Barrié de la Maza
A Barcala · Galicia · Galicia Costa
Capacity
31 hm³
Coordinates
42.866°N, 8.789°W
Operator
AGA
Current fill
41.9%vs 7 days ago
0.0%stable
vs 1 year ago
-9.7%year-over-year
7-day trend
→stable
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 31 hm³ |
| Usable capacity | 27.9 hm³ |
| Primary use | Multi-purpose |
| Operator | AGA |
| Province | A Barcala |
| Autonomous community | Galicia |
| River basin | Galicia Costa |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 42.866, -8.789 · Open in Google Maps
About Barrié de la Maza
As of June 9, 2026, Barrié de la Maza is filled to 41.9% of its total capacity, holding roughly 13 hm³ of water out of a maximum 31 hm³. At this level the reservoir is within its normal operating range. Of that total, about 28 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (+0.0 pts), and it is 9.7 points below its level on the same date a year earlier.
Across the readings we hold for Barrié de la Maza — 418 data points between June 12, 2018 and June 9, 2026 — the level has ranged from a low of 16.1% (October 9, 2018) to a high of 80.6% (December 25, 2018). On average the reservoir is fullest around January and at its lowest around September.
It is operated by AGA primarily for multiple purposes. It lies within the Galicia Costa basin at 42.866°N, 8.789°W.
Key facts
- Current fill level
- 41.9%
- Water stored
- 13 hm³
- Total capacity
- 31 hm³
- Usable capacity
- 28 hm³
- 7-day change
- No change
- Year-on-year
- ▼ 9.7 pts
- Primary use
- Multipurpose
- River basin
- Galicia Costa
- Operator
- AGA
- Coordinates
- 42.866°N, 8.789°W
- Last updated
- June 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Jun 2026 | 41.9% | 13 |
| 2 Jun 2026 | 41.9% | 13 |
| 26 May 2026 | 48.4% | 15 |
| 19 May 2026 | 51.6% | 16 |
| 12 May 2026 | 41.9% | 13 |
| 5 May 2026 | 45.2% | 14 |
| 28 Apr 2026 | 38.7% | 12 |
| 21 Apr 2026 | 45.2% | 14 |
| 14 Apr 2026 | 41.9% | 13 |
| 7 Apr 2026 | 54.8% | 17 |
| 31 Mar 2026 | 51.6% | 16 |
| 24 Mar 2026 | 48.4% | 15 |
Frequently asked questions
What is the current water level of Barrié de la Maza?
As of June 9, 2026, Barrié de la Maza is at 41.9% of its capacity, holding approximately 13 hm³ of water, according to MITECO data.
Is Barrié de la Maza reservoir full?
No. As of June 9, 2026, Barrié de la Maza is within its normal operating range at 41.9% of its capacity, so it is not full.
Is the water level at Barrié de la Maza rising or falling?
The level at Barrié de la Maza has been broadly stable over the latest week on record (0.0 points).
How much water can Barrié de la Maza hold?
Barrié de la Maza has a total capacity of 31 hm³, of which about 28 hm³ is usable storage.
Where is Barrié de la Maza reservoir located?
Barrié de la Maza is located in A Barcala, Galicia, Spain, within the Galicia Costa basin (coordinates 42.866°N, 8.789°W).
What is Barrié de la Maza used for?
Barrié de la Maza is used primarily for multiple purposes, and is managed by AGA.

