Reservoir · Western Australia · Australia · BOM Water Data Online
Samson Brook
42.2% full
Capacity
8 hm³
Volume stored
3 hm³
River
Samson Brook
Year completed
1941
Coordinates
32.877°S, 116.027°E
Last updated
2026-06-07
Current fill
42.2%vs 7 days ago
+0.5%gaining
vs 1 year ago
+0.2%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. -32.877, 116.027 · Open in Google Maps
About Samson Brook
As of June 7, 2026, Samson Brook is filled to 42.2% of its total capacity, holding roughly 3 hm³ of water out of a maximum 8 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 (+0.5 pts), and it sits close to where it was a year earlier.
Across the readings we hold for Samson Brook — 1052 data points between June 12, 2023 and June 7, 2026 — the level has ranged from a low of 30.5% (May 24, 2024) to a high of 90.8% (October 6, 2024). On average the reservoir is fullest around September and at its lowest around May.
The dam at Samson Brook was completed in 1941. It is operated by BOM primarily for water supply. It lies within the Samson Brook Basin basin at 32.877°S, 116.027°E.
Key facts
- Current fill level
- 42.2%
- Water stored
- 3 hm³
- Total capacity
- 8 hm³
- 7-day change
- ▲ 0.5 pts
- Year-on-year
- ▲ 0.2 pts
- Primary use
- Water supply
- River
- Samson Brook
- River basin
- Samson Brook Basin
- Year completed
- 1941
- Operator
- BOM
- Coordinates
- 32.877°S, 116.027°E
- Last updated
- June 7, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 7 Jun 2026 | 42.2% | 3 |
| 6 Jun 2026 | 41.7% | 3 |
| 5 Jun 2026 | 41.4% | 3 |
| 4 Jun 2026 | 41.3% | 3 |
| 3 Jun 2026 | 41.3% | 3 |
| 2 Jun 2026 | 41.2% | 3 |
| 1 Jun 2026 | 41.1% | 3 |
| 31 May 2026 | 41.0% | 3 |
| 30 May 2026 | 40.9% | 3 |
| 29 May 2026 | 40.8% | 3 |
| 28 May 2026 | 40.7% | 3 |
| 27 May 2026 | 40.7% | 3 |
Frequently asked questions
What is the current water level of Samson Brook?
As of June 7, 2026, Samson Brook is at 42.2% of its capacity, holding approximately 3 hm³ of water, according to BOM data.
Is Samson Brook reservoir full?
No. As of June 7, 2026, Samson Brook is within its normal operating range at 42.2% of its capacity, so it is not full.
Is the water level at Samson Brook rising or falling?
The level at Samson Brook has been broadly stable over the latest week on record (+0.5 points).
How much water can Samson Brook hold?
Samson Brook has a total capacity of 8 hm³.
Where is Samson Brook reservoir located?
Samson Brook is located in Western Australia, Australia, within the Samson Brook Basin basin (coordinates 32.877°S, 116.027°E).
When was Samson Brook dam built?
The dam at Samson Brook was completed in 1941.
What is Samson Brook used for?
Samson Brook is used primarily for water supply, and is managed by BOM.