Reservoir · New South Wales · Australia · BOM Water Data Online
Woronora
94.0% full
Capacity
71.8 hm³
Volume stored
68 hm³
River
Woronora River
Year completed
1941
Coordinates
34.126°S, 150.927°E
Last updated
2026-07-29
Current fill
94.0%vs 7 days ago
-0.1%losing
vs 1 year ago
-1.8%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: 2026-07-29.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -34.126, 150.927 · Open in Google Maps
About Woronora
As of July 29, 2026, Woronora is filled to 94.0% of its total capacity, holding roughly 68 hm³ of water out of a maximum 72 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (-0.1 pts), and it is 1.8 points below its level on the same date a year earlier.
Across the readings we hold for Woronora — 1096 data points between July 30, 2023 and July 29, 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 August 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
- 94.0%
- Water stored
- 68 hm³
- Total capacity
- 72 hm³
- 7-day change
- ▼ 0.1 pts
- Year-on-year
- ▼ 1.8 pts
- 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
- July 29, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 29 Jul 2026 | 94.0% | 67 |
| 28 Jul 2026 | 94.1% | 68 |
| 27 Jul 2026 | 94.2% | 68 |
| 26 Jul 2026 | 94.2% | 68 |
| 25 Jul 2026 | 94.3% | 68 |
| 24 Jul 2026 | 94.3% | 68 |
| 23 Jul 2026 | 94.4% | 68 |
| 22 Jul 2026 | 94.4% | 68 |
| 21 Jul 2026 | 94.5% | 68 |
| 20 Jul 2026 | 94.5% | 68 |
| 19 Jul 2026 | 94.5% | 68 |
| 18 Jul 2026 | 94.6% | 68 |
Frequently asked questions
What is the current water level of Woronora?
As of July 29, 2026, Woronora is at 94.0% of its capacity, holding approximately 68 hm³ of water, according to BOM data.
Is Woronora reservoir full?
No. As of July 29, 2026, Woronora is high at 94.0% of its capacity, so it is not full.
Is the water level at Woronora rising or falling?
The level at Woronora has been broadly stable over the latest week on record (-0.1 points).
How much water can Woronora hold?
Woronora has a total capacity of 72 hm³.
Where is Woronora reservoir located?
Woronora is located in New South Wales, Australia, within the Woronora River Basin basin (coordinates 34.126°S, 150.927°E).
When was Woronora dam built?
The dam at Woronora was completed in 1941.
What is Woronora used for?
Woronora is used primarily for water supply, and is managed by BOM.