| Mingde Dam | |
| Name Official: | 明德水壩 |
| Location Map: | Miaoli County |
| Location Map Size: | 220px |
| Location: | Touwu, Miaoli County, Taiwan |
| Status: | O |
| Dam Length: | 187 m |
| Dam Volume: | 17.1 million m3 |
| Spillway Count: | 6 |
| Spillway Capacity: | 1,200 m3/s |
| Res Catchment: | 61.08 km2 |
Mingde Dam is a rockfill dam across the Laotianliao River in central Touwu Township, Miaoli County, Taiwan. The Mingde Reservoir (Chinese: 明德水庫 Míngdé Shuǐkù) behind the dam serves mainly for irrigation and municipal water supply for Miaoli City. The dam consists of a main embankment 35.5m (116.5feet) high and 187m (614feet) long, holding back a reservoir with a capacity of 17.1 million cubic metres (14,350 acre feet). The dam and reservoir control runoff from a catchment area of 61.08km2. A spillway located to the north of the main dam consists of a six-bay gated overflow section, with a release capacity of 1200m3/s.[1]
The dam was built in 1966–1970.