Zengwen Reservoir
South · 曾文溪 Basin
Capacity
803.82 hm³
Coordinates
23.250°N, 120.536°E
Operator
Water Resources Agency (WRA)
99.6% full
Current fill
99.6%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 | 803.82 hm³ |
| Usable capacity | 486.54 hm³ |
| Dam height | 134 m |
| Dam type | embankment |
| Year built | 1973 |
| Primary use | Multi-purpose |
| Operator | Water Resources Agency (WRA) |
| River | 曾文溪 |
| Autonomous community | South |
| River basin | 曾文溪 Basin |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 23.250, 120.536 · Open in Google Maps
About Zengwen Reservoir
As of October 1, 2026, Zengwen Reservoir is filled to 99.6% of its total capacity, holding roughly 485 hm³ of water out of a maximum 804 hm³. At this level the reservoir is high. Of that total, about 487 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 Zengwen Reservoir — 1 data points between October 1, 2026 and October 1, 2026 — the level has ranged from a low of 99.6% (October 1, 2026) to a high of 99.6% (October 1, 2026).
The dam at Zengwen Reservoir stands 134 m tall and is a embankment dam and was completed in 1973. It is operated by Water Resources Agency (WRA) primarily for multiple purposes. It lies within the 曾文溪 Basin basin at 23.250°N, 120.536°E.
Key facts
- Current fill level
- 99.6%
- Water stored
- 485 hm³
- Total capacity
- 804 hm³
- Usable capacity
- 487 hm³
- 7-day change
- No change
- Primary use
- Multipurpose
- River
- 曾文溪
- River basin
- 曾文溪 Basin
- Dam height
- 134 m
- Year completed
- 1973
- Operator
- Water Resources Agency (WRA)
- Coordinates
- 23.250°N, 120.536°E
- Last updated
- October 1, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 1 Oct 2026 | 99.6% | 484 |