Reservoir · Victoria · Australia · BOM Water Data Online
Lake William Hovell
99.9% full
Capacity
13.7 hm³
Volume stored
14 hm³
River
King River
Year completed
1973
Coordinates
36.924°S, 146.390°E
Last updated
2026-10-26
Current fill
99.9%vs 7 days ago
+0.2 ppgaining
vs 1 year ago
-0.2 ppyear-over-year
7-day trend
→stable
Drought context
Storage vs October average
100%of normal
99.9% full on 2026-10-26, against an average of 99.9% for October across 4 years of readings (0.0 points).
Rain over the last three months · 11 October 2026
Near normal
In the three months to 11 October 2026 the area around Lake William Hovell 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 −0.25). 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. 36.924°S, 146.390°E · Open in Google Maps
About Lake William Hovell
As of October 26, 2026, Lake William Hovell is filled to 99.9% of its total capacity, holding 13.68 hm³ of water out of a maximum 13.7 hm³. At this level the reservoir is high. Of that total, 12.8 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (+0.2 pp), and it sits close to where it was a year earlier.
Across the readings we hold for Lake William Hovell — 1060 data points between October 28, 2023 and October 26, 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
- 99.9% of total capacity
- Water stored
- 13.68 hm³
- Total capacity
- 13.7 hm³
- Usable capacity
- 12.8 hm³
- 7-day change
- ▲ 0.2 pp
- Year-on-year
- ▼ 0.2 pp
- 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
- October 26, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 26 Oct 2026 | 99.9% | 13.68 |
| 25 Oct 2026 | 99.9% | 13.67 |
| 24 Oct 2026 | 99.8% | 13.67 |
| 23 Oct 2026 | 99.8% | 13.67 |
| 22 Oct 2026 | 99.8% | 13.66 |
| 21 Oct 2026 | 99.8% | 13.66 |
| 20 Oct 2026 | 99.8% | 13.66 |
| 19 Oct 2026 | 99.7% | 13.65 |
| 18 Oct 2026 | 99.8% | 13.66 |
| 17 Oct 2026 | 99.8% | 13.66 |
| 16 Oct 2026 | 99.9% | 13.67 |
| 15 Oct 2026 | 100.0% | 13.69 |