Reservoir · Western Australia · Australia · BOM Water Data Online
Harvey
50.8% full
Capacity
56.4 hm³
Volume stored
29 hm³
River
Harvey River
Year completed
2002
Coordinates
33.079°S, 115.942°E
Last updated
2026-07-26
Current fill
50.8%vs 7 days ago
+0.1%gaining
vs 1 year ago
+10.4%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. -33.079, 115.942 · Open in Google Maps
About Harvey
As of July 26, 2026, Harvey is filled to 50.8% of its total capacity, holding roughly 29 hm³ of water out of a maximum 56 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 (+0.1 pts), and it is 10.4 points above its level on the same date a year earlier.
Across the readings we hold for Harvey — 1057 data points between July 30, 2023 and July 26, 2026 — the level has ranged from a low of 34.6% (May 23, 2024) to a high of 93.4% (October 22, 2024). On average the reservoir is fullest around October and at its lowest around May.
The dam at Harvey was completed in 2002. It is operated by BOM primarily for water supply. It lies within the Harvey River Basin basin at 33.079°S, 115.942°E.
Key facts
- Current fill level
- 50.8%
- Water stored
- 29 hm³
- Total capacity
- 56 hm³
- Usable capacity
- 56 hm³
- 7-day change
- ▲ 0.1 pts
- Year-on-year
- ▲ 10.4 pts
- Primary use
- Water supply
- River
- Harvey River
- River basin
- Harvey River Basin
- Year completed
- 2002
- Operator
- BOM
- Coordinates
- 33.079°S, 115.942°E
- Last updated
- July 26, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 26 Jul 2026 | 50.8% | 29 |
| 25 Jul 2026 | 50.7% | 29 |
| 24 Jul 2026 | 50.6% | 29 |
| 23 Jul 2026 | 50.4% | 28 |
| 22 Jul 2026 | 50.2% | 28 |
| 21 Jul 2026 | 50.2% | 28 |
| 20 Jul 2026 | 50.1% | 28 |
| 19 Jul 2026 | 49.7% | 28 |
| 18 Jul 2026 | 49.4% | 28 |
| 17 Jul 2026 | 48.9% | 28 |
| 16 Jul 2026 | 48.4% | 27 |
| 15 Jul 2026 | 47.8% | 27 |
Frequently asked questions
What is the current water level of Harvey?
As of July 26, 2026, Harvey is at 50.8% of its capacity, holding approximately 29 hm³ of water, according to BOM data.
Is Harvey reservoir full?
No. As of July 26, 2026, Harvey is within its normal operating range at 50.8% of its capacity, so it is not full.
Is the water level at Harvey rising or falling?
The level at Harvey has been broadly stable over the latest week on record (+0.1 points).
How much water can Harvey hold?
Harvey has a total capacity of 56 hm³, of which about 56 hm³ is usable storage.
Where is Harvey reservoir located?
Harvey is located in Western Australia, Australia, within the Harvey River Basin basin (coordinates 33.079°S, 115.942°E).
When was Harvey dam built?
The dam at Harvey was completed in 2002.
What is Harvey used for?
Harvey is used primarily for water supply, and is managed by BOM.