Reservoir · Victoria · Australia · Melbourne Water
Silvan
89.1% full
Capacity
40.445 hm³
Volume stored
36 hm³
River
Off-stream
Year completed
1932
Coordinates
37.843°S, 145.413°E
Last updated
2026-10-28
Current fill
89.1%vs 7 days ago
+1.0 ppgaining
vs 1 year ago
+0.6 ppyear-over-year
7-day trend
↑rising
Drought context
Storage vs October average
102%of normal
89.1% full on 2026-10-28, against an average of 87.7% for October across 4 years of readings (+1.4 points).
Rain over the last three months · 11 October 2026
Near normal
In the three months to 11 October 2026 the area around Silvan 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 −0.42). Rain, not storage. Australia drought figures →
Data source: Melbourne Water daily storage — reference capacity and stored volume. Earlier daily volumes in the chart are Bureau of Meteorology readings, recomputed against that capacity. Last reading: 2026-10-28.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 37.843°S, 145.413°E · Open in Google Maps
About Silvan
As of October 28, 2026, Silvan is filled to 89.1% of its total capacity, holding 36.025 hm³ of water out of a maximum 40.445 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has risen by 1.0 percentage points, and it sits close to where it was a year earlier.
Across the readings we hold for Silvan — 1065 data points between October 28, 2023 and October 28, 2026 — the level has ranged from a low of 80.6% (November 23, 2023) to a high of 90.1% (August 1, 2026). On average the reservoir is fullest around April and at its lowest around November.
The dam at Silvan was completed in 1932. It is operated by Melbourne Water primarily for water supply. It lies within the Off-stream Basin basin at 37.843°S, 145.413°E.
Key facts
- Current fill level
- 89.1% of total capacity
- Water stored
- 36.025 hm³
- Total capacity
- 40.445 hm³
- 7-day change
- ▲ 1.0 pp
- Year-on-year
- ▲ 0.6 pp
- Primary use
- Water supply
- River
- Off-stream
- River basin
- Off-stream Basin
- Year completed
- 1932
- Operator
- Melbourne Water
- Coordinates
- 37.843°S, 145.413°E
- Last updated
- October 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Oct 2026 | 89.1% | 36.025 |
| 27 Oct 2026 | 88.8% | 35.928 |
| 26 Oct 2026 | 88.7% | 35.888 |
| 25 Oct 2026 | 88.3% | 35.73 |
| 24 Oct 2026 | 88.2% | 35.668 |
| 23 Oct 2026 | 88.2% | 35.668 |
| 22 Oct 2026 | 88.2% | 35.658 |
| 21 Oct 2026 | 88.1% | 35.65 |
| 20 Oct 2026 | 88.2% | 35.67 |
| 19 Oct 2026 | 88.1% | 35.65 |
| 18 Oct 2026 | 88.1% | 35.62 |
| 17 Oct 2026 | 88.0% | 35.58 |