Reservoir · Western Australia · Australia · BOM Water Data Online
Wungong
50.6% full
Capacity
59.8 hm³
Volume stored
30 hm³
River
Wungong Brook
Year completed
1979
Coordinates
32.216°S, 116.077°E
Last updated
2026-10-10
Current fill
50.6%vs 7 days ago
-0.2%losing
vs 1 year ago
-5.8%year-over-year
7-day trend
→stable
Drought context
Storage vs October average
83%of normal
50.6% full on 2026-10-10, against an average of 61.2% for October across 4 years of readings (-10.6 points).
Rain over the last three months · 21 September 2026
Extremely dry
In the three months to 21 September 2026 the area around Wungong had extremely little rain for the season, a shortfall seen about one year in forty. Rainfall compared with the long-run record for the same season at this point (Copernicus Global Drought Observatory, SPI-3 index −2.23). 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: 2026-10-10.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -32.216, 116.077 · Open in Google Maps
About Wungong
As of October 10, 2026, Wungong is filled to 50.6% of its total capacity, holding roughly 30 hm³ of water out of a maximum 60 hm³. At this level the reservoir is within its normal operating range. Of that total, about 56 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (-0.2 pts), and it is 5.8 points below its level on the same date a year earlier.
Across the readings we hold for Wungong — 1075 data points between October 13, 2023 and October 10, 2026 — the level has ranged from a low of 46.7% (September 3, 2026) to a high of 77.5% (October 13, 2023). On average the reservoir is fullest around May and at its lowest around September.
The dam at Wungong was completed in 1979. It is operated by BOM primarily for water supply. It lies within the Wungong Brook Basin basin at 32.216°S, 116.077°E.
Key facts
- Current fill level
- 50.6%
- Water stored
- 30 hm³
- Total capacity
- 60 hm³
- Usable capacity
- 56 hm³
- 7-day change
- ▼ 0.2 pts
- Year-on-year
- ▼ 5.8 pts
- Primary use
- Water supply
- River
- Wungong Brook
- River basin
- Wungong Brook Basin
- Year completed
- 1979
- Operator
- BOM
- Coordinates
- 32.216°S, 116.077°E
- Last updated
- October 10, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 10 Oct 2026 | 50.6% | 30 |
| 9 Oct 2026 | 50.7% | 30 |
| 8 Oct 2026 | 50.7% | 30 |
| 7 Oct 2026 | 50.8% | 30 |
| 6 Oct 2026 | 50.8% | 30 |
| 5 Oct 2026 | 50.9% | 30 |
| 4 Oct 2026 | 50.9% | 30 |
| 3 Oct 2026 | 50.8% | 30 |
| 2 Oct 2026 | 50.7% | 30 |
| 1 Oct 2026 | 50.6% | 30 |
| 30 Sep 2026 | 50.5% | 30 |
| 29 Sep 2026 | 50.5% | 30 |