Michael T. Hogan

Board Chairman

San Diego County Water Authority

2

Wholesale water agency created by Legislature in 1944

◦ 24 member agencies

◦ 36-member board of directors

◦ Serves 3.1 million people, $186 billion economy

Service area

◦ 950,000 acres

◦ 97% of county’s population

Build, own and maintain large-scale water infrastructure

Water Authority secures supplies for 24 local agencies

◦ 6 cities

◦ 14 water or utility districts

◦ 3 irrigation districts

◦ 1 military base

3

Local Water Agencies

Camp Pendleton

Lakeside WD City of Poway

Santa Fe ID

Carlsbad MWD

National City* Rainbow MWD

South Bay Irrigation District*

City of Del Mar

City of Oceanside

Ramona MWD

Vallecitos WD

City of Escondido

Olivenhain MWD

Rincon Del Diablo MWD

Valley Center MWD

Fallbrook PUD

Otay Water District

City of San Diego

Vista ID

Helix WD Padre Dam MWD

San Dieguito WD

Yuima MWD

* Member of the Sweetwater Authority

Common industry measurement

About 326,000 gallons

Enough to submerge one acre one foot deep

Supplies two families for a year

4

5

LAKESHASTA

LAKEOROVILLE

State Water Project(Bay-Delta)

30%Colorado River

50%

Local Supplies and Conservation

20%

San Diego County imports ~80% of its water supply

6 6

Metropolitan Water District

Imperial Irrigation District Transfer

All American & Coachella Canal Lining

Conservation

Seawater Desalination

Local Surface Water

Recycled Water

Groundwater

2011 20201991

95%

48%23%

14%

12% 9%

6%5%5%

17%

10%

7%6%

22%

13%

3%5%

7

0

50,000

100,000

150,000

200,000

250,000

300,000

2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021

Calendar Year

Acre-Feet

IID Water Transfer

Canal Lining

IID and Canal Lining Deliveries 2003-2021

8

Several hundred million dollars invested since 1991◦ 17 active non-potable recycling

projects countywide◦ >10 MGD brackish groundwater

desalting◦ Recycled water and groundwater

supplies to double by 2020

Seawater desalination Carlsbad Camp Pendleton Rosarito Beach

Indirect Potable Reuse Local supplies to provide 30%

of the region’s water supply by 2020

9

0

10,000

20,000

30,000

40,000

50,000

60,000

70,000

19

91

19

93

19

95

19

97

19

99

20

01

20

03

20

05

20

07

20

09

10

Multi-decade investment

◦ Incentive programs◦ Surveys and retrofits◦ Efficiency standards

2007-2009: drought response campaign

◦ 20-Gallon Challenge

2020: 17% of demand met through local conservation

$3.8 billion Capital Improvement Program (CIP)◦ $1.5 billion Emergency Storage Project

◦ New and expanded surface storage

◦ Water treatment

◦ Pipelines

◦ Pump stations

◦ Power generation

◦ Aqueduct Protection Program

Pipeline relining program

11

Canal Linings

Regional Water

Treatment

Hydro-Electric

Pipelines Pumping/Control Facilities

1991 2000-2013 2020

Major CIP Investments Since 1991

Pipe Relining

Regional Water

Storage

12

13

Project: All American & Coachella CanalLining ProjectsComplete: 2010 (AAC) and 2006 (CC)Cost: $452 million total, including

$198 million from Water AuthorityBenefits: 80,000 AF/Y for 110 Years

14

Complete: 2008Cost: $179 millionBenefit: 100 MGD treated supply for region

15

Project: Twin Oaks Water Treatment Plant

Project: Olivenhain Dam & ReservoirComplete: 2003Cost: $198 million

Benefit: 22,000 AF of storage

16

Project: Lake Hodges ProjectsComplete: 2011Cost: $196 millionBenefits: 20,000 AF ESP storage; 40MW power

18

Project: San Vicente Pipeline & TunnelComplete: 2011Cost: $459 millionBenefit: Improved Water Delivery

19

20

Project: San Vicente Dam RaiseComplete: 2013Cost: $482 million

20

Benefit: Increase reservoir capacity by 152,000 acre-feet

2121

Rendering of dam raised by 117 feet

Project: Pipeline Relining ProgramComplete: OngoingCost: $787 millionBenefit: Extended life of major pipelines

22

Over past two decades:

◦ Achieved greater supply diversification

◦ Secured 280,000 AF/YR of long-term reliable new supplies from Colorado River

◦ Reduced reliance on MWD by 50%

Helped offset MWD cuts from 2009-2011

◦ Achieved sustained water conservation

◦ Invested billions in new, major water supply infrastructure

◦ Vastly improved water supply reliability to protect region’s $186 billion economy and quality of life for 3.1 million people

23

San Diego County: 1991 vs. 2011

1991 2011

578

Water use (thousand acre-feet)

566$65

Gross Domestic Product (billions)

$186

Jobs (millions)

1.08

1.3

Population (millions)

2.5

3.1

$323

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

$1,066

24