How San Diego Prepared for this Drought… …and the Next One, and the Next One

City of San Diego Retired Employees’ Association

September 8, 2015

Frank Belock – Deputy General Manager

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San Diego County Water Authority

Wholesale water agency created by State Legislature in 1944

‣ 24 member agencies ‣ 36-member board of

directors ‣ Serves 3.2 million people and

region’s $218 billion economy

Imports ~80% of water used in San Diego County ‣ Builds, owns, operates and

maintains regional water infrastructure

‣ Largest member agency of Metropolitan Water District of Southern California

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19% State Water Project

(MWD supplies)

17% Local Supplies

Colorado River Aqueduct

64% Colorado River

(Long-term Transfers and

MWD supplies)

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Average Annual Precipitation in the Southwest

San Diego: 10.34”

Los Angeles: 14.93”

San Francisco: 20.78”

Sacramento: 21.17”

-2.0

0.0

2.0

4.0

6.0

8.0

10.0

Departure from Normal Monthly Temperature at Lindbergh Field

19 of Last 20 Months Hotter than Normal

Temperature Matters

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Hotter

Cooler

235

216

190

152 143

167

100

150

200

250

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90

20

00

20

05

20

10

20

15

20

20

Tota

l Pota

ble

GPC

D

SBX7-7 2020 Target

The reduction in potable per capita water use since 1990 offsets the need for over 300,000 acre-feet per year within the region.

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Sacramento River Runoff is the sum of Sacramento River flow at Bend Bridge, Feather River inflow to Lake Oroville, Yuba River flow at Smartville, and American River inflow to Folsom

Source: DWR

Droughts are Common in California Sacramento River Unimpaired Runoff through 2015

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14

7

1991

550 TAF 95%

28 TAF 5%

Total = 578 TAF

TAF=Thousand Acre-Feet

Imperial Irrigation District Transfer

Metropolitan Water District

All American & Coachella Canal Lining

Local Surface Water

Groundwater

Recycled Water

Seawater Desalination Potable Reuse (Includes conceptual and planned projects)

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2015

Total = 534 TAF

304 TAF 57%

5 TAF 1%

18 TAF 3%

27 TAF 5%

80 TAF 15% 100 TAF

19%

Estimated 2020

Total = 587 TAF

150 TAF 26% 48 TAF

8%

27 TAF 5%

44 TAF 7%

80 TAF 14%

190 TAF 32%

48 TAF 8%

Projected 2035

Total = 680 TAF

120 TAF 18%

50 TAF 7%

30 TAF 4%

50 TAF 7%

80 TAF 12%

200 TAF 30%

50 TAF 7%

100 TAF 15%

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Historic Investments in Infrastructure

Water Authority secures new, more reliable Colorado River supplies Imperial Irrigation District transfer

200,000 AF/year for 45 to 75 years

Canal-lining projects 80,000 AF/year for 110 years

Key to diversification strategy Provides 180,000 acre-feet in 2015

By 2021, 34% of region’s supply Lining the Coachella Canal

IID and Canal Lining Deliveries 2003-2021

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Supply allocation from Metropolitan Water District • MWD ordered Level 3, 15% cutback

• July 1, 2015 – June 30, 2016 allocation period

• Agencies pay surcharge if they exceed

Demand reductions required statewide

• Governor's April 1 Executive Order: 25% water savings mandate

• State Water Board emergency conservation regulations

Establishes individual reduction targets for each member agency

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28%

20%

36%

20% 20%

20%

32%

20% 20%

32%

36%

28%

32%

16%

28%

36%

12%

24%

36%

20%

0%

10%

20%

30%

40%

50%C

arl

sbad

Escondid

o

Fallbro

ok P

UD

Helix W

D

Lakesid

e W

D

Oceansid

e

Olivenhain

MW

D

Ota

y W

D

Padre

Dam

MW

D

Pow

ay

Rain

bow

MW

D

Ram

ona M

WD

Rin

con d

el D

iablo

MW

D

San D

iego

San D

ieguit

o W

D

Santa

Fe ID

Sw

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ate

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uth

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Vallecit

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Valley C

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State Water Board Emergency Regulations Member Agency Conservation Standards*

* Based on R-GPCD data current as of 6/11/15

~20% Region

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0

100

200

300

400

500

600

Sup

ply

(T

AF)

~1% Supply Shortfall

Estimated FY 2016 Potable M&I Demand ~ 523 TAF *

Local Supplies 25 TAF

Long-Term Colorado River Transfers 180 TAF

Water Authority CDP 39 TAF

MWD Initial Allocation

M&I 274 TAF

• Based on actual FY 2014, escalated at 1/2% per year. • MWD supply allocation in effect 7/1/15 through June 30, 2016.

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Water conserved by residents and businesses is being stored in the newly expanded San Vicente Reservoir ◦ 42,000 AF of 100,000 AF

carryover supplies stored to date

Potential to store 100,000 AF by June 30, 2016

Reservoir already holds 36,000 AF of 52,000 AF emergency storage target

San Vicente Dam Raise Project 337’ high, 1,420’ long at top, 20’ wide at crest, 251 feet wide at the base. • Tallest Dam-Raise in U.S. History • Tallest of its type in the World • Approved: 1998 • Carryover Storage component added in 2003 • Complete: 2014 • Cost: $400 million • Benefit: 152,000 AF of new storage:

• 100,000 AF carryover • 52,000 AF emergency

Top of old Dam

Old Tower

New Tower

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50 million

gallon per day

seawater

desalination

project

Largest, most

advanced

seawater

desalination

facility in the

Western

Hemisphere

Utilizing

existing in-take

facility

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Outfall

Mouth of Lagoon

Carlsbad Seawater Desalination Project

• $1 billion investment

• 56,000 acre-feet/year of drought-proof supplies

• ‘Take or Pay’ agreement for 48,000 acre-feet/year

• 95+% Complete

• Expected on-line in Fall 2015

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Poseidon ◦ Permit, Design, and Build the Desal Plant

◦ Permit, Design, and Build the Conveyance Pipeline (design-build agreement)

◦ Own, operate, and maintain the Desal Plant

◦ Supply Product Water that meets water quality requirements

Water Authority ◦ Timely Construction of Required Aqueduct Improvements

◦ Own, operate, and maintain the conveyance facilities

◦ “Take or Pay” for Product Water, if it meets specifications (minimum commitment of 48,000 AF/Year)

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Pacific

Ocean

Encina

Power

Station

Desal

WTP

Carlsbad

San Marcos

TOVWTP

Pip

elin

e 4

Pip

elin

e 3

P3 relining

5-miles

New 54-inch steel pipe

10-miles

Pipeline

Interconnection

TOVWTP

Improvements

Project Components

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# of instruments: 1,300 # of membranes: 16,000

# of motors: 146 # of vessels: 2,016

# of pumps: 121 # of energy recovery units: 144

# of valves: 3,200 # of flocculation chambers: 4

# of actuators: 652 # of filter basins: 18

Miles of onsite pipe: 15 Miles of new conveyance pipe: 10

Miles of conduit: 50 Miles of relined aqueduct pipe: 5

# of Micronic filters: 16 # of labor hours: 1,126,000

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All working together to produce 50 Million Gallons a Day

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San Diego’s Potable Reuse Plan

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Pure Water San Diego

Initial phases:

15 mgd by 2023

30 mgd by 2027

Future phase:

83 mgd by 2035

San Vicente Reservoir

Otay Reservoir

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Adds 72 million gallons of recycled water per day to San Diego County’s water supply portfolio at full build-out

Reduces impact of inevitable water supply shortages on San Diego County’s $191 billion economy

Creates more than 7,000 jobs, according to Council of Economic Advisers estimates

Serves as green infrastructure by reducing wastewater flows to the Pacific Ocean, offsetting water imports from the Colorado River and the California State Water Project

Crosses jurisdictional boundaries of 10 public agencies and Marine Corps Base Camp Pendleton, demonstrating efficiency in government

Constructs 90 miles of recycled water pipe, improvements at 9 treatment plants, and 7 potable reuse sites to serve a cumulative demand of more than 30,000 acre-feet per year by 2035

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Identified Groundwater Basins with Potable Reuse Opportunities ◦ San Elijo Valley Basin

◦ San Dieguito Basin

◦ Mission Basin

◦ Escondido Valley Basin

◦ San Marcos Basin

Suitable Surface Reservoirs Also Identified For Additional Study ◦ Lake Dixon

◦ San Dieguito Reservoir

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On-going demonstration and testing through summer 2016

Demonstration Project Goals:

◦ Gain regulatory approval for full-scale project

◦ Gain operations experience with advanced water treatment

Proposed full-scale project would produce 2,000-3,000 acre-feet per year of potable water

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Reclaimed water

pipelines

Free Chlorine

Membrane Filtration

Reverse Osmosis

Ultraviolet Light/Advanced

Oxidation Aquifer

WRF Effluent

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Water Authority Board voted unanimously to file three lawsuits:

◦ June 2010 challenging MWD’s 2011 and 2012 rates

◦ June 2012 challenging MWD’s 2013 and 2014 rates

◦ May 2014 challenging MWD’s 2015 and 2016 rates

2010 and 2012 cases, challenging 2011-2014 rates, tried together in San Francisco Superior Court in a two-phase trial

2014 case has been stayed by the parties pending final outcome of 2010 and 2012 cases

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Trial held December 17-23, 2013 April 24, 2014: Judge Curtis E.A.

Karnow ruled MWD’s 2011-2014 rates violate: ◦ Proposition 26 (2013 and 2014 only) California Constitution Article XIIIC

◦ California’s Wheeling Statutes Water transportation law

◦ Government Code Section 54999.7(a) Limiting rates to cost-of-service

◦ Common Law rules that apply to ratemaking

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Trial March 30, April 1-2, 27-29, 2015

July 15, 2015 tentative decision:

◦ Found that MWD breached its 2003 contract with the Water Authority by charging illegal rates

◦ Rejected MWD’s affirmative defenses of waiver, consent, estoppel

Hon. Curtis E.A. Karnow

◦ Awarded $188.3 million in damages, plus interest, to the Water Authority (years 2011-2014)

Exactly the damages amount sought by Water Authority

Interest will be in the tens of millions of dollars

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Water Authority entitled to recover its attorney’s fees

Entry of final judgment, expected in October, starts the clock on the appellate process ◦ Court of Appeal ruling – 2017 ◦ Supreme Court ruling (if taken) –

2018

Lawsuit challenging 2015 and 2016 rates stayed until appellate process is completed

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* 2015 dollars

San Diego County: 1990 vs. 2015

Potable water use (thousand acre-feet)

Cost of water per acre-foot (full service treated water rate)

Population (millions) Gross Domestic Product (billions)

Jobs (millions)

Potable gallons per capita daily use

2015 numbers estimated as of 8/7/2015

641

507

2.4

3.2

235

143

.97

1.3

$114*

$218

$505*

$1365

1990 2015

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TV

Online & Outdoor

Radio/ Pandora

Social Media

Landscaper Training

Partnerships

Web Site

Large Events: SD County Fair

Civic Events

#droughtbucketlist

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Open to future and emerging leaders

Fall 2015 class in late September

Nominate someone or apply: www.sdcwa.org/citizens-water-academy

Fall 2014 Citizens Water Academy participants on top of Olivenhain Dam