Reservoir · Queensland · Australia · BOM Water Data Online
Bill Gunn
76.1% full
Capacity
6.947 hm³
Volume stored
5 hm³
Year completed
1987
Coordinates
27.630°S, 152.374°E
Last updated
2026-10-28
Current fill
76.1%vs 7 days ago
+15.4 ppgaining
vs 1 year ago
-20.1 ppyear-over-year
7-day trend
↑rising
Drought context
Storage vs October average
89%of normal
76.1% full on 2026-10-28, against an average of 85.7% for October across 4 years of readings (-9.6 points).
Rain over the last three months · 11 October 2026
Near normal
In the three months to 11 October 2026 the area around Bill Gunn 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 −0.57). 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: 2026-10-28.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 27.630°S, 152.374°E · Open in Google Maps
About Bill Gunn
As of October 28, 2026, Bill Gunn is filled to 76.1% of its total capacity, holding 5.286 hm³ of water out of a maximum 6.947 hm³. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has risen by 15.4 percentage points, and it is 20.1 points below its level on the same date a year earlier.
Across the readings we hold for Bill Gunn — 832 data points between October 28, 2023 and October 28, 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 October.
The dam at Bill Gunn was completed in 1987. It is operated by Seqwater primarily for water supply. It is at 27.630°S, 152.374°E.
Key facts
- Current fill level
- 76.1% of total capacity
- Water stored
- 5.286 hm³
- Total capacity
- 6.947 hm³
- 7-day change
- ▲ 15.4 pp
- Year-on-year
- ▼ 20.1 pp
- Primary use
- Water supply
- Year completed
- 1987
- Operator
- Seqwater
- Coordinates
- 27.630°S, 152.374°E
- Last updated
- October 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Oct 2026 | 76.1% | 5.286 |
| 26 Oct 2026 | 71.0% | 4.94 |
| 25 Oct 2026 | 68.3% | 4.75 |
| 24 Oct 2026 | 65.6% | 4.55 |
| 23 Oct 2026 | 62.9% | 4.37 |
| 22 Oct 2026 | 60.9% | 4.23 |
| 21 Oct 2026 | 60.7% | 4.21 |
| 20 Oct 2026 | 60.8% | 4.22 |
| 19 Oct 2026 | 60.8% | 4.23 |
| 18 Oct 2026 | 60.9% | 4.23 |
| 17 Oct 2026 | 61.1% | 4.25 |
| 16 Oct 2026 | 61.3% | 4.26 |