Reservoir · Queensland · Australia · BOM Water Data Online
Allan Tannock Weir
97.7% full
Capacity
4.8 hm³
Volume stored
5 hm³
River
Warrego River
Coordinates
28.085°S, 145.678°E
Last updated
2026-05-16
Current fill
97.7%vs 7 days ago
-0.2%losing
vs 1 year ago
-2.3%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: 2026-05-16.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -28.085, 145.678 · Open in Google Maps
About Allan Tannock Weir
As of May 16, 2026, Allan Tannock Weir is filled to 97.7% of its total capacity, holding roughly 5 hm³ of water out of a maximum 5 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (-0.2 pts), and it is 2.3 points below its level on the same date a year earlier.
Across the readings we hold for Allan Tannock Weir — 1070 data points between June 12, 2023 and May 16, 2026 — the level has ranged from a low of 62.8% (February 4, 2026) to a high of 100.0% (December 4, 2023). On average the reservoir is fullest around April and at its lowest around November.
It is operated by BOM primarily for water supply. It lies within the Warrego River Basin basin at 28.085°S, 145.678°E.
Key facts
- Current fill level
- 97.7%
- Water stored
- 5 hm³
- Total capacity
- 5 hm³
- 7-day change
- ▼ 0.2 pts
- Year-on-year
- ▼ 2.3 pts
- Primary use
- Water supply
- River
- Warrego River
- River basin
- Warrego River Basin
- Operator
- BOM
- Coordinates
- 28.085°S, 145.678°E
- Last updated
- May 16, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 16 May 2026 | 97.7% | 5 |
| 15 May 2026 | 97.9% | 5 |
| 14 May 2026 | 98.0% | 5 |
| 13 May 2026 | 98.2% | 5 |
| 12 May 2026 | 98.4% | 5 |
| 11 May 2026 | 98.6% | 5 |
| 10 May 2026 | 98.8% | 5 |
| 9 May 2026 | 99.0% | 5 |
| 8 May 2026 | 99.2% | 5 |
| 7 May 2026 | 99.5% | 5 |
| 6 May 2026 | 99.7% | 5 |
| 5 May 2026 | 99.9% | 5 |
Frequently asked questions
What is the current water level of Allan Tannock Weir?
As of May 16, 2026, Allan Tannock Weir is at 97.7% of its capacity, holding approximately 5 hm³ of water, according to BOM data.
Is Allan Tannock Weir reservoir full?
Allan Tannock Weir is essentially full, sitting at 97.7% of capacity as of May 16, 2026.
Is the water level at Allan Tannock Weir rising or falling?
The level at Allan Tannock Weir has been broadly stable over the latest week on record (-0.2 points).
How much water can Allan Tannock Weir hold?
Allan Tannock Weir has a total capacity of 5 hm³.
Where is Allan Tannock Weir reservoir located?
Allan Tannock Weir is located in Queensland, Australia, within the Warrego River Basin basin (coordinates 28.085°S, 145.678°E).
What is Allan Tannock Weir used for?
Allan Tannock Weir is used primarily for water supply, and is managed by BOM.

