Yongheshan Reservoir
Central · 中港溪支流北坑溝、中港溪支流南庄溪(越域引水) Basin
Capacity
29.57 hm³
Coordinates
24.661°N, 120.923°E
Operator
Water Resources Agency (WRA)
Current fill
100.0%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 | 29.57 hm³ |
| Usable capacity | 29.93 hm³ |
| Dam height | 62.5 m |
| Dam type | embankment |
| Year built | 1984 |
| Primary use | Multi-purpose |
| Operator | Water Resources Agency (WRA) |
| River | 中港溪支流北坑溝、中港溪支流南庄溪(越域引水) |
| Autonomous community | Central |
| River basin | 中港溪支流北坑溝、中港溪支流南庄溪(越域引水) Basin |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 24.661, 120.923 · Open in Google Maps
About Yongheshan Reservoir
As of July 3, 2026, Yongheshan Reservoir is filled to 100.0% of its total capacity, holding roughly 30 hm³ of water out of a maximum 30 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (+0.0 pts).
Across the readings we hold for Yongheshan Reservoir — 1 data points between July 3, 2026 and July 3, 2026 — the level has ranged from a low of 100.0% (July 3, 2026) to a high of 100.0% (July 3, 2026).
The dam at Yongheshan Reservoir stands 62.5 m tall and is a embankment dam and was completed in 1984. It is operated by Water Resources Agency (WRA) primarily for multiple purposes. It lies within the 中港溪支流北坑溝、中港溪支流南庄溪(越域引水) Basin basin at 24.661°N, 120.923°E.
Key facts
- Current fill level
- 100.0%
- Water stored
- 30 hm³
- Total capacity
- 30 hm³
- 7-day change
- No change
- Primary use
- Multipurpose
- River
- 中港溪支流北坑溝、中港溪支流南庄溪(越域引水)
- River basin
- 中港溪支流北坑溝、中港溪支流南庄溪(越域引水) Basin
- Dam height
- 62.5 m
- Year completed
- 1984
- Operator
- Water Resources Agency (WRA)
- Coordinates
- 24.661°N, 120.923°E
- Last updated
- July 3, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 3 Jul 2026 | 100.0% | 30 |
Frequently asked questions
What is the current water level of Yongheshan Reservoir?
As of July 3, 2026, Yongheshan Reservoir is at 100.0% of its capacity, holding approximately 30 hm³ of water, according to WRA data.
Is Yongheshan Reservoir reservoir full?
Yongheshan Reservoir is essentially full, sitting at 100.0% of capacity as of July 3, 2026.
Is the water level at Yongheshan Reservoir rising or falling?
The level at Yongheshan Reservoir has been broadly stable over the latest week on record (0.0 points).
How much water can Yongheshan Reservoir hold?
Yongheshan Reservoir has a total capacity of 30 hm³.
Where is Yongheshan Reservoir reservoir located?
Yongheshan Reservoir is located in Central, Taiwan, within the 中港溪支流北坑溝、中港溪支流南庄溪(越域引水) Basin basin (coordinates 24.661°N, 120.923°E).
When was Yongheshan Reservoir dam built?
The dam at Yongheshan Reservoir was completed in 1984.
What is Yongheshan Reservoir used for?
Yongheshan Reservoir is used primarily for multiple purposes, and is managed by Water Resources Agency (WRA).