Shihgang Dam
Central · 大甲溪 Basin
Capacity
2.4 hm³
Coordinates
24.281°N, 120.769°E
Operator
Water Resources Agency (WRA)
64.9% full
Current fill
64.9%vs 7 days ago
0.0%stable
vs 1 year ago
N/A7-day trend
→stable
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 2.4 hm³ |
| Usable capacity | 1.11 hm³ |
| Dam height | 21.4 m |
| Dam type | gravity |
| Year built | 1977 |
| Primary use | Multi-purpose |
| Operator | Water Resources Agency (WRA) |
| River | 大甲溪 |
| Autonomous community | Central |
| River basin | 大甲溪 Basin |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 24.281, 120.769 · Open in Google Maps
About Shihgang Dam
As of October 2, 2026, Shihgang Dam is filled to 64.9% of its total capacity, holding roughly 1 hm³ of water out of a maximum 2 hm³. At this level the reservoir is within its normal operating range. Of that total, about 1 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (+0.0 pts).
Across the readings we hold for Shihgang Dam — 1 data points between October 2, 2026 and October 2, 2026 — the level has ranged from a low of 64.9% (October 2, 2026) to a high of 64.9% (October 2, 2026).
The dam at Shihgang Dam stands 21.4 m tall and is a gravity dam and was completed in 1977. It is operated by Water Resources Agency (WRA) primarily for multiple purposes. It lies within the 大甲溪 Basin basin at 24.281°N, 120.769°E.
Key facts
- Current fill level
- 64.9%
- Water stored
- 1 hm³
- Total capacity
- 2 hm³
- Usable capacity
- 1 hm³
- 7-day change
- No change
- Primary use
- Multipurpose
- River
- 大甲溪
- River basin
- 大甲溪 Basin
- Dam height
- 21.4 m
- Year completed
- 1977
- Operator
- Water Resources Agency (WRA)
- Coordinates
- 24.281°N, 120.769°E
- Last updated
- October 2, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 2 Oct 2026 | 64.9% | 1 |

