Reservoir · South Australia · Australia · BOM Water Data Online
Lock 3 - Overland Corner
73.8% full
Capacity
50.5 hm³
Volume stored
37 hm³
River
River Murray
Year completed
1925
Coordinates
34.192°S, 140.362°E
Last updated
2026-06-10
Current fill
73.8%vs 7 days ago
0.0%stable
vs 1 year ago
+1.0%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: 2026-06-10.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -34.192, 140.362 · Open in Google Maps
About Lock 3 - Overland Corner
As of June 10, 2026, Lock 3 - Overland Corner is filled to 73.8% of its total capacity, holding roughly 37 hm³ of water out of a maximum 51 hm³. At this level the reservoir is within its normal operating range. Of that total, about 37 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (+0.0 pts), and it is 1.0 points above its level on the same date a year earlier.
Across the readings we hold for Lock 3 - Overland Corner — 1095 data points between June 12, 2023 and June 10, 2026 — the level has ranged from a low of 71.1% (September 19, 2023) to a high of 75.9% (March 2, 2026). On average the reservoir is fullest around January and at its lowest around November.
The dam at Lock 3 - Overland Corner was completed in 1925. It is operated by BOM primarily for water supply. It lies within the River Murray Basin basin at 34.192°S, 140.362°E.
Key facts
- Current fill level
- 73.8%
- Water stored
- 37 hm³
- Total capacity
- 51 hm³
- Usable capacity
- 37 hm³
- 7-day change
- No change
- Year-on-year
- ▲ 1.0 pts
- Primary use
- Water supply
- River
- River Murray
- River basin
- River Murray Basin
- Year completed
- 1925
- Operator
- BOM
- Coordinates
- 34.192°S, 140.362°E
- Last updated
- June 10, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 10 Jun 2026 | 73.8% | 37 |
| 9 Jun 2026 | 73.8% | 37 |
| 8 Jun 2026 | 73.8% | 37 |
| 7 Jun 2026 | 73.8% | 37 |
| 6 Jun 2026 | 73.8% | 37 |
| 5 Jun 2026 | 73.8% | 37 |
| 4 Jun 2026 | 73.9% | 37 |
| 3 Jun 2026 | 73.8% | 37 |
| 2 Jun 2026 | 73.8% | 37 |
| 1 Jun 2026 | 74.0% | 37 |
| 31 May 2026 | 74.0% | 37 |
| 30 May 2026 | 74.2% | 38 |
Frequently asked questions
What is the current water level of Lock 3 - Overland Corner?
As of June 10, 2026, Lock 3 - Overland Corner is at 73.8% of its capacity, holding approximately 37 hm³ of water, according to BOM data.
Is Lock 3 - Overland Corner reservoir full?
No. As of June 10, 2026, Lock 3 - Overland Corner is within its normal operating range at 73.8% of its capacity, so it is not full.
Is the water level at Lock 3 - Overland Corner rising or falling?
The level at Lock 3 - Overland Corner has been broadly stable over the latest week on record (0.0 points).
How much water can Lock 3 - Overland Corner hold?
Lock 3 - Overland Corner has a total capacity of 51 hm³, of which about 37 hm³ is usable storage.
Where is Lock 3 - Overland Corner reservoir located?
Lock 3 - Overland Corner is located in South Australia, Australia, within the River Murray Basin basin (coordinates 34.192°S, 140.362°E).
When was Lock 3 - Overland Corner dam built?
The dam at Lock 3 - Overland Corner was completed in 1925.
What is Lock 3 - Overland Corner used for?
Lock 3 - Overland Corner is used primarily for water supply, and is managed by BOM.