Reservoir · Queensland · Australia · BOM Water Data Online
Bucca Weir
106.8% full
Capacity
11.6 hm³
Volume stored
12 hm³
River
Kolan River
Year completed
1987
Coordinates
24.897°S, 152.071°E
Last updated
2026-10-26
Current fill
106.8%vs 7 days ago
+38.9 ppgaining
vs 1 year ago
+35.4 ppyear-over-year
7-day trend
↑rising
Drought context
Storage vs October average
142%of normal
106.8% full on 2026-10-26, against an average of 75.3% for October across 4 years of readings (+31.5 points).
Rain over the last three months · 11 October 2026
Near normal
In the three months to 11 October 2026 the area around Bucca Weir 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 −0.54). 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. 24.897°S, 152.071°E · Open in Google Maps
About Bucca Weir
As of October 26, 2026, Bucca Weir is filled to 106.8% of its total capacity, holding 12.4 hm³ of water out of a maximum 11.6 hm³. At this level the reservoir is effectively full. Of that total, 10.7 hm³ is usable (live) storage.
Over the most recent week on record the fill level has risen by 38.9 percentage points, and it is 35.4 points above its level on the same date a year earlier.
Across the readings we hold for Bucca Weir — 1095 data points between October 28, 2023 and October 26, 2026 — the level has ranged from a low of 62.7% (November 5, 2023) to a high of 131.8% (March 10, 2026). On average the reservoir is fullest around April and at its lowest around October.
The dam at Bucca Weir was completed in 1987. It is operated by BOM primarily for water supply. It lies within the Kolan River Basin basin at 24.897°S, 152.071°E.
Key facts
- Current fill level
- 106.8% of total capacity
- Water stored
- 12.4 hm³
- Total capacity
- 11.6 hm³
- Usable capacity
- 10.7 hm³
- 7-day change
- ▲ 38.9 pp
- Year-on-year
- ▲ 35.4 pp
- Primary use
- Water supply
- River
- Kolan River
- River basin
- Kolan River Basin
- Year completed
- 1987
- Operator
- BOM
- Coordinates
- 24.897°S, 152.071°E
- Last updated
- October 26, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 26 Oct 2026 | 106.8% | 12.4 |
| 25 Oct 2026 | 104.7% | 12.15 |
| 24 Oct 2026 | 73.6% | 8.54 |
| 23 Oct 2026 | 71.0% | 8.24 |
| 22 Oct 2026 | 70.0% | 8.13 |
| 21 Oct 2026 | 69.6% | 8.07 |
| 20 Oct 2026 | 68.9% | 8 |
| 19 Oct 2026 | 67.9% | 7.87 |
| 18 Oct 2026 | 67.6% | 7.85 |
| 17 Oct 2026 | 67.6% | 7.85 |
| 16 Oct 2026 | 67.6% | 7.84 |
| 15 Oct 2026 | 67.0% | 7.77 |