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)
95.4% full
Current fill
95.4%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 October 1, 2026, Nanhua Reservoir is filled to 95.4% of its total capacity, holding roughly 78 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 October 1, 2026 and October 1, 2026 — the level has ranged from a low of 95.4% (October 1, 2026) to a high of 95.4% (October 1, 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
- 95.4%
- Water stored
- 78 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
- October 1, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 1 Oct 2026 | 95.4% | 78 |