Mudan Reservoir
South · 四重溪支流汝仍溪、牡丹溪 Basin
Capacity
31.19 hm³
Coordinates
22.140°N, 120.783°E
Operator
Water Resources Agency (WRA)
93.7% full
Current fill
93.7%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 | 31.19 hm³ |
| Usable capacity | 26.04 hm³ |
| Dam height | 65 m |
| Dam type | embankment |
| Primary use | Multi-purpose |
| Operator | Water Resources Agency (WRA) |
| River | 四重溪支流汝仍溪、牡丹溪 |
| Autonomous community | South |
| River basin | 四重溪支流汝仍溪、牡丹溪 Basin |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 22.140, 120.783 · Open in Google Maps
About Mudan Reservoir
As of October 1, 2026, Mudan Reservoir is filled to 93.7% of its total capacity, holding roughly 24 hm³ of water out of a maximum 31 hm³. At this level the reservoir is high. Of that total, about 26 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 Mudan Reservoir — 1 data points between October 1, 2026 and October 1, 2026 — the level has ranged from a low of 93.7% (October 1, 2026) to a high of 93.7% (October 1, 2026).
The dam at Mudan Reservoir stands 65 m tall and is a embankment dam. It is operated by Water Resources Agency (WRA) primarily for multiple purposes. It lies within the 四重溪支流汝仍溪、牡丹溪 Basin basin at 22.140°N, 120.783°E.
Key facts
- Current fill level
- 93.7%
- Water stored
- 24 hm³
- Total capacity
- 31 hm³
- Usable capacity
- 26 hm³
- 7-day change
- No change
- Primary use
- Multipurpose
- River
- 四重溪支流汝仍溪、牡丹溪
- River basin
- 四重溪支流汝仍溪、牡丹溪 Basin
- Dam height
- 65 m
- Operator
- Water Resources Agency (WRA)
- Coordinates
- 22.140°N, 120.783°E
- Last updated
- October 1, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 1 Oct 2026 | 93.7% | 24 |

