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South
NormalMulti-purpose

Zengwen Reservoir

South · 曾文溪 Basin

Capacity

803.82 hm³

Coordinates

23.250°N, 120.536°E

Operator

Water Resources Agency (WRA)

70.2% full

Current fill

70.2%
Normal

vs 7 days ago

0.0%

stable

vs 1 year ago

N/A

7-day trend

stable

Catchment Weather

Past 30 days + 14-day forecast · Open-Meteo

Technical specifications

Total capacity803.82 hm³
Usable capacity486.54 hm³
Dam height134 m
Dam typeembankment
Year built1973
Primary useMulti-purpose
OperatorWater Resources Agency (WRA)
River曾文溪
Autonomous communitySouth
River basin曾文溪 Basin
Data source:WRA·Last reading: 2026-08-14

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 August 14, 2026, Zengwen Reservoir is filled to 70.2% of its total capacity, holding roughly 341 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 August 14, 2026 and August 14, 2026 — the level has ranged from a low of 70.2% (August 14, 2026) to a high of 70.2% (August 14, 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
70.2%
Water stored
341 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
August 14, 2026

Recent readings

DateFill levelVolume (hm³)
14 Aug 202670.2%341

Frequently asked questions

What is the current water level of Zengwen Reservoir?

As of August 14, 2026, Zengwen Reservoir is at 70.2% of its capacity, holding approximately 341 hm³ of water, according to WRA data.

Is Zengwen Reservoir reservoir full?

No. As of August 14, 2026, Zengwen Reservoir is within its normal operating range at 70.2% 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).

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