 MAF Lower Basin Water Use
Mexico Delivery
Lake Mead Evap/River Losses
Total Outflow
Imbalance
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8,000 9,000 10,000 11,000 12,000 13,000 14,000 15,000 16,000 17,000 18,000 19,000 20,000 21,000 22,000 23,000 x 1000 acre-feet
Lake Mead Storage 2000 – 2016, Actual and Projected
Surplus Shortage
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200 400 600 800 1,000 1,200 1,090 1,075 1,050 1,045 1,040 1,035 1,030 <1,025 Thousand Acre-feet Lake Mead Elevation (feet) California Reduction Nevada Reduction Arizona Reduction Nevada Shortage Arizona Shortage 53
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8.06 14.87 3.82 14.57 8.41 29.06 8.51 2.19 9.46 9.88 16.82 21.39 8.27 6.36 4.37 8.83 8.15 20.66 3.62
Average Rainfall
5 10 15 20 25 30 Rainfall (Inches)
6.77 6.69 2.80 6.21 6.42 12.79 9.53 7.61 11.90 10.08 8.77 16.17 4.15 5.80 10.61 9.85 9.62 11.90 6.36
10.71 MAF 2 4 6 8 10 12 14 16 18
2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018
Runoff (MAF)
Lake Powell Unregulated Historical Inflow
Runoff MAF Average
18.9 9.81 14.6 19.31 16.04 18.55 32.09 10.28 10.28 13.02 15.94 25.13 11.8 12.2 7.5 9.3 17.4 38 9.5
18.3 MAF 5 10 15 20 25 30 35 40
2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018
Runoff (MAF)
4 River Index Historical Runoff
Runoff MAF Average
1.1 1.4 1.5 1.4 1.8 2.2 1.8 1.1 1.0 1.7 2.4 2.7 2.3 1.2 0.9 1.3 2.5 2.2
0.0 0.5 1.0 1.5 2.0 2.5 3.0
2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018
Million Acre Feet
MWD Historical Demand VS Supplies
Total MWD EOY Storage Total MWD Supplies Total MWD Sales
Preliminary Estimate
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Recycled Non-OCWD GW
Surface Water
MET Purchases MET or Future Projects Population Growth 1990 to 2015 2015 to 2040 750,000 317,000 31% 10%
GWRS Groundwater
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2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0 13.0
1860 1890 1920 1950 1980 2010
Population (Millions)
LA-City LA-County
LA AQUEDUCT 1908-1913 $24.5 Million
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2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0 13.0
1860 1890 1920 1950 1980 2010
Population (Millions)
LA-City LA-County
COLORADO RIVER AQUEDUCT
1928-1941 $220 Million
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2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0 13.0
1860 1890 1920 1950 1980 2010
Population (Millions)
LA-City LA-County
STATE WATER PROJECT 1960-1972 $1.75 Billion
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2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0 13.0
1860 1890 1920 1950 1980 2010
Population (Millions)
LA-City LA-County
DIAMOND VALLEY LAKE 1995-2003 $1.9 Billion
2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0 13.0
1860 1890 1920 1950 1980 2010
Population (Millions)
LA-City LA-County
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in Southern California
Storage
Colorado River Water
1991 = Major Drought DVL Completed = 800,000 AF
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Local Storage Diamond Valley Lake Mathews Lake Skinner Conjunctive Use Programs DWR State Project Reservoirs Central Valley/SWP Storage San Luis Carryover Semitropic Arvin-Edison Kern Delta Mojave CRA Storage DWCV Advance Delivery Lake Mead ICS
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Local Supplies Groundwater & Recycling Ocean Desalination (future) Conservation (Water Use Efficiency) Colorado River Aqueduct (1941) State Water Project Entitlement (1972) Transfers & Storage
25% 25% 50% Many Related Names
Plan
Conservation Plan
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Supports long-term health of native fish and wildlife
~ 30,000 acres in 5 years Includes broader public funding
habitat
facilities and mitigation
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Tunnels SWP Pumps CVP Pumps Additional Intakes
San Francisco Bay Habitat Restoration
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Existing Regulations (No Action) BDCP Regulations without Tunnels Earthquake Scenario NEW BDCP/CA Water Fix SWP-CVP Exports (million AF)
1.5 4.7- 5.3 1.2 MAF Less 3.5 4.7
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1 2 3 Capital Cost (billions) $4.3 $5.3 $10.8 NEW Supply (thousands of AF) 337 410 840 Cost of NEW Supply (per AF treated in So. Calif.) $840 $840 $840 Household Cost per month $1.90 $2.40 $4.80
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15 MGD 0-4 MGD 15 MGD 0-11 MGD 18-58 MGD 62-77 MGD
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Demands - including population & job growth to 2040 93 historical hydrologies each for the State Water Project, Colorado River & Local Influence of climate change Local Projects all over Southern California Future Projects by MET Future Projects within OC With and Without the California WaterFix Competition for water Regulatory Actions impacting supplies Water Conservation/Water Use Efficiency Consumer Expectations Earthquakes Adaptive management!
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California WaterFix MET Carson Recycled Water Transfers & Exchanges Direct Potable Reuse Water Use Efficiency
OCWD basin storage/MET purchases Water transfers and banking Additional Recycling Direct Potable Reuse
Supply of Emergency Water following Earthquakes
Which of these are part of our NEXT investments and WHEN are they needed? Over versus Under Investment
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Supply Reliability System Reliability (for emergencies)
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San Andreas Fault San Jacinto Fault Santa Susana Fault Whittier Fault Sierra Madre – Cucamonga Fault Elsinore Fault
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West Branch East Branch SWP
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slantwell intake facility at Doheny State Beach
and 15 mgd being considered.
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Margarita Water District
involves rubber dams to capture low flows
will add recycled recharge at the dams to increase groundwater in storage
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the State Water Project & Colorado River Supplies
efficiency
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but overall melded costs to agencies remain competitive
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Growth Climate/hydrologic conditions Demands synthesized to drought decline plus “bounce back”
State Water Project supplies with and without the California WaterFix Colorado River Supplies & use of MET storage accounts
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300,000 AF 162,000 AF 100,000 AF 168,000 AF Carson IPR Local Projects Remaining Shortages Reliability Supplies
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400,000 600,000 800,000 1,000,000 1,200,000 1,400,000 1,600,000 1,800,000 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% Existing Port A Port B Port C Port F Port E Port D Portfolios D, E & F are Fully Reliable & are plotted on the bottom line Probability of Shortage Shortage (AFY) Direction of MORE NEW Projects Portfolio B Selected for OC Modeling Direction of Climate Impacts 97
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California Water Fix & other MET investments Local Investments, including Direct Potable Reuse Demand management – use less water for landscapes All of the above (diversification)
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address
18700 Ward Street, Fountain Valley CA 92708
website
www.mwdoc.com
main office
(714) 963-3058
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Assistant Manager/District Engineer kseckel@mwdoc.com 714-593-5024