Reservoir · Western Australia · Australia · BOM Water Data Online
Wungong
49.6% full
Capacity
59.8 hm³
Volume stored
30 hm³
River
Wungong Brook
Year completed
1979
Coordinates
32.216°S, 116.077°E
Last updated
2026-10-24
Current fill
49.6%vs 7 days ago
-0.5 pplosing
vs 1 year ago
-5.5 ppyear-over-year
7-day trend
→stable
Drought context
Storage vs October average
87%of normal
49.6% full on 2026-10-24, against an average of 56.9% for October across 4 years of readings (-7.3 points).
Rain over the last three months · 11 October 2026
Severely dry
In the three months to 11 October 2026 the area around Wungong had far less rain than normal, a shortfall seen about one year in fifteen. Rainfall compared with the long-run record for the same season at this point (Copernicus Global Drought Observatory, SPI-3 index −1.52). 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: 2026-10-24.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 32.216°S, 116.077°E · Open in Google Maps
About Wungong
As of October 24, 2026, Wungong is filled to 49.6% of its total capacity, holding 29.68 hm³ of water out of a maximum 59.8 hm³. At this level the reservoir is within its normal operating range. Of that total, 56.4 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (-0.5 pp), and it is 5.5 points below its level on the same date a year earlier.
Across the readings we hold for Wungong — 1074 data points between October 28, 2023 and October 24, 2026 — the level has ranged from a low of 46.7% (September 3, 2026) to a high of 74.9% (October 28, 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
- 49.6% of total capacity
- Water stored
- 29.68 hm³
- Total capacity
- 59.8 hm³
- Usable capacity
- 56.4 hm³
- 7-day change
- ▼ 0.5 pp
- Year-on-year
- ▼ 5.5 pp
- 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 24, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 24 Oct 2026 | 49.6% | 29.68 |
| 23 Oct 2026 | 49.7% | 29.72 |
| 22 Oct 2026 | 49.8% | 29.76 |
| 21 Oct 2026 | 49.8% | 29.8 |
| 20 Oct 2026 | 49.9% | 29.85 |
| 19 Oct 2026 | 50.0% | 29.89 |
| 18 Oct 2026 | 50.1% | 29.93 |
| 17 Oct 2026 | 50.1% | 29.97 |
| 16 Oct 2026 | 50.2% | 30.01 |
| 15 Oct 2026 | 50.3% | 30.07 |
| 14 Oct 2026 | 50.4% | 30.11 |
| 13 Oct 2026 | 50.4% | 30.12 |