Reservoir · Queensland · Australia · BOM Water Data Online
Ewen Maddock
94.6% full
Capacity
16.6 hm³
Volume stored
16 hm³
River
Addlington Creek
Year completed
1982
Coordinates
26.784°S, 152.994°E
Last updated
2026-09-09
Current fill
94.6%vs 7 days ago
-1.0%losing
vs 1 year ago
-2.6%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: 2026-09-09.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -26.784, 152.994 · Open in Google Maps
About Ewen Maddock
As of September 9, 2026, Ewen Maddock is filled to 94.6% of its total capacity, holding roughly 16 hm³ of water out of a maximum 17 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (-1.0 pts), and it is 2.6 points below its level on the same date a year earlier.
Across the readings we hold for Ewen Maddock — 1052 data points between September 11, 2023 and September 9, 2026 — the level has ranged from a low of 56.6% (December 29, 2023) to a high of 115.5% (March 10, 2025). On average the reservoir is fullest around March and at its lowest around November.
The dam at Ewen Maddock was completed in 1982. It is operated by BOM primarily for water supply. It lies within the Addlington Creek Basin basin at 26.784°S, 152.994°E.
Key facts
- Current fill level
- 94.6%
- Water stored
- 16 hm³
- Total capacity
- 17 hm³
- 7-day change
- ▼ 1.0 pts
- Year-on-year
- ▼ 2.6 pts
- Primary use
- Water supply
- River
- Addlington Creek
- River basin
- Addlington Creek Basin
- Year completed
- 1982
- Operator
- BOM
- Coordinates
- 26.784°S, 152.994°E
- Last updated
- September 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Sep 2026 | 94.6% | 16 |
| 8 Sep 2026 | 94.8% | 16 |
| 7 Sep 2026 | 94.9% | 16 |
| 6 Sep 2026 | 95.0% | 16 |
| 5 Sep 2026 | 95.2% | 16 |
| 4 Sep 2026 | 95.3% | 16 |
| 3 Sep 2026 | 95.4% | 16 |
| 2 Sep 2026 | 95.6% | 16 |
| 1 Sep 2026 | 95.7% | 16 |
| 31 Aug 2026 | 95.7% | 16 |
| 30 Aug 2026 | 95.8% | 16 |
| 29 Aug 2026 | 96.0% | 16 |