Reservoir · New South Wales · Australia · BOM Water Data Online
Split Rock
86.1% full
Capacity
397.4 hm³
Volume stored
342 hm³
Coordinates
30.539°S, 150.676°E
Last updated
2026-10-13
Current fill
86.1%vs 7 days ago
-0.4%losing
vs 1 year ago
-13.8%year-over-year
7-day trend
→stable
Drought context
Storage vs October average
89%of normal
86.1% full on 2026-10-13, against an average of 96.8% for October across 4 years of readings (-10.7 points).
Rain over the last three months · 21 September 2026
Near normal
In the three months to 21 September 2026 the area around Split Rock had rain close to normal for the season. Rainfall compared with the long-run record for the same season at this point (Copernicus Global Drought Observatory, SPI-3 index −0.79). 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: 2026-10-13.
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 October 13, 2026, Split Rock is filled to 86.1% of its total capacity, holding roughly 342 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 (-0.4 pts), and it is 13.8 points below its level on the same date a year earlier.
Across the readings we hold for Split Rock — 1095 data points between October 15, 2023 and October 13, 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 November and at its lowest around March.
It is operated by BOM primarily for water supply.
Key facts
- Current fill level
- 86.1%
- Water stored
- 342 hm³
- Total capacity
- 397 hm³
- Usable capacity
- 394 hm³
- 7-day change
- ▼ 0.4 pts
- Year-on-year
- ▼ 13.8 pts
- Primary use
- Water supply
- Operator
- BOM
- Coordinates
- 30.539°S, 150.676°E
- Last updated
- October 13, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 13 Oct 2026 | 86.1% | 342 |
| 12 Oct 2026 | 86.1% | 342 |
| 11 Oct 2026 | 86.1% | 342 |
| 10 Oct 2026 | 86.2% | 342 |
| 9 Oct 2026 | 86.2% | 343 |
| 8 Oct 2026 | 86.2% | 343 |
| 7 Oct 2026 | 86.4% | 343 |
| 6 Oct 2026 | 86.5% | 344 |
| 5 Oct 2026 | 86.5% | 344 |
| 4 Oct 2026 | 86.5% | 344 |
| 3 Oct 2026 | 86.6% | 344 |
| 2 Oct 2026 | 86.6% | 344 |