Rules
Granada · Andalusia · Cuenca Mediterránea Andaluza
Capacity
111 hm³
Coordinates
36.859°N, 3.496°W
Operator
CHMS
86.5% full
Current fill
86.5%vs 7 days ago
-1.8%losing
vs 1 year ago
+14.4%year-over-year
7-day trend
↓falling
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 111 hm³ |
| Usable capacity | 99.9 hm³ |
| Primary use | Multi-purpose |
| Operator | CHMS |
| Province | Granada |
| Autonomous community | Andalusia |
| River basin | Cuenca Mediterránea Andaluza |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 36.859, -3.496 · Open in Google Maps
About Rules
As of September 7, 2026, Rules is filled to 86.5% of its total capacity, holding roughly 96 hm³ of water out of a maximum 111 hm³. At this level the reservoir is high. Of that total, about 100 hm³ is usable (live) storage.
Over the most recent week on record the fill level has fallen by 1.8 percentage points, and it is 14.4 points above its level on the same date a year earlier.
Across the readings we hold for Rules — 419 data points between September 4, 2018 and September 7, 2026 — the level has ranged from a low of 30.6% (February 6, 2024) to a high of 98.2% (May 28, 2019). On average the reservoir is fullest around June and at its lowest around November.
It is operated by CHMS primarily for multiple purposes. It lies within the Cuenca Mediterránea Andaluza basin at 36.859°N, 3.496°W.
Key facts
- Current fill level
- 86.5%
- Water stored
- 96 hm³
- Total capacity
- 111 hm³
- Usable capacity
- 100 hm³
- 7-day change
- ▼ 1.8 pts
- Year-on-year
- ▲ 14.4 pts
- Primary use
- Multipurpose
- River basin
- Cuenca Mediterránea Andaluza
- Operator
- CHMS
- Coordinates
- 36.859°N, 3.496°W
- Last updated
- September 7, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 7 Sep 2026 | 86.5% | 96 |
| 1 Sep 2026 | 88.3% | 98 |
| 25 Aug 2026 | 89.2% | 99 |
| 18 Aug 2026 | 90.1% | 100 |
| 11 Aug 2026 | 91.0% | 101 |
| 4 Aug 2026 | 92.8% | 103 |
| 28 Jul 2026 | 93.7% | 104 |
| 21 Jul 2026 | 94.6% | 105 |
| 14 Jul 2026 | 94.6% | 105 |
| 7 Jul 2026 | 94.6% | 105 |
| 30 Jun 2026 | 95.5% | 106 |
| 23 Jun 2026 | 95.5% | 106 |