Baoshan Second Reservoir
North · 中港溪(越域取水-上坪溪) Basin
Capacity
32.18 hm³
Coordinates
24.726°N, 121.051°E
Operator
Water Resources Agency (WRA)
Current fill
100.2%vs 7 days ago
+0.2%gaining
vs 1 year ago
+0.2%year-over-year
7-day trend
→stable
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 32.18 hm³ |
| Usable capacity | 33.84 hm³ |
| Dam height | 61 m |
| Dam type | embankment |
| Primary use | Multi-purpose |
| Operator | Water Resources Agency (WRA) |
| River | 中港溪(越域取水-上坪溪) |
| Autonomous community | North |
| River basin | 中港溪(越域取水-上坪溪) Basin |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 24.726, 121.051 · Open in Google Maps
About Baoshan Second Reservoir
As of July 3, 2026, Baoshan Second Reservoir is filled to 100.2% of its total capacity, holding roughly 34 hm³ of water out of a maximum 32 hm³. At this level the reservoir is effectively full. Of that total, about 34 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (+0.2 pts), and it sits close to where it was a year earlier.
Across the readings we hold for Baoshan Second Reservoir — 966 data points between June 1, 2006 and July 3, 2026 — the level has ranged from a low of 2.8% (May 22, 2021) to a high of 100.3% (August 22, 2025). On average the reservoir is fullest around September and at its lowest around March.
The dam at Baoshan Second Reservoir stands 61 m tall and is a embankment dam. It is operated by Water Resources Agency (WRA) primarily for multiple purposes. It lies within the 中港溪(越域取水-上坪溪) Basin basin at 24.726°N, 121.051°E.
Key facts
- Current fill level
- 100.2%
- Water stored
- 34 hm³
- Total capacity
- 32 hm³
- Usable capacity
- 34 hm³
- 7-day change
- ▲ 0.2 pts
- Year-on-year
- ▲ 0.2 pts
- Primary use
- Multipurpose
- River
- 中港溪(越域取水-上坪溪)
- River basin
- 中港溪(越域取水-上坪溪) Basin
- Dam height
- 61 m
- Operator
- Water Resources Agency (WRA)
- Coordinates
- 24.726°N, 121.051°E
- Last updated
- July 3, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 3 Jul 2026 | 100.2% | 34 |
| 15 Jun 2026 | 100.0% | 34 |
| 8 Jun 2026 | 99.9% | 34 |
| 1 Jun 2026 | 98.7% | 33 |
| 22 May 2026 | 100.0% | 34 |
| 15 May 2026 | 98.7% | 33 |
| 8 May 2026 | 88.2% | 30 |
| 1 May 2026 | 74.4% | 25 |
| 22 Apr 2026 | 66.0% | 22 |
| 15 Apr 2026 | 59.2% | 20 |
| 8 Apr 2026 | 40.8% | 14 |
| 1 Apr 2026 | 21.8% | 7 |
Frequently asked questions
What is the current water level of Baoshan Second Reservoir?
As of July 3, 2026, Baoshan Second Reservoir is at 100.2% of its capacity, holding approximately 34 hm³ of water, according to WRA data.
Is Baoshan Second Reservoir reservoir full?
Baoshan Second Reservoir is essentially full, sitting at 100.2% of capacity as of July 3, 2026.
Is the water level at Baoshan Second Reservoir rising or falling?
The level at Baoshan Second Reservoir has been broadly stable over the latest week on record (+0.2 points).
How much water can Baoshan Second Reservoir hold?
Baoshan Second Reservoir has a total capacity of 32 hm³, of which about 34 hm³ is usable storage.
Where is Baoshan Second Reservoir reservoir located?
Baoshan Second Reservoir is located in North, Taiwan, within the 中港溪(越域取水-上坪溪) Basin basin (coordinates 24.726°N, 121.051°E).
What is Baoshan Second Reservoir used for?
Baoshan Second Reservoir is used primarily for multiple purposes, and is managed by Water Resources Agency (WRA).

