Reservoir · Victoria · Australia · BOM Water Data Online
Malmsbury
75.7% full
Capacity
12 hm³
Volume stored
9 hm³
River
Coliban river
Year completed
1874
Coordinates
37.213°S, 144.371°E
Last updated
2026-07-27
Current fill
75.7%vs 7 days ago
+1.3%gaining
vs 1 year ago
+51.9%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: 2026-07-27.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -37.213, 144.371 · Open in Google Maps
About Malmsbury
As of July 27, 2026, Malmsbury is filled to 75.7% of its total capacity, holding roughly 9 hm³ of water out of a maximum 12 hm³. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has held broadly steady (+1.3 pts), and it is 51.9 points above its level on the same date a year earlier.
Across the readings we hold for Malmsbury — 1081 data points between July 30, 2023 and July 27, 2026 — the level has ranged from a low of 12.3% (April 23, 2025) to a high of 104.1% (September 10, 2023). On average the reservoir is fullest around October and at its lowest around May.
The dam at Malmsbury was completed in 1874. It is operated by BOM primarily for water supply. It lies within the Coliban river Basin basin at 37.213°S, 144.371°E.
Key facts
- Current fill level
- 75.7%
- Water stored
- 9 hm³
- Total capacity
- 12 hm³
- 7-day change
- ▲ 1.3 pts
- Year-on-year
- ▲ 51.9 pts
- Primary use
- Water supply
- River
- Coliban river
- River basin
- Coliban river Basin
- Year completed
- 1874
- Operator
- BOM
- Coordinates
- 37.213°S, 144.371°E
- Last updated
- July 27, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 27 Jul 2026 | 75.7% | 9 |
| 26 Jul 2026 | 74.4% | 9 |
| 25 Jul 2026 | 73.2% | 9 |
| 24 Jul 2026 | 72.0% | 9 |
| 23 Jul 2026 | 70.7% | 9 |
| 22 Jul 2026 | 69.5% | 8 |
| 21 Jul 2026 | 68.4% | 8 |
| 20 Jul 2026 | 67.4% | 8 |
| 19 Jul 2026 | 66.5% | 8 |
| 18 Jul 2026 | 65.6% | 8 |
| 17 Jul 2026 | 64.6% | 8 |
| 16 Jul 2026 | 63.6% | 8 |
Frequently asked questions
What is the current water level of Malmsbury?
As of July 27, 2026, Malmsbury is at 75.7% of its capacity, holding approximately 9 hm³ of water, according to BOM data.
Is Malmsbury reservoir full?
No. As of July 27, 2026, Malmsbury is within its normal operating range at 75.7% of its capacity, so it is not full.
Is the water level at Malmsbury rising or falling?
The level at Malmsbury has been broadly stable over the latest week on record (+1.3 points).
How much water can Malmsbury hold?
Malmsbury has a total capacity of 12 hm³.
Where is Malmsbury reservoir located?
Malmsbury is located in Victoria, Australia, within the Coliban river Basin basin (coordinates 37.213°S, 144.371°E).
When was Malmsbury dam built?
The dam at Malmsbury was completed in 1874.
What is Malmsbury used for?
Malmsbury is used primarily for water supply, and is managed by BOM.