Ronghua Dam (Chinese: 榮華大壩; pinyin: Rónghuá Dàbà; Wade–Giles: Jung2-hua2 Ta4-pa4) is a concrete arch dam crossing the Dahan River, a tributary to the Tamsui River, in Fuxing District, Taoyuan City, Taiwan.[1]

Ronghua Dam
View of the dam in January 2004
LocationTaoyuan City, Taiwan
Coordinates24°44′13″N 121°21′03″E / 24.73694°N 121.35083°E / 24.73694; 121.35083
Construction began1978; 46 years ago (1978)
Opening date1984; 40 years ago (1984)
Dam and spillways
ImpoundsDahan River
Height82 metres (269 ft)
Reservoir
Total capacity16,700,000 cubic metres (13,500 acre⋅ft)
Power Station
Installed capacity40 MW
Annual generation200 million KWh

The dam was started in December 1978 and finished in June 1984.[2] The cost was NT$1.83 billion. The Ronghua Dam is within the catchment area of the Shihmen Reservoir, 27 kilometers upstream of the Shihmen Dam in the Dahan River gorge.[2] The dam's main function is to prevent sand from moving downstream and building up as silt in the Shimen Reservoir. It also serves as a diversion point for sending water to a 40,000 kilowatt hydroelectric plant located 6 kilometres (3.7 mi) downstream.

Ronghua Dam in January 2014

As of 2012, the dam has no effective storage capacity, as almost its entire reservoir has been filled by sediment.

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