Reservoir · New South Wales · Australia · BOM Water Data Online
Woronora
91.7% full
Capacity
71.8 hm³
Volume stored
66 hm³
River
Woronora River
Year completed
1941
Coordinates
34.126°S, 150.927°E
Last updated
2026-10-26
Current fill
91.7%vs 7 days ago
-0.1 pplosing
vs 1 year ago
-7.7 ppyear-over-year
7-day trend
→stable
Drought context
Storage vs October average
95%of normal
91.7% full on 2026-10-26, against an average of 96.5% for October across 4 years of readings (-4.8 points).
Rain over the last three months · 11 October 2026
Near normal
In the three months to 11 October 2026 the area around Woronora had rain close to normal for the season. Rainfall compared with the long-run record for the same season at this point (Copernicus Global Drought Observatory, SPI-3 index −0.38). Rain, not storage. Australia drought figures →
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: 2026-10-26.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 34.126°S, 150.927°E · Open in Google Maps
About Woronora
As of October 26, 2026, Woronora is filled to 91.7% of its total capacity, holding 65.87 hm³ of water out of a maximum 71.8 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (-0.1 pp), and it is 7.7 points below its level on the same date a year earlier.
Across the readings we hold for Woronora — 1095 data points between October 28, 2023 and October 26, 2026 — the level has ranged from a low of 89.8% (April 3, 2024) to a high of 102.2% (June 7, 2024). On average the reservoir is fullest around June and at its lowest around March.
The dam at Woronora was completed in 1941. It is operated by BOM primarily for water supply. It lies within the Woronora River Basin basin at 34.126°S, 150.927°E.
Key facts
- Current fill level
- 91.7% of total capacity
- Water stored
- 65.87 hm³
- Total capacity
- 71.8 hm³
- 7-day change
- ▼ 0.1 pp
- Year-on-year
- ▼ 7.7 pp
- Primary use
- Water supply
- River
- Woronora River
- River basin
- Woronora River Basin
- Year completed
- 1941
- Operator
- BOM
- Coordinates
- 34.126°S, 150.927°E
- Last updated
- October 26, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 26 Oct 2026 | 91.7% | 65.87 |
| 25 Oct 2026 | 91.8% | 65.88 |
| 24 Oct 2026 | 91.8% | 65.9 |
| 23 Oct 2026 | 91.8% | 65.9 |
| 22 Oct 2026 | 91.7% | 65.85 |
| 21 Oct 2026 | 91.7% | 65.84 |
| 20 Oct 2026 | 91.7% | 65.86 |
| 19 Oct 2026 | 91.8% | 65.88 |
| 18 Oct 2026 | 91.8% | 65.9 |
| 17 Oct 2026 | 91.8% | 65.91 |
| 16 Oct 2026 | 91.8% | 65.91 |
| 15 Oct 2026 | 91.8% | 65.87 |