Reservoir · South Australia · Australia · BOM Water Data Online
Millbrook
55.1% full
Capacity
15.7 hm³
Volume stored
9 hm³
River
River Torrens
Year completed
1918
Coordinates
34.826°S, 138.811°E
Last updated
2026-06-07
Current fill
55.1%vs 7 days ago
0.0%stable
vs 1 year ago
-4.1%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: 2026-06-07.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -34.826, 138.811 · Open in Google Maps
About Millbrook
As of June 7, 2026, Millbrook is filled to 55.1% of its total capacity, holding roughly 9 hm³ of water out of a maximum 16 hm³. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has held broadly steady (+0.0 pts), and it is 4.1 points below its level on the same date a year earlier.
Across the readings we hold for Millbrook — 1091 data points between June 12, 2023 and June 7, 2026 — the level has ranged from a low of 44.1% (May 25, 2024) to a high of 84.3% (October 7, 2023). On average the reservoir is fullest around October and at its lowest around May.
The dam at Millbrook was completed in 1918. It is operated by BOM primarily for water supply. It lies within the River Torrens Basin basin at 34.826°S, 138.811°E.
Key facts
- Current fill level
- 55.1%
- Water stored
- 9 hm³
- Total capacity
- 16 hm³
- 7-day change
- No change
- Year-on-year
- ▼ 4.1 pts
- Primary use
- Water supply
- River
- River Torrens
- River basin
- River Torrens Basin
- Year completed
- 1918
- Operator
- BOM
- Coordinates
- 34.826°S, 138.811°E
- Last updated
- June 7, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 7 Jun 2026 | 55.1% | 9 |
| 6 Jun 2026 | 55.1% | 9 |
| 5 Jun 2026 | 55.1% | 9 |
| 4 Jun 2026 | 55.1% | 9 |
| 3 Jun 2026 | 54.9% | 9 |
| 2 Jun 2026 | 54.6% | 9 |
| 1 Jun 2026 | 54.4% | 9 |
| 31 May 2026 | 54.3% | 9 |
| 30 May 2026 | 54.4% | 9 |
| 29 May 2026 | 54.6% | 9 |
| 28 May 2026 | 54.8% | 9 |
| 27 May 2026 | 55.2% | 9 |
Frequently asked questions
What is the current water level of Millbrook?
As of June 7, 2026, Millbrook is at 55.1% of its capacity, holding approximately 9 hm³ of water, according to BOM data.
Is Millbrook reservoir full?
No. As of June 7, 2026, Millbrook is within its normal operating range at 55.1% of its capacity, so it is not full.
Is the water level at Millbrook rising or falling?
The level at Millbrook has been broadly stable over the latest week on record (0.0 points).
How much water can Millbrook hold?
Millbrook has a total capacity of 16 hm³.
Where is Millbrook reservoir located?
Millbrook is located in South Australia, Australia, within the River Torrens Basin basin (coordinates 34.826°S, 138.811°E).
When was Millbrook dam built?
The dam at Millbrook was completed in 1918.
What is Millbrook used for?
Millbrook is used primarily for water supply, and is managed by BOM.