Reservoir · New South Wales and Victoria · Australia · BOM Water Data Online
Yarrawonga Weir
93.4% full
Capacity
117.5 hm³
Volume stored
110 hm³
River
River Murray
Year completed
1939
Coordinates
36.000°S, 146.072°E
Last updated
2026-10-26
Current fill
93.4%vs 7 days ago
+0.7 ppgaining
vs 1 year ago
-2.8 ppyear-over-year
7-day trend
→stable
Drought context
Storage vs October average
99%of normal
93.4% full on 2026-10-26, against an average of 93.9% for October across 4 years of readings (-0.5 points).
Rain over the last three months · 11 October 2026
Near normal
In the three months to 11 October 2026 the area around Yarrawonga Weir 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 +0.03). 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: 2026-10-26.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 36.000°S, 146.072°E · Open in Google Maps
About Yarrawonga Weir
As of October 26, 2026, Yarrawonga Weir is filled to 93.4% of its total capacity, holding 109.76 hm³ of water out of a maximum 117.5 hm³. At this level the reservoir is high. Of that total, 95.2 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (+0.7 pp), and it is 2.8 points below its level on the same date a year earlier.
Across the readings we hold for Yarrawonga Weir — 1062 data points between October 28, 2023 and October 26, 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
- 93.4% of total capacity
- Water stored
- 109.76 hm³
- Total capacity
- 117.5 hm³
- Usable capacity
- 95.2 hm³
- 7-day change
- ▲ 0.7 pp
- Year-on-year
- ▼ 2.8 pp
- 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
- October 26, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 26 Oct 2026 | 93.4% | 109.76 |
| 25 Oct 2026 | 92.7% | 108.97 |
| 24 Oct 2026 | 92.7% | 108.89 |
| 23 Oct 2026 | 92.6% | 108.8 |
| 22 Oct 2026 | 92.9% | 109.12 |
| 21 Oct 2026 | 93.0% | 109.3 |
| 20 Oct 2026 | 93.0% | 109.24 |
| 19 Oct 2026 | 92.7% | 108.89 |
| 18 Oct 2026 | 92.3% | 108.4 |
| 17 Oct 2026 | 91.9% | 108.03 |
| 16 Oct 2026 | 91.5% | 107.53 |
| 15 Oct 2026 | 91.3% | 107.27 |