APOLONIO SALES
Alagoas · SAO FRANCISCO
Useful capacity
151.62 hm³
Coordinates
9.356°S, 38.210°W
Operator
ONS
76.7% of useful capacity
Current fill
76.7%of useful capacity
vs 7 days ago
+3.1 ppgaining
vs 1 year ago
+5.6 ppyear-over-year
7-day trend
↑rising
Drought context
Storage vs October average
106%of normal
76.7% full on 2026-10-27, against an average of 72.7% for October across 2 years of readings (+4.0 points).
Rain over the last three months · 11 October 2026
Extremely dry
In the three months to 11 October 2026 the area around APOLONIO SALES had extremely little rain for the season, a shortfall seen about one year in forty. Rainfall compared with the long-run record for the same season at this point (Copernicus Global Drought Observatory, SPI-3 index −3.66). Rain, not storage. Brazil drought figures →
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 917 hm³ |
| Usable capacity | 151.62 hm³ |
| Primary use | Hydroelectric |
| Operator | ONS |
| River | SÃO FRANCISCO |
| Province | Alagoas |
| River basin | SAO FRANCISCO |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 9.356°S, 38.210°W · Open in Google Maps
About APOLONIO SALES
As of October 27, 2026, APOLONIO SALES is at 76.7% of useful capacity, holding 116.3 hm³ of 151.62 hm³. Of the 917 hm³ total capacity, that is 12.7%. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has risen by 3.1 percentage points, and it is 5.6 points above its level on the same date a year earlier.
Across the readings we hold for APOLONIO SALES — 65 data points between October 27, 2025 and October 27, 2026 — the level has ranged from a low of 64.5% (July 24, 2026) to a high of 87.7% (October 16, 2026). On average the reservoir is fullest around February and at its lowest around August.
It is operated by ONS primarily for hydroelectric power. It lies within the SAO FRANCISCO basin at 9.356°S, 38.210°W.
Key facts
- Current fill level
- 76.7% of useful capacity
- Water stored
- 116.3 hm³
- Total capacity
- 917 hm³
- Usable capacity
- 151.62 hm³
- 7-day change
- ▲ 3.1 pp
- Year-on-year
- ▲ 5.6 pp
- Primary use
- Hydroelectric power
- River
- SÃO FRANCISCO
- River basin
- SAO FRANCISCO
- Operator
- ONS
- Coordinates
- 9.356°S, 38.210°W
- Last updated
- October 27, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 27 Oct 2026 | 76.7% | 116.3 |
| 26 Oct 2026 | 77.7% | 117.8 |
| 25 Oct 2026 | 73.1% | 110.8 |
| 24 Oct 2026 | 65.5% | 99.3 |
| 23 Oct 2026 | 70.5% | 107 |
| 22 Oct 2026 | 67.0% | 101.6 |
| 21 Oct 2026 | 69.0% | 104.6 |
| 20 Oct 2026 | 73.6% | 111.6 |
| 19 Oct 2026 | 81.4% | 123.4 |
| 18 Oct 2026 | 79.8% | 121 |
| 17 Oct 2026 | 68.0% | 103.1 |
| 16 Oct 2026 | 87.7% | 132.9 |