Techi Reservoir
Central · 大甲溪、大甲溪支流志樂溪 Basin
Capacity
232 hm³
Coordinates
24.235°N, 121.077°E
Operator
Water Resources Agency (WRA)
96.8% full
Current fill
96.8%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 | 232 hm³ |
| Usable capacity | 184.33 hm³ |
| Dam height | 181 m |
| Dam type | arch |
| Year built | 1974 |
| Primary use | Multi-purpose |
| Operator | Water Resources Agency (WRA) |
| River | 大甲溪、大甲溪支流志樂溪 |
| Autonomous community | Central |
| River basin | 大甲溪、大甲溪支流志樂溪 Basin |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 24.235, 121.077 · Open in Google Maps
About Techi Reservoir
As of October 1, 2026, Techi Reservoir is filled to 96.8% of its total capacity, holding roughly 179 hm³ of water out of a maximum 232 hm³. At this level the reservoir is high. Of that total, about 184 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 Techi Reservoir — 1 data points between October 1, 2026 and October 1, 2026 — the level has ranged from a low of 96.8% (October 1, 2026) to a high of 96.8% (October 1, 2026).
The dam at Techi Reservoir stands 181 m tall and is a arch dam and was completed in 1974. It is operated by Water Resources Agency (WRA) primarily for multiple purposes. It lies within the 大甲溪、大甲溪支流志樂溪 Basin basin at 24.235°N, 121.077°E.
Key facts
- Current fill level
- 96.8%
- Water stored
- 179 hm³
- Total capacity
- 232 hm³
- Usable capacity
- 184 hm³
- 7-day change
- No change
- Primary use
- Multipurpose
- River
- 大甲溪、大甲溪支流志樂溪
- River basin
- 大甲溪、大甲溪支流志樂溪 Basin
- Dam height
- 181 m
- Year completed
- 1974
- Operator
- Water Resources Agency (WRA)
- Coordinates
- 24.235°N, 121.077°E
- Last updated
- October 1, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 1 Oct 2026 | 96.8% | 178 |