Reservoir · New South Wales · Australia · BOM Water Data Online
Split Rock
92.2% full
Capacity
397.4 hm³
Volume stored
366 hm³
Coordinates
30.539°S, 150.676°E
Last updated
2026-07-29
Current fill
92.2%vs 7 days ago
0.0%stable
vs 1 year ago
-1.1%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. -30.539, 150.676 · Open in Google Maps
About Split Rock
As of July 29, 2026, Split Rock is filled to 92.2% of its total capacity, holding roughly 366 hm³ of water out of a maximum 397 hm³. At this level the reservoir is high. Of that total, about 394 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (+0.0 pts), and it is 1.1 points below its level on the same date a year earlier.
Across the readings we hold for Split Rock — 1096 data points between July 30, 2023 and July 29, 2026 — the level has ranged from a low of 69.4% (March 19, 2025) to a high of 101.0% (August 24, 2025). On average the reservoir is fullest around September and at its lowest around March.
It is operated by BOM primarily for water supply.
Key facts
- Current fill level
- 92.2%
- Water stored
- 366 hm³
- Total capacity
- 397 hm³
- Usable capacity
- 394 hm³
- 7-day change
- No change
- Year-on-year
- ▼ 1.1 pts
- Primary use
- Water supply
- Operator
- BOM
- Coordinates
- 30.539°S, 150.676°E
- Last updated
- July 29, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 29 Jul 2026 | 92.2% | 366 |
| 28 Jul 2026 | 92.2% | 366 |
| 27 Jul 2026 | 92.2% | 367 |
| 26 Jul 2026 | 92.3% | 367 |
| 25 Jul 2026 | 92.3% | 367 |
| 24 Jul 2026 | 92.3% | 367 |
| 23 Jul 2026 | 92.4% | 367 |
| 22 Jul 2026 | 92.4% | 367 |
| 21 Jul 2026 | 92.4% | 367 |
| 20 Jul 2026 | 92.4% | 367 |
| 19 Jul 2026 | 92.4% | 367 |
| 18 Jul 2026 | 92.5% | 367 |
Frequently asked questions
What is the current water level of Split Rock?
As of July 29, 2026, Split Rock is at 92.2% of its capacity, holding approximately 366 hm³ of water, according to BOM data.
Is Split Rock reservoir full?
No. As of July 29, 2026, Split Rock is high at 92.2% of its capacity, so it is not full.
Is the water level at Split Rock rising or falling?
The level at Split Rock has been broadly stable over the latest week on record (0.0 points).
How much water can Split Rock hold?
Split Rock has a total capacity of 397 hm³, of which about 394 hm³ is usable storage.
Where is Split Rock reservoir located?
Split Rock is located in New South Wales, Australia (coordinates 30.539°S, 150.676°E).
What is Split Rock used for?
Split Rock is used primarily for water supply, and is managed by BOM.