Reservoir · Western Australia · Australia · BOM Water Data Online
Wellington
39.0% full
Capacity
184.9 hm³
Volume stored
72 hm³
River
Collie River
Year completed
1933
Coordinates
33.384°S, 116.009°E
Last updated
2026-07-26
Current fill
39.0%vs 7 days ago
+0.2%gaining
vs 1 year ago
+3.2%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: 2026-07-26.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -33.384, 116.009 · Open in Google Maps
About Wellington
As of July 26, 2026, Wellington is filled to 39.0% of its total capacity, holding roughly 72 hm³ of water out of a maximum 185 hm³. At this level the reservoir is low. Of that total, about 184 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (+0.2 pts), and it is 3.2 points above its level on the same date a year earlier.
Across the readings we hold for Wellington — 1069 data points between July 30, 2023 and July 26, 2026 — the level has ranged from a low of 29.3% (May 9, 2024) to a high of 62.9% (October 4, 2023). On average the reservoir is fullest around October and at its lowest around May.
The dam at Wellington was completed in 1933. It is operated by BOM primarily for water supply. It lies within the Collie River Basin basin at 33.384°S, 116.009°E.
Key facts
- Current fill level
- 39.0%
- Water stored
- 72 hm³
- Total capacity
- 185 hm³
- Usable capacity
- 184 hm³
- 7-day change
- ▲ 0.2 pts
- Year-on-year
- ▲ 3.2 pts
- Primary use
- Water supply
- River
- Collie River
- River basin
- Collie River Basin
- Year completed
- 1933
- Operator
- BOM
- Coordinates
- 33.384°S, 116.009°E
- Last updated
- July 26, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 26 Jul 2026 | 39.0% | 72 |
| 25 Jul 2026 | 38.8% | 72 |
| 24 Jul 2026 | 38.7% | 72 |
| 23 Jul 2026 | 38.9% | 72 |
| 22 Jul 2026 | 39.0% | 72 |
| 21 Jul 2026 | 38.8% | 72 |
| 20 Jul 2026 | 38.6% | 71 |
| 19 Jul 2026 | 38.5% | 71 |
| 18 Jul 2026 | 38.4% | 71 |
| 17 Jul 2026 | 38.3% | 71 |
| 16 Jul 2026 | 38.2% | 71 |
| 15 Jul 2026 | 38.1% | 71 |
Frequently asked questions
What is the current water level of Wellington?
As of July 26, 2026, Wellington is at 39.0% of its capacity, holding approximately 72 hm³ of water, according to BOM data.
Is Wellington reservoir full?
No. As of July 26, 2026, Wellington is low at 39.0% of its capacity, so it is not full.
Is the water level at Wellington rising or falling?
The level at Wellington has been broadly stable over the latest week on record (+0.2 points).
How much water can Wellington hold?
Wellington has a total capacity of 185 hm³, of which about 184 hm³ is usable storage.
Where is Wellington reservoir located?
Wellington is located in Western Australia, Australia, within the Collie River Basin basin (coordinates 33.384°S, 116.009°E).
When was Wellington dam built?
The dam at Wellington was completed in 1933.
What is Wellington used for?
Wellington is used primarily for water supply, and is managed by BOM.