Reservoir · New South Wales · Australia · BOM Water Data Online
Lake Cargelligo
100.5% full
Capacity
36.5 hm³
Volume stored
37 hm³
Coordinates
33.287°S, 146.409°E
Last updated
2026-09-08
Current fill
100.5%vs 7 days ago
+4.4%gaining
vs 1 year ago
+40.9%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: 2026-09-08.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -33.287, 146.409 · Open in Google Maps
About Lake Cargelligo
As of September 8, 2026, Lake Cargelligo is filled to 100.5% of its total capacity, holding roughly 37 hm³ of water out of a maximum 37 hm³. At this level the reservoir is effectively full. Of that total, about 30 hm³ is usable (live) storage.
Over the most recent week on record the fill level has risen by 4.4 percentage points, and it is 40.9 points above its level on the same date a year earlier.
Across the readings we hold for Lake Cargelligo — 1095 data points between September 10, 2023 and September 8, 2026 — the level has ranged from a low of 55.0% (February 3, 2026) to a high of 100.5% (September 8, 2026). On average the reservoir is fullest around April and at its lowest around February.
It is operated by BOM primarily for water supply.
Key facts
- Current fill level
- 100.5%
- Water stored
- 37 hm³
- Total capacity
- 37 hm³
- Usable capacity
- 30 hm³
- 7-day change
- ▲ 4.4 pts
- Year-on-year
- ▲ 40.9 pts
- Primary use
- Water supply
- Operator
- BOM
- Coordinates
- 33.287°S, 146.409°E
- Last updated
- September 8, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 8 Sep 2026 | 100.5% | 37 |
| 7 Sep 2026 | 99.5% | 36 |
| 6 Sep 2026 | 97.8% | 36 |
| 5 Sep 2026 | 96.1% | 35 |
| 4 Sep 2026 | 94.6% | 35 |
| 3 Sep 2026 | 94.3% | 34 |
| 2 Sep 2026 | 95.2% | 35 |
| 1 Sep 2026 | 96.1% | 35 |
| 31 Aug 2026 | 96.9% | 35 |
| 30 Aug 2026 | 97.8% | 36 |
| 29 Aug 2026 | 98.6% | 36 |
| 28 Aug 2026 | 99.5% | 36 |