Reservoir · Victoria · Australia · BOM Water Data Online
Lake William Hovell
101.7% full
Capacity
13.7 hm³
Volume stored
14 hm³
River
King River
Year completed
1973
Coordinates
36.924°S, 146.390°E
Last updated
2026-09-08
Current fill
101.7%vs 7 days ago
+0.4%gaining
vs 1 year ago
+0.6%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: 2026-09-08.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -36.924, 146.390 · Open in Google Maps
About Lake William Hovell
As of September 8, 2026, Lake William Hovell is filled to 101.7% of its total capacity, holding roughly 14 hm³ of water out of a maximum 14 hm³. At this level the reservoir is effectively full. Of that total, about 13 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (+0.4 pts), and it sits close to where it was a year earlier.
Across the readings we hold for Lake William Hovell — 1060 data points between September 10, 2023 and September 8, 2026 — the level has ranged from a low of 36.5% (June 7, 2025) to a high of 107.3% (August 10, 2026). On average the reservoir is fullest around August and at its lowest around May.
The dam at Lake William Hovell was completed in 1973. It is operated by BOM primarily for water supply. It lies within the King River Basin basin at 36.924°S, 146.390°E.
Key facts
- Current fill level
- 101.7%
- Water stored
- 14 hm³
- Total capacity
- 14 hm³
- Usable capacity
- 13 hm³
- 7-day change
- ▲ 0.4 pts
- Year-on-year
- ▲ 0.6 pts
- Primary use
- Water supply
- River
- King River
- River basin
- King River Basin
- Year completed
- 1973
- Operator
- BOM
- Coordinates
- 36.924°S, 146.390°E
- Last updated
- September 8, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 8 Sep 2026 | 101.7% | 14 |
| 7 Sep 2026 | 101.9% | 14 |
| 6 Sep 2026 | 102.0% | 14 |
| 5 Sep 2026 | 101.5% | 14 |
| 2 Sep 2026 | 101.2% | 14 |
| 1 Sep 2026 | 101.3% | 14 |
| 31 Aug 2026 | 101.4% | 14 |
| 30 Aug 2026 | 101.6% | 14 |
| 29 Aug 2026 | 101.8% | 14 |
| 28 Aug 2026 | 101.9% | 14 |
| 27 Aug 2026 | 102.1% | 14 |
| 26 Aug 2026 | 102.3% | 14 |