Reservoir · Victoria · Australia · BOM Water Data Online
Waranga Basin
95.5% full
Capacity
432.4 hm³
Volume stored
413 hm³
River
Off-stream
Year completed
1915
Coordinates
36.555°S, 145.097°E
Last updated
2026-10-11
Current fill
95.5%vs 7 days ago
+1.4%gaining
vs 1 year ago
+42.0%year-over-year
7-day trend
→stable
Drought context
Storage vs October average
137%of normal
95.5% full on 2026-10-11, against an average of 69.8% for October across 4 years of readings (+25.7 points).
Rain over the last three months · 21 September 2026
Near normal
In the three months to 21 September 2026 the area around Waranga Basin 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 +0.10). 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: 2026-10-11.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -36.555, 145.097 · Open in Google Maps
About Waranga Basin
As of October 11, 2026, Waranga Basin is filled to 95.5% of its total capacity, holding roughly 413 hm³ of water out of a maximum 432 hm³. At this level the reservoir is high. Of that total, about 306 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (+1.4 pts), and it is 42.0 points above its level on the same date a year earlier.
Across the readings we hold for Waranga Basin — 1057 data points between October 13, 2023 and October 11, 2026 — the level has ranged from a low of 38.1% (May 14, 2025) to a high of 97.2% (October 26, 2023). On average the reservoir is fullest around August and at its lowest around May.
The dam at Waranga Basin was completed in 1915. It is operated by BOM primarily for water supply. It lies within the Off-stream Basin basin at 36.555°S, 145.097°E.
Key facts
- Current fill level
- 95.5%
- Water stored
- 413 hm³
- Total capacity
- 432 hm³
- Usable capacity
- 306 hm³
- 7-day change
- ▲ 1.4 pts
- Year-on-year
- ▲ 42.0 pts
- Primary use
- Water supply
- River
- Off-stream
- River basin
- Off-stream Basin
- Year completed
- 1915
- Operator
- BOM
- Coordinates
- 36.555°S, 145.097°E
- Last updated
- October 11, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 11 Oct 2026 | 95.5% | 413 |
| 10 Oct 2026 | 95.4% | 412 |
| 9 Oct 2026 | 95.5% | 413 |
| 8 Oct 2026 | 95.5% | 413 |
| 7 Oct 2026 | 95.5% | 413 |
| 6 Oct 2026 | 95.3% | 412 |
| 5 Oct 2026 | 94.7% | 409 |
| 4 Oct 2026 | 94.1% | 407 |
| 3 Oct 2026 | 93.9% | 406 |
| 2 Oct 2026 | 93.2% | 403 |
| 1 Oct 2026 | 92.4% | 400 |
| 30 Sep 2026 | 92.3% | 399 |