Reservoir · Victoria · Australia · BOM Water Data Online
Lauriston
98.5% full
Capacity
19.8 hm³
Volume stored
20 hm³
River
Coliban river
Year completed
1941
Coordinates
37.257°S, 144.383°E
Last updated
2026-10-10
Current fill
98.5%vs 7 days ago
-0.2%losing
vs 1 year ago
+10.0%year-over-year
7-day trend
→stable
Drought context
Storage vs October average
111%of normal
98.5% full on 2026-10-10, against an average of 88.7% for October across 4 years of readings (+9.8 points).
Rain over the last three months · 21 September 2026
Near normal
In the three months to 21 September 2026 the area around Lauriston 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 −0.09). 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: 2026-10-10.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -37.257, 144.383 · Open in Google Maps
About Lauriston
As of October 10, 2026, Lauriston is filled to 98.5% of its total capacity, holding roughly 20 hm³ of water out of a maximum 20 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (-0.2 pts), and it is 10.0 points above its level on the same date a year earlier.
Across the readings we hold for Lauriston — 1080 data points between October 13, 2023 and October 10, 2026 — the level has ranged from a low of 69.7% (July 21, 2025) to a high of 99.8% (October 15, 2023). On average the reservoir is fullest around January and at its lowest around June.
The dam at Lauriston was completed in 1941. It is operated by BOM primarily for water supply. It lies within the Coliban river Basin basin at 37.257°S, 144.383°E.
Key facts
- Current fill level
- 98.5%
- Water stored
- 20 hm³
- Total capacity
- 20 hm³
- 7-day change
- ▼ 0.2 pts
- Year-on-year
- ▲ 10.0 pts
- Primary use
- Water supply
- River
- Coliban river
- River basin
- Coliban river Basin
- Year completed
- 1941
- Operator
- BOM
- Coordinates
- 37.257°S, 144.383°E
- Last updated
- October 10, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 10 Oct 2026 | 98.5% | 20 |
| 9 Oct 2026 | 98.2% | 19 |
| 8 Oct 2026 | 98.0% | 19 |
| 7 Oct 2026 | 98.1% | 19 |
| 6 Oct 2026 | 98.2% | 19 |
| 5 Oct 2026 | 98.4% | 19 |
| 4 Oct 2026 | 98.8% | 20 |
| 3 Oct 2026 | 98.7% | 20 |
| 2 Oct 2026 | 97.9% | 19 |
| 1 Oct 2026 | 97.5% | 19 |
| 30 Sep 2026 | 97.7% | 19 |
| 29 Sep 2026 | 97.9% | 19 |