Lake Durusu (also called Lake Terkos or Targus) is a lake in

Thrace Thrace (; el, Θράκη, Thráki; bg, Тракия, Trakiya; tr, Trakya) or Thrake is a geographical and historical region in Southeast Europe, now split among Bulgaria, Greece, and Turkey, which is bounded by the Balkan Mountains to t ...

region of

Turkey Turkey ( tr, Türkiye ), officially the Republic of Türkiye ( tr, Türkiye Cumhuriyeti, links=no ), is a list of transcontinental countries, transcontinental country located mainly on the Anatolia, Anatolian Peninsula in Western Asia, with ...

. It would be eliminated by the planned

Istanbul Canal The Istanbul Canal ( tr, Kanal İstanbul) is a project for an artificial sea-level waterway, which is planned by Turkey on East Thrace, connecting the Black Sea to the Sea of Marmara, and thus to the Aegean and Mediterranean seas. Istanbul Cana ...

Description

The lake lies in

İstanbul Province ) , postal_code_type = Postal code , postal_code = 34000 to 34990 , area_code = +90 212 (European side) +90 216 (Asian side) , registration_plate = 34 , blank_name_sec2 = GeoTLD , blank_i ...

. The midpoint of the lake is at about . It is situated to the north west of

Istanbul Istanbul ( , ; tr, İstanbul ), formerly known as Constantinople ( grc-gre, Κωνσταντινούπολις; la, Constantinopolis), is the List of largest cities and towns in Turkey, largest city in Turkey, serving as the country's economic, ...

and its distance to the city is . Its elevation with respect to sea level is about and its maximum depth is . The surface area is .Real estate online encyclopaedia
/ref> Depending on the rainfall, this lake with a 162 million m³ of the water potential satisfies approximately 20% of the water needs of Istanbul and surrounding settlements. Lake Durusu was originally a lagoon and it is separated from the

Black Sea The Black Sea is a marginal mediterranean sea of the Atlantic Ocean lying between Europe and Asia, east of the Balkans, south of the East European Plain, west of the Caucasus, and north of Anatolia. It is bounded by Bulgaria, Georgia, Roma ...

coast by a wide strip. Currently there is no connection to the sea and it is a fresh water lake fed by a number of creeks the most important one being the Istrance creek. The drainage basin is .Eodev page
/ref> The annual water supply capacity of the lake is .

History

It is known that the history of village where the lake is located is about 900 years old. The area around the lake was a pirates' settlement in the medieval ages. A monastery named ''Trikos'' was built by the Genoese. In the 19th century the lake was used as the main water source of

. In 1868 the concession of the lake and its environment was granted to an Ottoman - French company.

Facilities

In order to solve the water problem of

in the 19th century, samples had been taken from here. The researches showed that lake Durusu is a drinking water source. So, facilities were built for paying the water needs in this region. Thus, part one fifth of İstanbul inhabitants use this lake for drinking water.

References

{{Lakes of Turkey

Durusu Durusu or Terkos ( el, Δέρκος, ''Derkos''; also Δέλκη ''Delke'', Δέλκος ''Delkos'', and Δέρκοι ''Derkoi'') is a village in the Arnavutköy district (formerly part of Çatalca district) of Istanbul, Turkey. It lies close to the ...

Landforms of Istanbul Province Important Bird Areas of Turkey