Zengwen Reservoir
South · 曾文溪 Basin
Capacity
803.82 hm³
Coordinates
23.250°N, 120.536°E
Operator
Water Resources Agency (WRA)
Current fill
60.5%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 July 3, 2026, Zengwen Reservoir is filled to 60.5% of its total capacity, holding roughly 295 hm³ of water out of a maximum 804 hm³. At this level the reservoir is within its normal operating range. 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 July 3, 2026 and July 3, 2026 — the level has ranged from a low of 60.5% (July 3, 2026) to a high of 60.5% (July 3, 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
- 60.5%
- Water stored
- 295 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
- July 3, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 3 Jul 2026 | 60.5% | 295 |
Frequently asked questions
What is the current water level of Zengwen Reservoir?
As of July 3, 2026, Zengwen Reservoir is at 60.5% of its capacity, holding approximately 295 hm³ of water, according to WRA data.
Is Zengwen Reservoir reservoir full?
No. As of July 3, 2026, Zengwen Reservoir is within its normal operating range at 60.5% of its capacity, so it is not full.
Is the water level at Zengwen Reservoir rising or falling?
The level at Zengwen Reservoir has been broadly stable over the latest week on record (0.0 points).
How much water can Zengwen Reservoir hold?
Zengwen Reservoir has a total capacity of 804 hm³, of which about 487 hm³ is usable storage.
Where is Zengwen Reservoir reservoir located?
Zengwen Reservoir is located in South, Taiwan, within the 曾文溪 Basin basin (coordinates 23.250°N, 120.536°E).
When was Zengwen Reservoir dam built?
The dam at Zengwen Reservoir was completed in 1973.
What is Zengwen Reservoir used for?
Zengwen Reservoir is used primarily for multiple purposes, and is managed by Water Resources Agency (WRA).

