| Daguangba Dam | |
|---|---|
  Location of Daguangba Dam  Daguangba Dam (China) | |
| Official name | 广坝农场 |
| Country | China |
| Location | Dongfang |
| Coordinates | 19°01′10″N 108°58′46″E / 19.01944°N 108.97944°E |
| Status | Operational |
| Construction began | 1990 |
| Opening date | 1995 |
| Construction cost | US$197.5 million |
| Owner(s) | Hainan Provincial Electric Power Company (HEPCO) |
| Dam and spillways | |
| Type of dam | Concrete gravity/Embankment |
| Impounds | Changhua River |
| Height | Concrete section: 57 m (187 ft) Embankment:44 m (144 ft) |
| Length | Concrete section: 719 m (2,359 ft) Embankment:5,123 m (16,808 ft) Total:5,842 m (19,167 ft) |
| Elevation at crest | Concrete section: 144 m (472 ft) Embankment:145 m (476 ft) |
| Dam volume | Concrete section: 860,000 m3 (1,124,838 cu yd) Embankment: 7,800,000 m3 (10,202,015 cu yd) |
| Spillway type | Controlled, 16 radial gates |
| Spillway capacity | 35,564 m3/s (1,255,931 cu ft/s) |
| Reservoir | |
| Total capacity | 1,710,000,000 m3 (1,386,320 acre⋅ft) |
| Active capacity | 1,315,000,000 m3 (1,066,088 acre⋅ft) |
| Catchment area | 3,498 km2 (1,351 sq mi) |
| Normal elevation | 140 m (459 ft) |
| Power Station | |
| Commission date | 1993–1995 |
| Turbines | 4 x 60 MW Francis-type |
| Installed capacity | 240 MW |
The Daguangba Dam is a multi-purpose dam on the Changhua River in Hainan Province, China. It is located 35 km (22 mi) east of Dongfang. As the primary component of the Daguangba Multipurpose Project, the dam was constructed between 1990 and 1995. It serves to provide water for both hydroelectric power generation and agriculture. It supports a 240 MW power station and supplies water for the irrigation of 12,700 ha (31,382 acres). It is also the largest dam and hydroelectric power station in Hainan.