Reservoir · Western Australia · Australia · BOM Water Data Online
Waroona
24.7% full
Capacity
15.2 hm³
Volume stored
4 hm³
River
Drakes Brook
Year completed
1966
Coordinates
32.847°S, 115.995°E
Last updated
2026-07-26
Current fill
24.7%vs 7 days ago
+0.1%gaining
vs 1 year ago
+6.7%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: 2026-07-26.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -32.847, 115.995 · Open in Google Maps
About Waroona
As of July 26, 2026, Waroona is filled to 24.7% of its total capacity, holding roughly 4 hm³ of water out of a maximum 15 hm³. At this level the reservoir is low.
Over the most recent week on record the fill level has held broadly steady (+0.1 pts), and it is 6.7 points above its level on the same date a year earlier.
Across the readings we hold for Waroona — 1044 data points between July 30, 2023 and July 26, 2026 — the level has ranged from a low of 5.6% (April 21, 2025) to a high of 72.6% (October 12, 2023). On average the reservoir is fullest around October and at its lowest around April.
The dam at Waroona was completed in 1966. It is operated by BOM primarily for water supply. It lies within the Drakes Brook Basin basin at 32.847°S, 115.995°E.
Key facts
- Current fill level
- 24.7%
- Water stored
- 4 hm³
- Total capacity
- 15 hm³
- 7-day change
- ▲ 0.1 pts
- Year-on-year
- ▲ 6.7 pts
- Primary use
- Water supply
- River
- Drakes Brook
- River basin
- Drakes Brook Basin
- Year completed
- 1966
- Operator
- BOM
- Coordinates
- 32.847°S, 115.995°E
- Last updated
- July 26, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 26 Jul 2026 | 24.7% | 4 |
| 25 Jul 2026 | 24.6% | 4 |
| 24 Jul 2026 | 24.5% | 4 |
| 23 Jul 2026 | 24.6% | 4 |
| 22 Jul 2026 | 24.6% | 4 |
| 21 Jul 2026 | 24.5% | 4 |
| 20 Jul 2026 | 24.3% | 4 |
| 19 Jul 2026 | 24.2% | 4 |
| 18 Jul 2026 | 24.1% | 4 |
| 17 Jul 2026 | 23.9% | 4 |
| 16 Jul 2026 | 23.7% | 4 |
| 15 Jul 2026 | 23.4% | 4 |
Frequently asked questions
What is the current water level of Waroona?
As of July 26, 2026, Waroona is at 24.7% of its capacity, holding approximately 4 hm³ of water, according to BOM data.
Is Waroona reservoir full?
No. As of July 26, 2026, Waroona is low at 24.7% of its capacity, so it is not full.
Is the water level at Waroona rising or falling?
The level at Waroona has been broadly stable over the latest week on record (+0.1 points).
How much water can Waroona hold?
Waroona has a total capacity of 15 hm³.
Where is Waroona reservoir located?
Waroona is located in Western Australia, Australia, within the Drakes Brook Basin basin (coordinates 32.847°S, 115.995°E).
When was Waroona dam built?
The dam at Waroona was completed in 1966.
What is Waroona used for?
Waroona is used primarily for water supply, and is managed by BOM.