Reservoir · Western Australia · Australia · BOM Water Data Online
Stirling
48.7% full
Capacity
57.4 hm³
Volume stored
28 hm³
River
Harvey River
Year completed
1948
Coordinates
33.109°S, 116.044°E
Last updated
2026-07-26
Current fill
48.7%vs 7 days ago
0.0%stable
vs 1 year ago
+2.3%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. -33.109, 116.044 · Open in Google Maps
About Stirling
As of July 26, 2026, Stirling is filled to 48.7% of its total capacity, holding roughly 28 hm³ of water out of a maximum 57 hm³. At this level the reservoir is within its normal operating range. Of that total, about 56 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (+0.0 pts), and it is 2.3 points above its level on the same date a year earlier.
Across the readings we hold for Stirling — 1053 data points between July 30, 2023 and July 26, 2026 — the level has ranged from a low of 43.1% (May 23, 2024) to a high of 71.5% (November 22, 2024). On average the reservoir is fullest around November and at its lowest around June.
The dam at Stirling was completed in 1948. It is operated by BOM primarily for water supply. It lies within the Harvey River Basin basin at 33.109°S, 116.044°E.
Key facts
- Current fill level
- 48.7%
- Water stored
- 28 hm³
- Total capacity
- 57 hm³
- Usable capacity
- 56 hm³
- 7-day change
- No change
- Year-on-year
- ▲ 2.3 pts
- Primary use
- Water supply
- River
- Harvey River
- River basin
- Harvey River Basin
- Year completed
- 1948
- Operator
- BOM
- Coordinates
- 33.109°S, 116.044°E
- Last updated
- July 26, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 26 Jul 2026 | 48.7% | 28 |
| 25 Jul 2026 | 48.7% | 28 |
| 24 Jul 2026 | 48.7% | 28 |
| 23 Jul 2026 | 48.7% | 28 |
| 22 Jul 2026 | 48.7% | 28 |
| 21 Jul 2026 | 48.6% | 28 |
| 20 Jul 2026 | 48.5% | 28 |
| 19 Jul 2026 | 48.4% | 28 |
| 18 Jul 2026 | 48.4% | 28 |
| 17 Jul 2026 | 48.3% | 28 |
| 16 Jul 2026 | 48.2% | 28 |
| 15 Jul 2026 | 48.1% | 28 |
Frequently asked questions
What is the current water level of Stirling?
As of July 26, 2026, Stirling is at 48.7% of its capacity, holding approximately 28 hm³ of water, according to BOM data.
Is Stirling reservoir full?
No. As of July 26, 2026, Stirling is within its normal operating range at 48.7% of its capacity, so it is not full.
Is the water level at Stirling rising or falling?
The level at Stirling has been broadly stable over the latest week on record (0.0 points).
How much water can Stirling hold?
Stirling has a total capacity of 57 hm³, of which about 56 hm³ is usable storage.
Where is Stirling reservoir located?
Stirling is located in Western Australia, Australia, within the Harvey River Basin basin (coordinates 33.109°S, 116.044°E).
When was Stirling dam built?
The dam at Stirling was completed in 1948.
What is Stirling used for?
Stirling is used primarily for water supply, and is managed by BOM.