General Directorate of İSU of Kocaeli Metropolitan Municipality Dr.Bahattin YANIK Deputy General Director 18 March 2009

Potable Water Demand and Resources in Kocaeli THE POPULATION AND WATER DEMAND IN 2040 ACCORDING TO THE REPORT OF ISTANBUL TECHNICAL UNIVERSİTY, DEPARTMENT OF ENVIRONMENTAL ENGINEERING- “THE ESTIMATION OF WATER DEMAND IN THE SERVICE AREA OF METROPOLİTAN MUNICIPALITY OF KOCAELI, ADMINISTRATION OF WATER AND WASTE WATER” POPULATION 1.864.690 WATER DEMAND PER CAPITA 185 liter/day RATIO OF WATER LOSSES % 21 WATER DEMAND 191.3 million m3 YUVACIK DAM 120 million m3 SAPANCA LAKE 30 million m3 LOCAL RESOURCES 10 million m3 WATER DEFİCİT 31.3 million m3 İHSANİYE – AVCIDERE DAMS 25 million m3 KANDIRA NAMAZGAH DAM 20 million m3

Sapanca Project SAPANCA PUMPING STATION YUVACIK DAM TREATMENT PLANT Ø1328 mm in DIAMETER 10 km in LENGHT STELL PIPELINE Ø1328 mm in DIAMETER 11 km in LENGHT STELL PIPELINE BALABAN HEADER TANK (3200 m3)

Sapanca Project

Kandıra Namazgah Dam

Water Supply Project İHSANİYE and AVCIDERE DAMS

Renew Water Networks (km)

Ratio of Water Losses By Years

SETTLEMENTS SUPPLİED BY YUVACIK DAM WHİLE ONLY THESE SETTLEMENTS CONSUMED 110 MİLYON M3 İN 2003 ALL THESE SETTLEMENTS CONSUMED 110 MİLYON M3 İN 2008 İSTANBUL ŞEKERPINAR ŞEKERPINAR ÇAYIROVA GEBZE HEREKE KİRAZLIYALI BEKİRPAŞA DİLOVASI KURUÇEŞME DARICA KÖRFEZ TAVŞANCIL ALİKAHYA SARAYBAHÇE DERİNCE UZUNÇİFTLİK KÖSEKÖY UZUNTARLA EŞME İZMİT KÖRFEZİ KULLAR SARIMEŞE ACISU Sapanca Gölü D.DERE GÖLCÜK DERBENT MAŞUKİYE EREĞLİ ULAŞLI YENİKÖY İHSANİYE KARŞIYAKA HALIDERE HİSAREYN ARSLANBEY SUADİYE BAHÇECİK YUVACIK KARAMÜRSEL DEREKÖY YALOVA Yuvacık Baraj Gölü AKÇAT YALAKDERE SAKARYA BURSA KIZDERBENT

The Amount Of Water Supplied FromYuvacık Dam By Years (million m3) years

Benefit Year 2003 Water taken from the dam : 110 million m3 Water leakage and illegal usage : % 71 Water Losses : 78,1 million m3 Year 2008 Water taken from the dam : 110 million m3 Water leakage and illegal usage : % 35 Water Losses : 38,5 million m3 Saving water : 78,1 – 38,5 = 39,6 million m3 Benefit (with 2008 prices) = 39,6 x 1,86 = 74 million TL

Effective usage of water is more profitable than taking new resources into operation.

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