Reservoir · Victoria · Australia · BOM Water Data Online
Rocklands Reservoir
33.7% full
Capacity
296 hm³
Volume stored
100 hm³
River
Mid-Glenelg River
Year completed
1953
Coordinates
37.252°S, 142.074°E
Last updated
2026-07-29
Current fill
33.7%vs 7 days ago
+0.1%gaining
vs 1 year ago
+6.7%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: 2026-07-29.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -37.252, 142.074 · Open in Google Maps
About Rocklands Reservoir
As of July 29, 2026, Rocklands Reservoir is filled to 33.7% of its total capacity, holding roughly 100 hm³ of water out of a maximum 296 hm³. At this level the reservoir is low. Of that total, about 293 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 6.7 points above its level on the same date a year earlier.
Across the readings we hold for Rocklands Reservoir — 1096 data points between July 30, 2023 and July 29, 2026 — the level has ranged from a low of 25.9% (April 30, 2026) to a high of 62.8% (July 30, 2023). On average the reservoir is fullest around September and at its lowest around May.
The dam at Rocklands Reservoir was completed in 1953. It is operated by BOM primarily for water supply. It lies within the Mid-Glenelg River Basin basin at 37.252°S, 142.074°E.
Key facts
- Current fill level
- 33.7%
- Water stored
- 100 hm³
- Total capacity
- 296 hm³
- Usable capacity
- 293 hm³
- 7-day change
- ▲ 0.1 pts
- Year-on-year
- ▲ 6.7 pts
- Primary use
- Water supply
- River
- Mid-Glenelg River
- River basin
- Mid-Glenelg River Basin
- Year completed
- 1953
- Operator
- BOM
- Coordinates
- 37.252°S, 142.074°E
- Last updated
- July 29, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 29 Jul 2026 | 33.7% | 100 |
| 28 Jul 2026 | 33.6% | 100 |
| 27 Jul 2026 | 33.6% | 99 |
| 26 Jul 2026 | 33.5% | 99 |
| 25 Jul 2026 | 33.4% | 99 |
| 24 Jul 2026 | 33.3% | 99 |
| 23 Jul 2026 | 33.3% | 98 |
| 22 Jul 2026 | 33.2% | 98 |
| 21 Jul 2026 | 33.1% | 98 |
| 20 Jul 2026 | 33.0% | 98 |
| 19 Jul 2026 | 32.9% | 97 |
| 18 Jul 2026 | 32.7% | 97 |
Frequently asked questions
What is the current water level of Rocklands Reservoir?
As of July 29, 2026, Rocklands Reservoir is at 33.7% of its capacity, holding approximately 100 hm³ of water, according to BOM data.
Is Rocklands Reservoir reservoir full?
No. As of July 29, 2026, Rocklands Reservoir is low at 33.7% of its capacity, so it is not full.
Is the water level at Rocklands Reservoir rising or falling?
The level at Rocklands Reservoir has been broadly stable over the latest week on record (+0.1 points).
How much water can Rocklands Reservoir hold?
Rocklands Reservoir has a total capacity of 296 hm³, of which about 293 hm³ is usable storage.
Where is Rocklands Reservoir reservoir located?
Rocklands Reservoir is located in Victoria, Australia, within the Mid-Glenelg River Basin basin (coordinates 37.252°S, 142.074°E).
When was Rocklands Reservoir dam built?
The dam at Rocklands Reservoir was completed in 1953.
What is Rocklands Reservoir used for?
Rocklands Reservoir is used primarily for water supply, and is managed by BOM.