Bao
Ourense · Galicia · Miño - Sil
Capacity
238 hm³
Coordinates
42.219°N, 7.140°W
Operator
CHS
Current fill
92.0%vs 7 days ago
-4.2%losing
vs 1 year ago
+2.1%year-over-year
7-day trend
↓falling
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 238 hm³ |
| Usable capacity | 214.2 hm³ |
| Primary use | Multi-purpose |
| Operator | CHS |
| Province | Ourense |
| Autonomous community | Galicia |
| River basin | Miño - Sil |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 42.219, -7.140 · Open in Google Maps
About Bao
As of June 9, 2026, Bao is filled to 92.0% of its total capacity, holding roughly 219 hm³ of water out of a maximum 238 hm³. At this level the reservoir is high. Of that total, about 214 hm³ is usable (live) storage.
Over the most recent week on record the fill level has fallen by 4.2 percentage points, and it is 2.1 points above its level on the same date a year earlier.
Across the readings we hold for Bao — 418 data points between June 12, 2018 and June 9, 2026 — the level has ranged from a low of 46.2% (September 21, 2021) to a high of 97.9% (September 11, 2018). On average the reservoir is fullest around February and at its lowest around October.
It is operated by CHS primarily for multiple purposes. It lies within the Miño - Sil basin at 42.219°N, 7.140°W.
Key facts
- Current fill level
- 92.0%
- Water stored
- 219 hm³
- Total capacity
- 238 hm³
- Usable capacity
- 214 hm³
- 7-day change
- ▼ 4.2 pts
- Year-on-year
- ▲ 2.1 pts
- Primary use
- Multipurpose
- River basin
- Miño - Sil
- Operator
- CHS
- Coordinates
- 42.219°N, 7.140°W
- Last updated
- June 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Jun 2026 | 92.0% | 219 |
| 2 Jun 2026 | 96.2% | 229 |
| 26 May 2026 | 94.5% | 225 |
| 19 May 2026 | 94.5% | 225 |
| 12 May 2026 | 92.9% | 221 |
| 5 May 2026 | 90.8% | 216 |
| 28 Apr 2026 | 87.4% | 208 |
| 21 Apr 2026 | 93.3% | 222 |
| 14 Apr 2026 | 89.9% | 214 |
| 7 Apr 2026 | 87.8% | 209 |
| 31 Mar 2026 | 89.1% | 212 |
| 24 Mar 2026 | 93.3% | 222 |
Frequently asked questions
What is the current water level of Bao?
As of June 9, 2026, Bao is at 92.0% of its capacity, holding approximately 219 hm³ of water, according to MITECO data.
Is Bao reservoir full?
No. As of June 9, 2026, Bao is high at 92.0% of its capacity, so it is not full.
Is the water level at Bao rising or falling?
The level at Bao is falling — it dropped 4.2 percentage points over the latest week on record.
How much water can Bao hold?
Bao has a total capacity of 238 hm³, of which about 214 hm³ is usable storage.
Where is Bao reservoir located?
Bao is located in Ourense, Galicia, Spain, within the Miño - Sil basin (coordinates 42.219°N, 7.140°W).
What is Bao used for?
Bao is used primarily for multiple purposes, and is managed by CHS.