Reservoir · Queensland · Australia · BOM Water Data Online
Bucca Weir
72.0% full
Capacity
11.6 hm³
Volume stored
8 hm³
River
Kolan River
Year completed
1987
Coordinates
24.897°S, 152.071°E
Last updated
2026-07-28
Current fill
72.0%vs 7 days ago
0.0%stable
vs 1 year ago
-14.5%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: 2026-07-28.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -24.897, 152.071 · Open in Google Maps
About Bucca Weir
As of July 28, 2026, Bucca Weir is filled to 72.0% of its total capacity, holding roughly 8 hm³ of water out of a maximum 12 hm³. At this level the reservoir is within its normal operating range. Of that total, about 11 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (+0.0 pts), and it is 14.5 points below its level on the same date a year earlier.
Across the readings we hold for Bucca Weir — 1095 data points between July 30, 2023 and July 28, 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
- 72.0%
- Water stored
- 8 hm³
- Total capacity
- 12 hm³
- Usable capacity
- 11 hm³
- 7-day change
- No change
- Year-on-year
- ▼ 14.5 pts
- 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
- July 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Jul 2026 | 72.0% | 8 |
| 27 Jul 2026 | 72.0% | 8 |
| 26 Jul 2026 | 72.1% | 8 |
| 25 Jul 2026 | 72.2% | 8 |
| 24 Jul 2026 | 72.3% | 8 |
| 23 Jul 2026 | 72.3% | 8 |
| 22 Jul 2026 | 72.3% | 8 |
| 21 Jul 2026 | 72.3% | 8 |
| 20 Jul 2026 | 72.4% | 8 |
| 19 Jul 2026 | 72.5% | 8 |
| 18 Jul 2026 | 72.5% | 8 |
| 17 Jul 2026 | 72.5% | 8 |
Frequently asked questions
What is the current water level of Bucca Weir?
As of July 28, 2026, Bucca Weir is at 72.0% of its capacity, holding approximately 8 hm³ of water, according to BOM data.
Is Bucca Weir reservoir full?
No. As of July 28, 2026, Bucca Weir is within its normal operating range at 72.0% of its capacity, so it is not full.
Is the water level at Bucca Weir rising or falling?
The level at Bucca Weir has been broadly stable over the latest week on record (0.0 points).
How much water can Bucca Weir hold?
Bucca Weir has a total capacity of 12 hm³, of which about 11 hm³ is usable storage.
Where is Bucca Weir reservoir located?
Bucca Weir is located in Queensland, Australia, within the Kolan River Basin basin (coordinates 24.897°S, 152.071°E).
When was Bucca Weir dam built?
The dam at Bucca Weir was completed in 1987.
What is Bucca Weir used for?
Bucca Weir is used primarily for water supply, and is managed by BOM.