Reservoir · Victoria · Australia · BOM Water Data Online
Wilsons
55.7% full
Capacity
1 hm³
Volume stored
1 hm³
River
Lal Lal Creek
Year completed
1891
Coordinates
37.510°S, 144.019°E
Last updated
2026-07-28
Current fill
55.7%vs 7 days ago
+0.7%gaining
vs 1 year ago
+38.2%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: 2026-07-28.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -37.510, 144.019 · Open in Google Maps
About Wilsons
As of July 28, 2026, Wilsons is filled to 55.7% of its total capacity, holding roughly 1 hm³ of water out of a maximum 1 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 (+0.7 pts), and it is 38.2 points above its level on the same date a year earlier.
Across the readings we hold for Wilsons — 1080 data points between July 30, 2023 and July 28, 2026 — the level has ranged from a low of 0.0% (May 25, 2025) to a high of 55.7% (July 28, 2026). On average the reservoir is fullest around July and at its lowest around August.
The dam at Wilsons was completed in 1891. It is operated by BOM primarily for water supply. It lies within the Lal Lal Creek Basin basin at 37.510°S, 144.019°E.
Key facts
- Current fill level
- 55.7%
- Water stored
- 1 hm³
- Total capacity
- 1 hm³
- 7-day change
- ▲ 0.7 pts
- Year-on-year
- ▲ 38.2 pts
- Primary use
- Water supply
- River
- Lal Lal Creek
- River basin
- Lal Lal Creek Basin
- Year completed
- 1891
- Operator
- BOM
- Coordinates
- 37.510°S, 144.019°E
- Last updated
- July 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Jul 2026 | 55.7% | 1 |
| 27 Jul 2026 | 55.0% | 1 |
| 26 Jul 2026 | 54.3% | 1 |
| 25 Jul 2026 | 53.5% | 1 |
| 24 Jul 2026 | 52.7% | 1 |
| 23 Jul 2026 | 52.0% | 1 |
| 22 Jul 2026 | 51.3% | 1 |
| 21 Jul 2026 | 50.6% | 1 |
| 20 Jul 2026 | 49.9% | 1 |
| 19 Jul 2026 | 49.1% | 1 |
| 18 Jul 2026 | 48.4% | 0 |
| 17 Jul 2026 | 47.5% | 0 |
Frequently asked questions
What is the current water level of Wilsons?
As of July 28, 2026, Wilsons is at 55.7% of its capacity, holding approximately 1 hm³ of water, according to BOM data.
Is Wilsons reservoir full?
No. As of July 28, 2026, Wilsons is within its normal operating range at 55.7% of its capacity, so it is not full.
Is the water level at Wilsons rising or falling?
The level at Wilsons has been broadly stable over the latest week on record (+0.7 points).
How much water can Wilsons hold?
Wilsons has a total capacity of 1 hm³.
Where is Wilsons reservoir located?
Wilsons is located in Victoria, Australia, within the Lal Lal Creek Basin basin (coordinates 37.510°S, 144.019°E).
When was Wilsons dam built?
The dam at Wilsons was completed in 1891.
What is Wilsons used for?
Wilsons is used primarily for water supply, and is managed by BOM.