Reservoir · New South Wales · Australia · BOM Water Data Online
Split Rock
85.8% full
Capacity
397.4 hm³
Volume stored
341 hm³
Coordinates
30.539°S, 150.676°E
Last updated
2026-10-26
Current fill
85.8%vs 7 days ago
-0.1 pplosing
vs 1 year ago
-13.8 ppyear-over-year
7-day trend
→stable
Drought context
Storage vs October average
90%of normal
85.8% full on 2026-10-26, against an average of 94.9% for October across 4 years of readings (-9.1 points).
Rain over the last three months · 11 October 2026
Near normal
In the three months to 11 October 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 −0.31). 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: 2026-10-26.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 30.539°S, 150.676°E · Open in Google Maps
About Split Rock
As of October 26, 2026, Split Rock is filled to 85.8% of its total capacity, holding 341.11 hm³ of water out of a maximum 397.4 hm³. At this level the reservoir is high. Of that total, 394.2 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (-0.1 pp), 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 28, 2023 and October 26, 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. It is at 30.539°S, 150.676°E.
Key facts
- Current fill level
- 85.8% of total capacity
- Water stored
- 341.11 hm³
- Total capacity
- 397.4 hm³
- Usable capacity
- 394.2 hm³
- 7-day change
- ▼ 0.1 pp
- Year-on-year
- ▼ 13.8 pp
- Primary use
- Water supply
- Operator
- BOM
- Coordinates
- 30.539°S, 150.676°E
- Last updated
- October 26, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 26 Oct 2026 | 85.8% | 341.11 |
| 25 Oct 2026 | 85.8% | 341.07 |
| 24 Oct 2026 | 85.8% | 341.15 |
| 23 Oct 2026 | 85.9% | 341.24 |
| 22 Oct 2026 | 85.9% | 341.22 |
| 21 Oct 2026 | 85.8% | 341.09 |
| 20 Oct 2026 | 85.9% | 341.2 |
| 19 Oct 2026 | 85.9% | 341.36 |
| 18 Oct 2026 | 85.9% | 341.46 |
| 17 Oct 2026 | 86.0% | 341.59 |
| 16 Oct 2026 | 86.0% | 341.77 |
| 15 Oct 2026 | 86.0% | 341.81 |