Peter Silva, PE

Silva Silva International Foro Ciudadano de la CILA, Mexicali, B.C. Noviembre de 2016

– 26 Agencias de Agua (Members Agencies)

– 19 millones de personas (million people)

– Economía Regional 1 Trillon de USD (Regional economy of 1 trillion dollars)

– Cumple con aproximadamente la mitad de las demandas (Meets about half of retail demands)

Los Angeles River Irrigation Ditch, 1895

Los Angeles Aqueduct

William

Mulholland Hetch Hetchy System

Hetch Hetchy Reservoir

Groundwater and Other Local Supplies

Metropolitan Service Area

Los Angeles Department of Water & Power

Los Angeles Aqueduct

1913

San Francisco Public Utilities Commission

Hetch Hetchy System

1913 - Raker Act

East Bay Municipal Utility District

Mokelumne River Aqueduct

1929

US Bureau of

Reclamation All-American Canal System 1940 – All-American Canal

1948 – Coachella Canal

Metropolitan Water District of Southern California

Colorado River Aqueduct

1941

US Bureau of

Reclamation

Central Valley Project

1940 - 1st water delivered

(Contra Costa Canal)

CA Department of

Water Resources

State Water Project

1960 - Burns Porter Act

1973 - 1st water to So.Cal.

Mokelumne River

Aqueduct

Pardee Reservoir

Mokelumne River

Aqueduct

All-American Canal System

All-American Canal

Colorado River

Aqueduct

Shasta Dam

CVP

SWP

Oroville Dam

California Aqueduct

LAKE

SHASTA

LAKE

OROVILLE

Bay-Delta

STATE WATER

PROJECT

(2.0 MAF)

LOS ANGELES

AQUEDUCTS

(0.5 MAF)

COLORADO RIVER

AQUEDUCT

(1.25 MAF)

METROPOLITAN WATER

DISTRICT SERVICE AREA

LOCAL

2.0 MAF

2012- 2013 Abajo del promedio de escurrimiento (Below average runoff)

2013 El mas seco en registros (Driest on record)

January 2014 Mas baja capa de nieve (Lowest snowpack)

2014 Temperatures Registro de mas altas temperaturas (Record high temperatures)

SWP Allocation 20%

28% Extreme

40% Exceptional

27% Severe

US Drought Monitor As of March 10, 2015

0

5

10

15

20

25

30

35

oct nov dic ene feb mar abr may jun jul ago sep

Wat

er

Co

nte

nt

(in

)

Northern Sierra Snowpack

Normal

Current Water Year

Previous Water Year

On April 1

1.4 in 0 in

April 1, 2010 Normal Snowpack

April 1, 2015 5% of Normal Snowpack

Northern Sierra

0

25

50

75

100

125

150

175

'05 '06 '07 '08 '09 '10 '11 '12 '13 '14 '15

%

Average

Ultimos 10 Años 7 Años mas bajos

‘07 ‘13 ‘90 ‘88 ‘77 ‘14 ‘15

0.00

4.00

8.00

12.00

16.00

Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep

Pre

cip

itat

ion

(in

.)

Actual Normal

Water Year

Runoff

Projection

49%

92%

16%

91%

69%

189%

3%

61%

79%

55%

375% 33%

46%

0

5

10

15

20

25

30

35

Ru

no

ff (

MA

F)

Actual Normal Forecast

18.26 MAF

Below Average Runoff 8 out of last 10 years

0.0

3.0

6.0

9.0

12.0

15.0

18.0

OCT NOV DIC ENE FEB MAR ABR MAY JUN JUL AGO SEP

Wat

er

Co

nte

nt

(in

)

Of April 1

Normal

Actual Año Hidrológico

Anterior Año Hidrológico

11.89 in

0.00

1.00

2.00

3.00

4.00

5.00

Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep

Pre

cip

itat

ion

(in

.)

Actual Normal

66% 64%

47%

115% 107%

51%

63%

94%

Proyección

anual de

escurrimiento

2015

224%

105%

138%

80%

25%

0

2

4

6

8

10

12

14

16

18

Ru

no

ff (

MA

F)

Actual Normal Forecast

Sequía Histórica de 15 años (Historic 15-year Drought)

10.88 MAF

Agosto de 2011

Agosto de 2014

Agosto de 2011

Agosto de 2014

Agosto de 2015

Drought Headlines

21

GOVERNOR BROWN DECLARES DROUGHT STATE OF EMERGENCY

17/1/14: Gobernador Brown declaró Estado de Emergencia (Governor Brown declares State of Emergency)

25/4/14: Gobernador Brown declaró continuar con el Estado de Emergencia (Governor declares Continued State of Emergency)

15/7/14: State Water Board – Normas de Conservacion de Emergencia (Emergency Conservation Regs).

17/3/14: State Water Board – Amplió las Normas de Conservación de Emergencia (expands Emerg. Conservation Regs).

1/4/15: Governor Executive Order- Restricciones Obligatorias (Mandatory Restrictions).

13/4/15: MWD Board – Aplica reducciones de Etapa 3 a las asignaciones (sets Stage 3 Allocation Cutbacks)

2/2/16: Extensión de las normas de emergencia – (Extended revised emergency regulations)

18/5/16: State Board – Adopcion de la “prueba de stress” para las agencias – (adoption of “stress test” for agencies).

Managing Future Uncertainties

Water Quality

Energy Capital Financing

Endangered Species

Climate Change

23