Baoshan Reservoir
North · 頭前溪支流柴梳溪、頭前溪支流上坪溪(越域取水) Basin
Capacity
5.47 hm³
Coordinates
24.749°N, 121.043°E
Operator
Water Resources Agency (WRA)
Current fill
100.6%vs 7 days ago
-1.2%losing
vs 1 year ago
-0.4%year-over-year
7-day trend
→stable
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 5.47 hm³ |
| Usable capacity | 5.01 hm³ |
| Dam height | 34.5 m |
| Dam type | embankment |
| Year built | 1984 |
| Primary use | water supply |
| Operator | Water Resources Agency (WRA) |
| River | 頭前溪支流柴梳溪、頭前溪支流上坪溪(越域取水) |
| Autonomous community | North |
| River basin | 頭前溪支流柴梳溪、頭前溪支流上坪溪(越域取水) Basin |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 24.749, 121.043 · Open in Google Maps
About Baoshan Reservoir
As of July 3, 2026, Baoshan Reservoir is filled to 100.6% of its total capacity, holding roughly 5 hm³ of water out of a maximum 5 hm³. At this level the reservoir is effectively full.
Over the most recent week on record the fill level has held broadly steady (-1.2 pts), and it sits close to where it was a year earlier.
Across the readings we hold for Baoshan Reservoir — 1125 data points between February 1, 2003 and July 3, 2026 — the level has ranged from a low of 1.4% (May 15, 2005) to a high of 109.2% (September 15, 2008). On average the reservoir is fullest around August and at its lowest around March.
The dam at Baoshan Reservoir stands 34.5 m tall and is a embankment dam and was completed in 1984. It is operated by Water Resources Agency (WRA) primarily for water supply. It lies within the 頭前溪支流柴梳溪、頭前溪支流上坪溪(越域取水) Basin basin at 24.749°N, 121.043°E.
Key facts
- Current fill level
- 100.6%
- Water stored
- 5 hm³
- Total capacity
- 5 hm³
- 7-day change
- ▼ 1.2 pts
- Year-on-year
- ▼ 0.4 pts
- Primary use
- Water supply
- River
- 頭前溪支流柴梳溪、頭前溪支流上坪溪(越域取水)
- River basin
- 頭前溪支流柴梳溪、頭前溪支流上坪溪(越域取水) Basin
- Dam height
- 34.5 m
- Year completed
- 1984
- Operator
- Water Resources Agency (WRA)
- Coordinates
- 24.749°N, 121.043°E
- Last updated
- July 3, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 3 Jul 2026 | 100.6% | 5 |
| 15 Jun 2026 | 101.8% | 5 |
| 8 Jun 2026 | 101.8% | 5 |
| 1 Jun 2026 | 95.2% | 5 |
| 22 May 2026 | 101.6% | 5 |
| 15 May 2026 | 94.0% | 5 |
| 8 May 2026 | 81.0% | 4 |
| 1 May 2026 | 63.9% | 3 |
| 22 Apr 2026 | 57.9% | 3 |
| 15 Apr 2026 | 63.3% | 3 |
| 8 Apr 2026 | 55.3% | 3 |
| 1 Apr 2026 | 28.1% | 1 |
Frequently asked questions
What is the current water level of Baoshan Reservoir?
As of July 3, 2026, Baoshan Reservoir is at 100.6% of its capacity, holding approximately 5 hm³ of water, according to WRA data.
Is Baoshan Reservoir reservoir full?
Baoshan Reservoir is essentially full, sitting at 100.6% of capacity as of July 3, 2026.
Is the water level at Baoshan Reservoir rising or falling?
The level at Baoshan Reservoir has been broadly stable over the latest week on record (-1.2 points).
How much water can Baoshan Reservoir hold?
Baoshan Reservoir has a total capacity of 5 hm³.
Where is Baoshan Reservoir reservoir located?
Baoshan Reservoir is located in North, Taiwan, within the 頭前溪支流柴梳溪、頭前溪支流上坪溪(越域取水) Basin basin (coordinates 24.749°N, 121.043°E).
When was Baoshan Reservoir dam built?
The dam at Baoshan Reservoir was completed in 1984.
What is Baoshan Reservoir used for?
Baoshan Reservoir is used primarily for water supply, and is managed by Water Resources Agency (WRA).