Reservoir · New South Wales · Australia · BOM Water Data Online
Gunidgera Weir
66.9% full
Capacity
1.9 hm³
Volume stored
1 hm³
Coordinates
30.198°S, 149.439°E
Last updated
2026-09-09
Current fill
66.9%vs 7 days ago
-15.3%losing
vs 1 year ago
-0.3%year-over-year
7-day trend
↓falling
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: 2026-09-09.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -30.198, 149.439 · Open in Google Maps
About Gunidgera Weir
As of September 9, 2026, Gunidgera Weir is filled to 66.9% of its total capacity, holding roughly 1 hm³ of water out of a maximum 2 hm³. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has fallen by 15.3 percentage points, and it sits close to where it was a year earlier.
Across the readings we hold for Gunidgera Weir — 1085 data points between September 11, 2023 and September 9, 2026 — the level has ranged from a low of 0.0% (May 30, 2024) to a high of 147.6% (August 26, 2025). On average the reservoir is fullest around January and at its lowest around May.
It is operated by BOM primarily for water supply.
Key facts
- Current fill level
- 66.9%
- Water stored
- 1 hm³
- Total capacity
- 2 hm³
- 7-day change
- ▼ 15.3 pts
- Year-on-year
- ▼ 0.3 pts
- Primary use
- Water supply
- Operator
- BOM
- Coordinates
- 30.198°S, 149.439°E
- Last updated
- September 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Sep 2026 | 66.9% | 1 |
| 8 Sep 2026 | 70.2% | 1 |
| 7 Sep 2026 | 74.0% | 1 |
| 6 Sep 2026 | 79.8% | 2 |
| 5 Sep 2026 | 84.2% | 2 |
| 4 Sep 2026 | 85.8% | 2 |
| 3 Sep 2026 | 84.9% | 2 |
| 2 Sep 2026 | 82.2% | 2 |
| 1 Sep 2026 | 79.8% | 2 |
| 31 Aug 2026 | 77.3% | 1 |
| 30 Aug 2026 | 76.5% | 1 |
| 29 Aug 2026 | 75.4% | 1 |