Nanhua Reservoir
South · 曾文溪支流後堀溪、高屏溪支流旗山溪(越域引水) Basin
Capacity
158.05 hm³
Coordinates
23.088°N, 120.543°E
Operator
Water Resources Agency (WRA)
Current fill
98.1%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 | 158.05 hm³ |
| Usable capacity | 81.81 hm³ |
| Dam height | 87.5 m |
| Dam type | embankment |
| Primary use | water supply |
| Operator | Water Resources Agency (WRA) |
| River | 曾文溪支流後堀溪、高屏溪支流旗山溪(越域引水) |
| Autonomous community | South |
| River basin | 曾文溪支流後堀溪、高屏溪支流旗山溪(越域引水) Basin |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 23.088, 120.543 · Open in Google Maps
About Nanhua Reservoir
As of July 3, 2026, Nanhua Reservoir is filled to 98.1% of its total capacity, holding roughly 80 hm³ of water out of a maximum 158 hm³. At this level the reservoir is high. Of that total, about 82 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 Nanhua Reservoir — 1 data points between July 3, 2026 and July 3, 2026 — the level has ranged from a low of 98.1% (July 3, 2026) to a high of 98.1% (July 3, 2026).
The dam at Nanhua Reservoir stands 87.5 m tall and is a embankment dam. It is operated by Water Resources Agency (WRA) primarily for water supply. It lies within the 曾文溪支流後堀溪、高屏溪支流旗山溪(越域引水) Basin basin at 23.088°N, 120.543°E.
Key facts
- Current fill level
- 98.1%
- Water stored
- 80 hm³
- Total capacity
- 158 hm³
- Usable capacity
- 82 hm³
- 7-day change
- No change
- Primary use
- Water supply
- River
- 曾文溪支流後堀溪、高屏溪支流旗山溪(越域引水)
- River basin
- 曾文溪支流後堀溪、高屏溪支流旗山溪(越域引水) Basin
- Dam height
- 87.5 m
- Operator
- Water Resources Agency (WRA)
- Coordinates
- 23.088°N, 120.543°E
- Last updated
- July 3, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 3 Jul 2026 | 98.1% | 80 |
Frequently asked questions
What is the current water level of Nanhua Reservoir?
As of July 3, 2026, Nanhua Reservoir is at 98.1% of its capacity, holding approximately 80 hm³ of water, according to WRA data.
Is Nanhua Reservoir reservoir full?
Nanhua Reservoir is essentially full, sitting at 98.1% of capacity as of July 3, 2026.
Is the water level at Nanhua Reservoir rising or falling?
The level at Nanhua Reservoir has been broadly stable over the latest week on record (0.0 points).
How much water can Nanhua Reservoir hold?
Nanhua Reservoir has a total capacity of 158 hm³, of which about 82 hm³ is usable storage.
Where is Nanhua Reservoir reservoir located?
Nanhua Reservoir is located in South, Taiwan, within the 曾文溪支流後堀溪、高屏溪支流旗山溪(越域引水) Basin basin (coordinates 23.088°N, 120.543°E).
What is Nanhua Reservoir used for?
Nanhua Reservoir is used primarily for water supply, and is managed by Water Resources Agency (WRA).