Reservoir · Victoria · Australia · BOM Water Data Online
Lake Buffalo
64.8% full
Capacity
23.5 hm³
Volume stored
15 hm³
River
Buffalo River
Year completed
1965
Coordinates
36.731°S, 146.659°E
Last updated
2026-08-18
Current fill
64.8%vs 7 days ago
0.0%stable
vs 1 year ago
-15.7%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: 2026-08-18.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -36.731, 146.659 · Open in Google Maps
About Lake Buffalo
As of August 18, 2026, Lake Buffalo is filled to 64.8% of its total capacity, holding roughly 15 hm³ of water out of a maximum 24 hm³. At this level the reservoir is within its normal operating range. Of that total, about 20 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (+0.0 pts), and it is 15.7 points below its level on the same date a year earlier.
Across the readings we hold for Lake Buffalo — 56 data points between November 21, 2023 and August 18, 2026 — the level has ranged from a low of 53.3% (June 2, 2024) to a high of 99.1% (November 21, 2023).
The dam at Lake Buffalo was completed in 1965. It is operated by BOM primarily for water supply. It lies within the Buffalo River Basin basin at 36.731°S, 146.659°E.
Key facts
- Current fill level
- 64.8%
- Water stored
- 15 hm³
- Total capacity
- 24 hm³
- Usable capacity
- 20 hm³
- 7-day change
- No change
- Year-on-year
- ▼ 15.7 pts
- Primary use
- Water supply
- River
- Buffalo River
- River basin
- Buffalo River Basin
- Year completed
- 1965
- Operator
- BOM
- Coordinates
- 36.731°S, 146.659°E
- Last updated
- August 18, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 18 Aug 2026 | 64.8% | 15 |
| 10 Aug 2025 | 80.5% | 19 |
| 9 Aug 2025 | 80.3% | 19 |
| 8 Aug 2025 | 80.1% | 19 |
| 7 Aug 2025 | 79.9% | 19 |
| 17 Oct 2024 | 89.3% | 21 |
| 16 Oct 2024 | 92.9% | 22 |
| 15 Oct 2024 | 90.5% | 21 |
| 14 Oct 2024 | 89.3% | 21 |
| 13 Oct 2024 | 89.3% | 21 |
| 12 Oct 2024 | 89.3% | 21 |
| 11 Oct 2024 | 89.3% | 21 |