Reservoir · New South Wales and Victoria · Australia · BOM Water Data Online
Yarrawonga Weir
93.9% full
Capacity
117.5 hm³
Volume stored
110 hm³
River
River Murray
Year completed
1939
Coordinates
36.000°S, 146.072°E
Last updated
2026-09-09
Current fill
93.9%vs 7 days ago
-0.3%losing
vs 1 year ago
0.0%year-over-year
7-day trend
→stable
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: 2026-09-09.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -36.000, 146.072 · Open in Google Maps
About Yarrawonga Weir
As of September 9, 2026, Yarrawonga Weir is filled to 93.9% of its total capacity, holding roughly 110 hm³ of water out of a maximum 118 hm³. At this level the reservoir is high. Of that total, about 95 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (-0.3 pts), and it sits close to where it was a year earlier.
Across the readings we hold for Yarrawonga Weir — 1062 data points between September 11, 2023 and September 9, 2026 — the level has ranged from a low of 44.1% (June 17, 2024) to a high of 101.5% (March 24, 2025). On average the reservoir is fullest around January and at its lowest around June.
The dam at Yarrawonga Weir was completed in 1939. It is operated by BOM primarily for water supply. It lies within the River Murray Basin basin at 36.000°S, 146.072°E.
Key facts
- Current fill level
- 93.9%
- Water stored
- 110 hm³
- Total capacity
- 118 hm³
- Usable capacity
- 95 hm³
- 7-day change
- ▼ 0.3 pts
- Year-on-year
- No change
- Primary use
- Water supply
- River
- River Murray
- River basin
- River Murray Basin
- Year completed
- 1939
- Operator
- BOM
- Coordinates
- 36.000°S, 146.072°E
- Last updated
- September 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Sep 2026 | 93.9% | 110 |
| 8 Sep 2026 | 93.8% | 110 |
| 7 Sep 2026 | 93.4% | 110 |
| 6 Sep 2026 | 93.9% | 110 |
| 5 Sep 2026 | 93.9% | 110 |
| 2 Sep 2026 | 94.2% | 111 |
| 1 Sep 2026 | 94.4% | 111 |
| 31 Aug 2026 | 94.2% | 111 |
| 30 Aug 2026 | 93.3% | 110 |
| 29 Aug 2026 | 92.7% | 109 |
| 28 Aug 2026 | 93.5% | 110 |
| 27 Aug 2026 | 92.4% | 109 |