Shimen Reservoir
North · 淡水河支流大漢溪 Basin
Capacity
309.12 hm³
Coordinates
24.814°N, 121.284°E
Operator
Water Resources Agency (WRA)
100.9% full
Current fill
100.9%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 | 309.12 hm³ |
| Usable capacity | 203.51 hm³ |
| Dam height | 133.1 m |
| Dam type | embankment |
| Primary use | Multi-purpose |
| Operator | Water Resources Agency (WRA) |
| River | 淡水河支流大漢溪 |
| Autonomous community | North |
| River basin | 淡水河支流大漢溪 Basin |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 24.814, 121.284 · Open in Google Maps
About Shimen Reservoir
As of October 1, 2026, Shimen Reservoir is filled to 100.9% of its total capacity, holding roughly 205 hm³ of water out of a maximum 309 hm³. At this level the reservoir is effectively full. Of that total, about 204 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 Shimen Reservoir — 1 data points between October 1, 2026 and October 1, 2026 — the level has ranged from a low of 100.9% (October 1, 2026) to a high of 100.9% (October 1, 2026).
The dam at Shimen Reservoir stands 133.1 m tall and is a embankment dam. It is operated by Water Resources Agency (WRA) primarily for multiple purposes. It lies within the 淡水河支流大漢溪 Basin basin at 24.814°N, 121.284°E.
Key facts
- Current fill level
- 100.9%
- Water stored
- 205 hm³
- Total capacity
- 309 hm³
- Usable capacity
- 204 hm³
- 7-day change
- No change
- Primary use
- Multipurpose
- River
- 淡水河支流大漢溪
- River basin
- 淡水河支流大漢溪 Basin
- Dam height
- 133.1 m
- Operator
- Water Resources Agency (WRA)
- Coordinates
- 24.814°N, 121.284°E
- Last updated
- October 1, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 1 Oct 2026 | 100.9% | 205 |