Zengwen Dam
Dam in Dapu, Chiyai County, Taiwan / From Wikipedia, the free encyclopedia
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Zengwen Dam, also spelled Tsengwen Dam, (Chinese: 曾文壩; Hanyu Pinyin: Zéngwén Bà; Tongyong Pinyin: Zéngwún Shuěibà; Wade–Giles: Tseng2-wen2 Shui3-b'a4) is a major earthen dam in Dapu Township, Chiayi County, Taiwan on the Zengwen River. It is the third tallest dam in Taiwan, and forms Zengwen Reservoir (曾文水庫), the biggest reservoir in Taiwan by volume.[3] The dam stores water for irrigation of the Chianan Plain, Taiwan's most productive agricultural region, and provides flood control along the Zengwen River which flows through Tainan City. The dam supports a 50 megawatt hydroelectric power station.[4][5]
Quick Facts Official name, Location ...
Zengwen Dam | |
---|---|
Official name | 曾文壩 |
Location | Dapu, Chiayi County, Taiwan |
Coordinates | 23°14′53″N 120°32′11″E |
Status | In use |
Construction began | 1967; 57 years ago (1967) |
Opening date | 1973; 51 years ago (1973) |
Dam and spillways | |
Type of dam | Earthfill |
Impounds | Zengwen River |
Height | 128 m (420 ft)[1] |
Length | 400 m (1,300 ft)[1] |
Width (crest) | 10 m (33 ft)[1] |
Width (base) | 445 m (1,460 ft)[1] |
Spillways | 3 |
Spillway type | Gated overflow, service |
Spillway capacity | 9,470 m3/s (334,000 cu ft/s)[1] |
Reservoir | |
Creates | Zengwen Reservoir |
Total capacity | 708,000,000 m3 (574,000 acre⋅ft) (nominal)[1] 491,590,000 m3 (398,540 acre⋅ft) (2013 estimate)[2] |
Catchment area | 481 km2 (186 sq mi)[1] |
Surface area | 17 km2 (4,200 acres)[1] |
Power Station | |
Installed capacity | 50 MW |
Annual generation | 184,900,320 KWh |
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