Reservoir · Western Australia · Australia · BOM Water Data Online
Manjimup
67.2% full
Capacity
1.6 hm³
Volume stored
1 hm³
Year completed
1967
Coordinates
34.279°S, 116.046°E
Last updated
2026-10-21
Current fill
67.2%vs 7 days ago
-0.3 pplosing
vs 1 year ago
-4.0 ppyear-over-year
7-day trend
→stable
Drought context
Storage vs October average
113%of normal
67.2% full on 2026-10-21, against an average of 59.7% for October across 4 years of readings (+7.5 points).
Rain over the last three months · 11 October 2026
Severely dry
In the three months to 11 October 2026 the area around Manjimup had far less rain than normal, a shortfall seen about one year in fifteen. Rainfall compared with the long-run record for the same season at this point (Copernicus Global Drought Observatory, SPI-3 index −1.75). 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: 2026-10-21.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 34.279°S, 116.046°E · Open in Google Maps
About Manjimup
As of October 21, 2026, Manjimup is filled to 67.2% of its total capacity, holding 1.08 hm³ of water out of a maximum 1.6 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 (-0.3 pp), and it is 4.0 points below its level on the same date a year earlier.
Across the readings we hold for Manjimup — 1024 data points between October 28, 2023 and October 21, 2026 — the level has ranged from a low of 27.3% (July 16, 2024) to a high of 75.3% (November 27, 2025). On average the reservoir is fullest around September and at its lowest around May.
The dam at Manjimup was completed in 1967. It is operated by BOM primarily for water supply. It is at 34.279°S, 116.046°E.
Key facts
- Current fill level
- 67.2% of total capacity
- Water stored
- 1.08 hm³
- Total capacity
- 1.6 hm³
- 7-day change
- ▼ 0.3 pp
- Year-on-year
- ▼ 4.0 pp
- Primary use
- Water supply
- Year completed
- 1967
- Operator
- BOM
- Coordinates
- 34.279°S, 116.046°E
- Last updated
- October 21, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 21 Oct 2026 | 67.2% | 1.08 |
| 20 Oct 2026 | 67.3% | 1.08 |
| 19 Oct 2026 | 67.4% | 1.08 |
| 18 Oct 2026 | 67.4% | 1.08 |
| 17 Oct 2026 | 67.4% | 1.08 |
| 16 Oct 2026 | 67.5% | 1.08 |
| 15 Oct 2026 | 67.5% | 1.09 |
| 14 Oct 2026 | 67.5% | 1.09 |
| 13 Oct 2026 | 67.7% | 1.09 |
| 12 Oct 2026 | 67.9% | 1.09 |
| 11 Oct 2026 | 67.9% | 1.09 |
| 10 Oct 2026 | 68.0% | 1.09 |