Reservoir · Victoria · Australia · BOM Water Data Online
Lake Fyans
97.5% full
Capacity
18.5 hm³
Volume stored
18 hm³
River
Off-stream (from Fyans Creek)
Year completed
1916
Coordinates
37.138°S, 142.623°E
Last updated
2026-09-10
Current fill
97.5%vs 7 days ago
+1.9%gaining
vs 1 year ago
+19.3%year-over-year
7-day trend
↑rising
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: 2026-09-10.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -37.138, 142.623 · Open in Google Maps
About Lake Fyans
As of September 10, 2026, Lake Fyans is filled to 97.5% of its total capacity, holding roughly 18 hm³ of water out of a maximum 19 hm³. At this level the reservoir is high. Of that total, about 18 hm³ is usable (live) storage.
Over the most recent week on record the fill level has risen by 1.9 percentage points, and it is 19.3 points above its level on the same date a year earlier.
Across the readings we hold for Lake Fyans — 1096 data points between September 11, 2023 and September 10, 2026 — the level has ranged from a low of 61.8% (February 27, 2025) to a high of 98.3% (September 11, 2023). On average the reservoir is fullest around October and at its lowest around May.
The dam at Lake Fyans was completed in 1916. It is operated by BOM primarily for water supply. It lies within the Off-stream (from Fyans Creek) Basin basin at 37.138°S, 142.623°E.
Key facts
- Current fill level
- 97.5%
- Water stored
- 18 hm³
- Total capacity
- 19 hm³
- Usable capacity
- 18 hm³
- 7-day change
- ▲ 1.9 pts
- Year-on-year
- ▲ 19.3 pts
- Primary use
- Water supply
- River
- Off-stream (from Fyans Creek)
- River basin
- Off-stream (from Fyans Creek) Basin
- Year completed
- 1916
- Operator
- BOM
- Coordinates
- 37.138°S, 142.623°E
- Last updated
- September 10, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 10 Sep 2026 | 97.5% | 18 |
| 9 Sep 2026 | 97.5% | 18 |
| 8 Sep 2026 | 97.4% | 18 |
| 7 Sep 2026 | 97.2% | 18 |
| 6 Sep 2026 | 96.9% | 18 |
| 5 Sep 2026 | 96.3% | 18 |
| 4 Sep 2026 | 95.7% | 18 |
| 3 Sep 2026 | 95.6% | 18 |
| 2 Sep 2026 | 95.5% | 18 |
| 1 Sep 2026 | 95.4% | 18 |
| 31 Aug 2026 | 95.2% | 18 |
| 30 Aug 2026 | 95.1% | 18 |