Reservoir · New South Wales · Australia · BOM Water Data Online
Cataract
79.5% full
Capacity
97.4 hm³
Volume stored
77 hm³
River
Cataract River
Year completed
1907
Coordinates
34.286°S, 150.868°E
Last updated
2026-07-29
Current fill
79.5%vs 7 days ago
-0.1%losing
vs 1 year ago
-9.9%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. -34.286, 150.868 · Open in Google Maps
About Cataract
As of July 29, 2026, Cataract is filled to 79.5% of its total capacity, holding roughly 77 hm³ of water out of a maximum 97 hm³. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has held broadly steady (-0.1 pts), and it is 9.9 points below its level on the same date a year earlier.
Across the readings we hold for Cataract — 1096 data points between July 30, 2023 and July 29, 2026 — the level has ranged from a low of 65.1% (November 2, 2023) to a high of 103.3% (August 21, 2025). On average the reservoir is fullest around June and at its lowest around December.
The dam at Cataract was completed in 1907. It is operated by BOM primarily for water supply. It lies within the Cataract River Basin basin at 34.286°S, 150.868°E.
Key facts
- Current fill level
- 79.5%
- Water stored
- 77 hm³
- Total capacity
- 97 hm³
- 7-day change
- ▼ 0.1 pts
- Year-on-year
- ▼ 9.9 pts
- Primary use
- Water supply
- River
- Cataract River
- River basin
- Cataract River Basin
- Year completed
- 1907
- Operator
- BOM
- Coordinates
- 34.286°S, 150.868°E
- Last updated
- July 29, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 29 Jul 2026 | 79.5% | 77 |
| 28 Jul 2026 | 79.6% | 78 |
| 27 Jul 2026 | 79.6% | 78 |
| 26 Jul 2026 | 79.7% | 78 |
| 25 Jul 2026 | 79.7% | 78 |
| 24 Jul 2026 | 79.7% | 78 |
| 23 Jul 2026 | 80.0% | 78 |
| 22 Jul 2026 | 80.4% | 78 |
| 21 Jul 2026 | 80.5% | 78 |
| 20 Jul 2026 | 80.5% | 78 |
| 19 Jul 2026 | 80.5% | 78 |
| 18 Jul 2026 | 80.5% | 78 |
Frequently asked questions
What is the current water level of Cataract?
As of July 29, 2026, Cataract is at 79.5% of its capacity, holding approximately 77 hm³ of water, according to BOM data.
Is Cataract reservoir full?
No. As of July 29, 2026, Cataract is within its normal operating range at 79.5% of its capacity, so it is not full.
Is the water level at Cataract rising or falling?
The level at Cataract has been broadly stable over the latest week on record (-0.1 points).
How much water can Cataract hold?
Cataract has a total capacity of 97 hm³.
Where is Cataract reservoir located?
Cataract is located in New South Wales, Australia, within the Cataract River Basin basin (coordinates 34.286°S, 150.868°E).
When was Cataract dam built?
The dam at Cataract was completed in 1907.
What is Cataract used for?
Cataract is used primarily for water supply, and is managed by BOM.