Reservoir · South Australia · Australia · BOM Water Data Online
Barossa
91.4% full
Capacity
4.4 hm³
Volume stored
4 hm³
River
Off-stream
Year completed
1902
Coordinates
34.652°S, 138.848°E
Last updated
2026-10-10
Current fill
91.4%vs 7 days ago
-1.8%losing
vs 1 year ago
-1.4%year-over-year
7-day trend
↓falling
Drought context
Storage vs October average
99%of normal
91.4% full on 2026-10-10, against an average of 92.6% for October across 4 years of readings (-1.2 points).
Rain over the last three months · 21 September 2026
Near normal
In the three months to 21 September 2026 the area around Barossa had rain close to normal for the season. Rainfall compared with the long-run record for the same season at this point (Copernicus Global Drought Observatory, SPI-3 index −0.09). Rain, not storage. Australia drought figures →
Data source: Bureau of Meteorology — Water Data Online (KiWIS) — daily mean storage volume, quality-controlled. Capacity from the BOM Water Storages ArcGIS layer (total design capacity in ML). Last reading: 2026-10-10.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -34.652, 138.848 · Open in Google Maps
About Barossa
As of October 10, 2026, Barossa is filled to 91.4% of its total capacity, holding roughly 4 hm³ of water out of a maximum 4 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has fallen by 1.8 percentage points, and it is 1.4 points below its level on the same date a year earlier.
Across the readings we hold for Barossa — 1091 data points between October 15, 2023 and October 10, 2026 — the level has ranged from a low of 84.6% (June 12, 2026) to a high of 95.9% (August 10, 2026). On average the reservoir is fullest around July and at its lowest around June.
The dam at Barossa was completed in 1902. It is operated by BOM primarily for water supply. It lies within the Off-stream Basin basin at 34.652°S, 138.848°E.
Key facts
- Current fill level
- 91.4%
- Water stored
- 4 hm³
- Total capacity
- 4 hm³
- 7-day change
- ▼ 1.8 pts
- Year-on-year
- ▼ 1.4 pts
- Primary use
- Water supply
- River
- Off-stream
- River basin
- Off-stream Basin
- Year completed
- 1902
- Operator
- BOM
- Coordinates
- 34.652°S, 138.848°E
- Last updated
- October 10, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 10 Oct 2026 | 91.4% | 4 |
| 9 Oct 2026 | 92.1% | 4 |
| 8 Oct 2026 | 92.8% | 4 |
| 7 Oct 2026 | 93.6% | 4 |
| 6 Oct 2026 | 94.3% | 4 |
| 5 Oct 2026 | 94.4% | 4 |
| 4 Oct 2026 | 93.8% | 4 |
| 3 Oct 2026 | 93.2% | 4 |
| 2 Oct 2026 | 92.7% | 4 |
| 1 Oct 2026 | 92.1% | 4 |
| 30 Sep 2026 | 91.5% | 4 |
| 29 Sep 2026 | 91.3% | 4 |