Reservoir · Victoria · Australia · BOM Water Data Online
Silvan
88.3% full
Capacity
40.6 hm³
Volume stored
36 hm³
River
Off-stream
Year completed
1932
Coordinates
37.843°S, 145.413°E
Last updated
2026-09-08
Current fill
88.3%vs 7 days ago
-0.6%losing
vs 1 year ago
+0.5%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. -37.843, 145.413 · Open in Google Maps
About Silvan
As of September 8, 2026, Silvan is filled to 88.3% of its total capacity, holding roughly 36 hm³ of water out of a maximum 41 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (-0.6 pts), and it sits close to where it was a year earlier.
Across the readings we hold for Silvan — 1062 data points between September 11, 2023 and September 8, 2026 — the level has ranged from a low of 80.3% (November 23, 2023) to a high of 89.8% (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 BOM primarily for water supply. It lies within the Off-stream Basin basin at 37.843°S, 145.413°E.
Key facts
- Current fill level
- 88.3%
- Water stored
- 36 hm³
- Total capacity
- 41 hm³
- 7-day change
- ▼ 0.6 pts
- Year-on-year
- ▲ 0.5 pts
- Primary use
- Water supply
- River
- Off-stream
- River basin
- Off-stream Basin
- Year completed
- 1932
- Operator
- BOM
- Coordinates
- 37.843°S, 145.413°E
- Last updated
- September 8, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 8 Sep 2026 | 88.3% | 36 |
| 7 Sep 2026 | 88.5% | 36 |
| 6 Sep 2026 | 88.7% | 36 |
| 5 Sep 2026 | 88.7% | 36 |
| 4 Sep 2026 | 88.6% | 36 |
| 3 Sep 2026 | 88.7% | 36 |
| 2 Sep 2026 | 88.8% | 36 |
| 1 Sep 2026 | 88.9% | 36 |
| 31 Aug 2026 | 89.0% | 36 |
| 30 Aug 2026 | 89.1% | 36 |
| 29 Aug 2026 | 89.1% | 36 |
| 28 Aug 2026 | 89.1% | 36 |