Reservoir · Queensland · Australia · BOM Water Data Online
Gyranda Weir
78.5% full
Capacity
16.5 hm³
Volume stored
13 hm³
River
Dawson River
Year completed
1987
Coordinates
25.286°S, 150.176°E
Last updated
2026-09-08
Current fill
78.5%vs 7 days ago
+0.9%gaining
vs 1 year ago
+3.2%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: 2026-09-08.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -25.286, 150.176 · Open in Google Maps
About Gyranda Weir
As of September 8, 2026, Gyranda Weir is filled to 78.5% of its total capacity, holding roughly 13 hm³ of water out of a maximum 17 hm³. At this level the reservoir is within its normal operating range. Of that total, about 15 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (+0.9 pts), and it is 3.2 points above its level on the same date a year earlier.
Across the readings we hold for Gyranda Weir — 1095 data points between September 10, 2023 and September 8, 2026 — the level has ranged from a low of 13.0% (October 27, 2023) to a high of 142.1% (March 9, 2026). On average the reservoir is fullest around April and at its lowest around October.
The dam at Gyranda Weir was completed in 1987. It is operated by BOM primarily for water supply. It lies within the Dawson River Basin basin at 25.286°S, 150.176°E.
Key facts
- Current fill level
- 78.5%
- Water stored
- 13 hm³
- Total capacity
- 17 hm³
- Usable capacity
- 15 hm³
- 7-day change
- ▲ 0.9 pts
- Year-on-year
- ▲ 3.2 pts
- Primary use
- Water supply
- River
- Dawson River
- River basin
- Dawson River Basin
- Year completed
- 1987
- Operator
- BOM
- Coordinates
- 25.286°S, 150.176°E
- Last updated
- September 8, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 8 Sep 2026 | 78.5% | 13 |
| 7 Sep 2026 | 78.7% | 13 |
| 6 Sep 2026 | 78.6% | 13 |
| 5 Sep 2026 | 78.5% | 13 |
| 4 Sep 2026 | 78.4% | 13 |
| 3 Sep 2026 | 78.1% | 13 |
| 2 Sep 2026 | 77.9% | 13 |
| 1 Sep 2026 | 77.6% | 13 |
| 31 Aug 2026 | 77.3% | 13 |
| 30 Aug 2026 | 77.6% | 13 |
| 29 Aug 2026 | 78.1% | 13 |
| 28 Aug 2026 | 78.6% | 13 |