Reservoir · Queensland · Australia · BOM Water Data Online
Ewen Maddock
105.1% full
Capacity
16.587 hm³
Volume stored
17 hm³
River
Addlington Creek
Year completed
1982
Coordinates
26.784°S, 152.994°E
Last updated
2026-10-28
Current fill
105.1%vs 7 days ago
+7.5 ppgaining
vs 1 year ago
+13.3 ppyear-over-year
7-day trend
↑rising
Drought context
Storage vs October average
112%of normal
105.1% full on 2026-10-28, against an average of 93.7% for October across 4 years of readings (+11.4 points).
Rain over the last three months · 11 October 2026
Near normal
In the three months to 11 October 2026 the area around Ewen Maddock 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 −0.04). 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: 2026-10-28.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 26.784°S, 152.994°E · Open in Google Maps
About Ewen Maddock
As of October 28, 2026, Ewen Maddock is filled to 105.1% of its total capacity, holding 17.439 hm³ of water out of a maximum 16.587 hm³. At this level the reservoir is effectively full.
Over the most recent week on record the fill level has risen by 7.5 percentage points, and it is 13.3 points above its level on the same date a year earlier.
Across the readings we hold for Ewen Maddock — 1053 data points between October 28, 2023 and October 28, 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 Seqwater primarily for water supply. It lies within the Addlington Creek Basin basin at 26.784°S, 152.994°E.
Key facts
- Current fill level
- 105.1% of total capacity
- Water stored
- 17.439 hm³
- Total capacity
- 16.587 hm³
- 7-day change
- ▲ 7.5 pp
- Year-on-year
- ▲ 13.3 pp
- Primary use
- Water supply
- River
- Addlington Creek
- River basin
- Addlington Creek Basin
- Year completed
- 1982
- Operator
- Seqwater
- Coordinates
- 26.784°S, 152.994°E
- Last updated
- October 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Oct 2026 | 105.1% | 17.439 |
| 26 Oct 2026 | 108.5% | 17.99 |
| 25 Oct 2026 | 110.2% | 18.28 |
| 24 Oct 2026 | 110.2% | 18.27 |
| 23 Oct 2026 | 113.1% | 18.77 |
| 22 Oct 2026 | 107.2% | 17.78 |
| 21 Oct 2026 | 97.6% | 16.19 |
| 20 Oct 2026 | 97.0% | 16.1 |
| 19 Oct 2026 | 93.3% | 15.47 |
| 18 Oct 2026 | 91.4% | 15.17 |
| 17 Oct 2026 | 91.3% | 15.14 |
| 16 Oct 2026 | 91.1% | 15.11 |