Reservoir · New South Wales · Australia · BOM Water Data Online
Tombullen
89.4% full
Capacity
11.2 hm³
Volume stored
10 hm³
Coordinates
34.648°S, 146.152°E
Last updated
2026-06-10
Current fill
89.4%vs 7 days ago
-0.1%losing
vs 1 year ago
-3.7%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: 2026-06-10.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -34.648, 146.152 · Open in Google Maps
About Tombullen
As of June 10, 2026, Tombullen is filled to 89.4% of its total capacity, holding roughly 10 hm³ of water out of a maximum 11 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (-0.1 pts), and it is 3.7 points below its level on the same date a year earlier.
Across the readings we hold for Tombullen — 1075 data points between June 12, 2023 and June 10, 2026 — the level has ranged from a low of 4.6% (August 7, 2025) to a high of 96.2% (May 2, 2024). On average the reservoir is fullest around November and at its lowest around July.
It is operated by BOM primarily for water supply.
Key facts
- Current fill level
- 89.4%
- Water stored
- 10 hm³
- Total capacity
- 11 hm³
- 7-day change
- ▼ 0.1 pts
- Year-on-year
- ▼ 3.7 pts
- Primary use
- Water supply
- Operator
- BOM
- Coordinates
- 34.648°S, 146.152°E
- Last updated
- June 10, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 10 Jun 2026 | 89.4% | 10 |
| 9 Jun 2026 | 89.5% | 10 |
| 8 Jun 2026 | 89.7% | 10 |
| 7 Jun 2026 | 89.8% | 10 |
| 6 Jun 2026 | 90.0% | 10 |
| 5 Jun 2026 | 90.2% | 10 |
| 4 Jun 2026 | 90.4% | 10 |
| 3 Jun 2026 | 90.5% | 10 |
| 2 Jun 2026 | 90.7% | 10 |
| 1 Jun 2026 | 90.8% | 10 |
| 31 May 2026 | 91.0% | 10 |
| 30 May 2026 | 91.2% | 10 |
Frequently asked questions
What is the current water level of Tombullen?
As of June 10, 2026, Tombullen is at 89.4% of its capacity, holding approximately 10 hm³ of water, according to BOM data.
Is Tombullen reservoir full?
No. As of June 10, 2026, Tombullen is high at 89.4% of its capacity, so it is not full.
Is the water level at Tombullen rising or falling?
The level at Tombullen has been broadly stable over the latest week on record (-0.1 points).
How much water can Tombullen hold?
Tombullen has a total capacity of 11 hm³.
Where is Tombullen reservoir located?
Tombullen is located in New South Wales, Australia (coordinates 34.648°S, 146.152°E).
What is Tombullen used for?
Tombullen is used primarily for water supply, and is managed by BOM.