Topuzlu Dam

Topuzlu Dam
Location of Topuzlu Dam in Istanbul
Official name	Topuzlu Bent
Country	Turkey
Location	Bahçeköy, Sarıyer, Istanbul Province
Coordinates	41°10′58″N 28°59′36″E
Opening date	1750
Dam and spillways
Type of dam	Solid gravity dam
Impounds	Eskibağlar Creek
Height (thalweg)	14.00 m (45.93 ft)
Length	80.65 m (264.6 ft)
Width (crest)	4.30 m (14.1 ft)
Width (base)	7.00 m (22.97 ft)
Reservoir
Total capacity	160,000 m^3 (5,700,000 cu ft)
Catchment area	0.92 km^2 (0.36 sq mi)

Topuzlu Dam (Turkish: Topuzlu Bent) is a historic dam located in Sarıyer district of Istanbul Province in Turkey.

Topuzlu Dam was built in 1750 by Ottoman Sultan Mahmud I (reigned 1730–1754). In 1786, its crest was raised about 3.40 m (11.2 ft) higher by Abdul Hamid I (reigned 1774–1789).^[1] The dam is named "Topuzlu" meaning "bulged" due to a bulge-formed central part of the upstream wall side.

The dam is situated just north of Bahçeköy, Sarıyer inside the Bentler Nature Park, which is part of the Belgrad Forest.^[2][3]

Topuzlu Dam impounds Eskibağlar Creek and has a catchment area of 0.92 km² (0.36 sq mi). It is a solid gravity dam constructed in masonry. The dam is 14.00 m (45.93 ft) high from the thalweg and 80.65 m (264.6 ft) long at crest. The crest is 4.30 m (14.1 ft) and the base is 7.00 m (22.97 ft) wide. The dam has a reservoir capacity of 160,000 m³ (5,700,000 cu ft).

References

1. Görceliğoğlu, Ertuğrul (1985). "Belgrat Ormanındaki Tarihi Bentler". Orman Fakültesi Dergisi (in Turkish). 35 (3). İstanbul Üniversitesi-Orman Fakültesi: 42–59. Retrieved 2016-05-22.
2. "Bendler Tabiat Parkı" (in Turkish). İstanbul Tabiat Parkları. Archived from the original on 2016-01-19. Retrieved 2016-05-22.
3. "Bendler Tabiat Parkı" (in Turkish). İstanbul Orman ve Su İşleri Müdürlüğü. Archived from the original on 2016-06-23. Retrieved 2016-05-22.