Büyükçekmece Dam

Büyükçekmece Dam (Turkish: Büyükçekmece Barajı) is a dam on the Lake Büyükçekmece in Büyükçekmece district of Istanbul Province, Turkey. The development was backed by the Turkish State Hydraulic Works (DSİ), and was opened in 1988.

Büyükçekmece Dam
Location pf Büyükçekmece Dam in Istanbul Province.
Location	Büyükçekmece, Istanbul, Turkey
Coordinates	41.0257°N 28.5688°E / 41.0257; 28.5688
Construction began	1983
Opening date	1988 (1988)
Owner(s)	Turkish State Hydraulic Works (DSİ)
Dam and spillways
Impounds	Lake Büyükçekmece
Reservoir
Total capacity	162 hm3 (5.7×109 cu ft)
Catchment area	620 km2 (240 sq mi)
Surface area	43 km2 (17 sq mi)

Büyükçekmece Dam on the Lake Büyükçekmece seen from the Büyükçekmece Bridge towards north.

Büyükçekmece Dam was built to supply residential water in Istanbul. The construction started in 1983, and the dam was completed in 1988.[1] Water supply from the dam'sreservoir went into service in 1989.[2] It is located in Büyükçekmece district on the European part of Istanbul on the Lake Büyükçekmece,[1] which is formed by disconnecting the stream Sarısu's outflow to the Marmara Sea.[2] It is an earth-fill embarkment dam of 13 m (43 ft) height.[1] The dam's catchment area is 620 km² (240 sq mi).[2] The reservoir has a capacity of 162 hm³ (5.7×10⁹ cu ft) covering a surface of 43 km² (17 sq mi) at normal pool.[1] The reservoir water is sanitated before it is supplied to the households. Annual water supply capacity of the dam is 100,000,000 m³ (3.5×10⁹ cu ft).[2]