Ermal
Braga · Norte · Ave
Capacity
51 hm³
Coordinates
41.663°N, 8.103°W
Operator
RH2
Current fill
76.3%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 | 51 hm³ |
| Usable capacity | 45.9 hm³ |
| Primary use | Multi-purpose |
| Operator | RH2 |
| River | Ave |
| Province | Braga |
| Autonomous community | Norte |
| River basin | Ave |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 41.663, -8.103 · Open in Google Maps
About Ermal
As of June 9, 2026, Ermal is filled to 76.3% of its total capacity, holding roughly 39 hm³ of water out of a maximum 51 hm³. At this level the reservoir is within its normal operating range. Of that total, about 46 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 Ermal — 1 data points between June 9, 2026 and June 9, 2026 — the level has ranged from a low of 76.3% (June 9, 2026) to a high of 76.3% (June 9, 2026).
It is operated by RH2 primarily for multiple purposes. It lies within the Ave basin at 41.663°N, 8.103°W.
Key facts
- Current fill level
- 76.3%
- Water stored
- 39 hm³
- Total capacity
- 51 hm³
- Usable capacity
- 46 hm³
- 7-day change
- No change
- Primary use
- Multipurpose
- River
- Ave
- River basin
- Ave
- Operator
- RH2
- Coordinates
- 41.663°N, 8.103°W
- Last updated
- June 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Jun 2026 | 76.3% | 39 |
Frequently asked questions
What is the current water level of Ermal?
As of June 9, 2026, Ermal is at 76.3% of its capacity, holding approximately 39 hm³ of water, according to SNIRH data.
Is Ermal reservoir full?
No. As of June 9, 2026, Ermal is within its normal operating range at 76.3% of its capacity, so it is not full.
Is the water level at Ermal rising or falling?
The level at Ermal has been broadly stable over the latest week on record (0.0 points).
How much water can Ermal hold?
Ermal has a total capacity of 51 hm³, of which about 46 hm³ is usable storage.
Where is Ermal reservoir located?
Ermal is located in Braga, Norte, Portugal, within the Ave basin (coordinates 41.663°N, 8.103°W).
What is Ermal used for?
Ermal is used primarily for multiple purposes, and is managed by RH2.

