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March 18, 2009. March 18, 2009.

Bridging the 4th and the 5th World Water Forum

(Great actions for big challenges)

Bridging the 4th and the 5th World Water Forum

(Great actions for big challenges)

José Luis Luege Tamargo

Director GeneralNational Water Commission of MEXICO

Istanbul, TurkeyIstanbul, Turkey

5th World Water Forum5th World Water Forum

LAGO DE ZUMPANGO

LAGO DE XALTOCAN

LAGO XOCHIMILCO LAGO CHALCO

LAGO DE TEXCOCO

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SAN MATEO

SAN JOAQUIN

TEPOTZOTLAN

CUAUTITLAN

ATIZAPAN

SAN JAVIER

TLALNEPANTLA

DE LOS REMEDIOS TACUBA

EL SORDO

MAGDALENA

MIXCOAC

BECERRA TLALMANALCO

COATEPEC

CHAPINGO

SAN BERNARDINO

TEXCOCO

SAN JUAN TEOTIHUACAN

SAN MIGUEL

TEPEYAC

COXCACOACO

DE LOS JARDINES

PAPALOTLAXALAPANGO

AMECASAN

BUENAVENTURA

TACUBAYA

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Growth of Mexico City

Previous lake

Actual urban area

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Great water works since Aztec times

Albarradon de Nezahualcoyotl

(1449)Albarradonde Ahuizotl o

San Lázaro(1499)

Tenochtitlan was founded in the year 1325

Texcoco lake

Xochimilco lakeChalco lake

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The Nochistongo cut channel Great Drainage Channel

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The Deep Sewerage System: the Central Outfall Tunnel

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Water supply to Mexico City

80

70

60

50

40

30

20

10

0

1900 1920 1940 1960 1980 2000

m3/s

Water requirements

Supplied water

Overexplotation

Cutzamala System starts operation

Lerma System starts operation

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Aquifers of the Valley of Mexico

Allocated volume

Annual recharge

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Aquifers´ overexploitation

7 m

191010

2009

The Angel of Independence of Mexico City

Aquifers´ overexploitation

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Great Drainage Channel

1910

2002

Gravity operated

Slope of 19 cm per km

Slope has been reversed in some parts of the Channel

Great Canal pumping stationSales Canal pumping station

1910

2002

Nabor Carrillo

Lake

Central Outfall

Great Drainage Channel

Mexico City‘s

boundary

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Capacity of the Drainage System

1975 2007 2008

Capacity

m3/s

Capacity

m3/s

Capacity

m3/s

Great Drainage Channel 80 15 45

Western Outfall Tunnel 30 30 30

Central Outfall Tunnel 170 120 120

Total 280 165 195

Inhabitants

(Millions) 10 19

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SEWERAGE PROGRAM INVESTMENTS

Sewerage public works 2007 – 2012 (Million US Dollars )

Eastern Outfall Tunnel (TEO) 1.200TEO´s catchment and control flood gates 20Pumping Plant “Casa Colorada Profunda” 55“Río de los Remedios” Tunnel´s catchment 10Rectification of the of the Valley´s General Drain 45Pumping Plant “Caracol” 70

Total 1.400

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Construction of 6 Municipal Wastewater Treatment Plants

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SANITATION PROGRAM INVESTMENTS

ProjectCapacity

(m3/s)

Investment (Million US

Dollars)

Municipal Wastewater Treatment Plants (MWWTP)

MWWTP Guadalupe 0,5 20MWWTP Berriozábal 2,0 100MWWTP Nextlalpan 9,0 300

MWWTP s Zumpango1,5 55

( 2,5 )* 45MWWTP Atotonilco 23,0 690MWWTP Vaso El Cristo 4,0 215Gasoelectric Plants 175

Total 40,0  1.600

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SANITATION PROGRAM INVESTMENTS

Project Capacity(m3/s)

Investment (Million US

dollars)

New sources of potable water supply that substitute wells

Water Treatment Plant Guadalupe Dam 2,0 53

Water Treatment Plant Tula Aquifer 5,0 325

Water Treatment Plant Zumpango Reservoir 2,5 60

Water Treatment Plant Madín Dam 0,5 10

Cutzamala´s System Modernization 3,0 352

Total 15,0  800

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TOTAL INVESTMENTS

ConceptMillion

US dollars

Six wastewater treatment plants

1.600

Sewerage public works 1.400

Water works, including new water supply sources 800

Total 3.800

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Final words

www.conagua.gob.mx

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Thank you very much,

José Luis Luege Tamargo

General DirectorNational Water Commission of MEXICO