Reservoir · Queensland · Australia · BOM Water Data Online
Bill Gunn
71.5% full
Capacity
6.9 hm³
Volume stored
5 hm³
Year completed
1987
Coordinates
27.630°S, 152.374°E
Last updated
2026-09-09
Current fill
71.5%vs 7 days ago
-1.3%losing
vs 1 year ago
-27.6%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: 2026-09-09.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -27.630, 152.374 · Open in Google Maps
About Bill Gunn
As of September 9, 2026, Bill Gunn is filled to 71.5% of its total capacity, holding roughly 5 hm³ of water out of a maximum 7 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 (-1.3 pts), and it is 27.6 points below its level on the same date a year earlier.
Across the readings we hold for Bill Gunn — 788 data points between October 13, 2023 and September 9, 2026 — the level has ranged from a low of 39.2% (January 12, 2024) to a high of 103.1% (March 11, 2025). On average the reservoir is fullest around March and at its lowest around December.
The dam at Bill Gunn was completed in 1987. It is operated by BOM primarily for water supply.
Key facts
- Current fill level
- 71.5%
- Water stored
- 5 hm³
- Total capacity
- 7 hm³
- 7-day change
- ▼ 1.3 pts
- Year-on-year
- ▼ 27.6 pts
- Primary use
- Water supply
- Year completed
- 1987
- Operator
- BOM
- Coordinates
- 27.630°S, 152.374°E
- Last updated
- September 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Sep 2026 | 71.5% | 5 |
| 8 Sep 2026 | 71.7% | 5 |
| 7 Sep 2026 | 71.9% | 5 |
| 6 Sep 2026 | 72.1% | 5 |
| 5 Sep 2026 | 72.2% | 5 |
| 4 Sep 2026 | 72.4% | 5 |
| 3 Sep 2026 | 72.6% | 5 |
| 2 Sep 2026 | 72.8% | 5 |
| 1 Sep 2026 | 73.0% | 5 |
| 31 Aug 2026 | 73.2% | 5 |
| 30 Aug 2026 | 73.4% | 5 |
| 29 Aug 2026 | 73.6% | 5 |