Reservoir · Western Australia · Australia · BOM Water Data Online
Harding
87.3% full
Capacity
63.8 hm³
Volume stored
56 hm³
River
Harding River
Year completed
1985
Coordinates
21.012°S, 117.116°E
Last updated
2026-07-23
Current fill
87.3%vs 7 days ago
-0.3%losing
vs 1 year ago
-5.8%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: 2026-07-23.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -21.012, 117.116 · Open in Google Maps
About Harding
As of July 23, 2026, Harding is filled to 87.3% of its total capacity, holding roughly 56 hm³ of water out of a maximum 64 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (-0.3 pts), and it is 5.8 points below its level on the same date a year earlier.
Across the readings we hold for Harding — 1090 data points between July 30, 2023 and July 23, 2026 — the level has ranged from a low of 15.8% (February 4, 2026) to a high of 105.6% (March 31, 2026). On average the reservoir is fullest around April and at its lowest around January.
The dam at Harding was completed in 1985. It is operated by BOM primarily for water supply. It lies within the Harding River Basin basin at 21.012°S, 117.116°E.
Key facts
- Current fill level
- 87.3%
- Water stored
- 56 hm³
- Total capacity
- 64 hm³
- 7-day change
- ▼ 0.3 pts
- Year-on-year
- ▼ 5.8 pts
- Primary use
- Water supply
- River
- Harding River
- River basin
- Harding River Basin
- Year completed
- 1985
- Operator
- BOM
- Coordinates
- 21.012°S, 117.116°E
- Last updated
- July 23, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 23 Jul 2026 | 87.3% | 56 |
| 22 Jul 2026 | 87.6% | 56 |
| 21 Jul 2026 | 87.9% | 56 |
| 20 Jul 2026 | 88.2% | 56 |
| 19 Jul 2026 | 88.3% | 56 |
| 18 Jul 2026 | 88.5% | 56 |
| 17 Jul 2026 | 88.6% | 57 |
| 16 Jul 2026 | 88.7% | 57 |
| 15 Jul 2026 | 88.8% | 57 |
| 14 Jul 2026 | 88.9% | 57 |
| 13 Jul 2026 | 89.0% | 57 |
| 12 Jul 2026 | 89.1% | 57 |
Frequently asked questions
What is the current water level of Harding?
As of July 23, 2026, Harding is at 87.3% of its capacity, holding approximately 56 hm³ of water, according to BOM data.
Is Harding reservoir full?
No. As of July 23, 2026, Harding is high at 87.3% of its capacity, so it is not full.
Is the water level at Harding rising or falling?
The level at Harding has been broadly stable over the latest week on record (-0.3 points).
How much water can Harding hold?
Harding has a total capacity of 64 hm³.
Where is Harding reservoir located?
Harding is located in Western Australia, Australia, within the Harding River Basin basin (coordinates 21.012°S, 117.116°E).
When was Harding dam built?
The dam at Harding was completed in 1985.
What is Harding used for?
Harding is used primarily for water supply, and is managed by BOM.