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Track water storage, capacity and historical trends for major reservoirs in New South Wales, Victoria, Queensland and beyond.

57.7% National average
303 Dams tracked
87,729 GL Total capacity
04 Jun 2026 Last Updated
Toolondo Reservoir Water Level

Toolondo Reservoir Water Level

Victoria · Wimmera Mallee
Reviewed by Water Resources Analyst
Hydrological Summary: Toolondo Reservoir currently stores 21.2% of its total 51 GL capacity. Located in VIC and operated by GWMWater, it is a critical water source for regional supply and irrigation.
Data officially sourced and updated from Victoria water authorities. Last dataset update: 2026-06-03 09:00:00
Current Storage Level 21.2%
Total Capacity
51 GL
Status
Normal / Safe
Operator
GWMWater
Last Updated
03 Jun 2026
Live Weather
10°C Partly cloudy
Rain: 0mm | Hum: 84%

Water Level Analysis

The current volume at Toolondo Reservoir is running lower than standard operational thresholds. With the reservoir sitting at just 21.2%, the total available volume is 51 GL. This lower-than-average capacity may trigger preliminary water-saving advisories in Victoria if dry conditions persist.

Catchment & Hydrological Impact

The Off-stream acts as the primary lifeblood for Toolondo Reservoir, making it a cornerstone of the Murray-Darling Basin network. Managing the flow from the Off-stream ensures that downstream agricultural zones receive consistent supply. The Murray-Darling Basin region relies heavily on the seasonal inflows captured here.

Agricultural & Economic Significance

Beyond standard municipal supply, Toolondo Reservoir is a vital asset for the regional agricultural economy in Victoria. Farmers and agribusinesses monitor these levels closely to plan their seasonal crop yields. Without the buffer provided by this massive 51 GL storage, regional farming would face extreme volatility.

Ecological & Recreational Context

Ecologically, the reservoir and its immediate wetlands serve as a crucial habitat for native Australian wildlife. When capacity allows, Toolondo Reservoir becomes a hub for regional tourism and water sports. However, environmental flow releases must be carefully balanced to protect downstream river health.

Current Weather & Evaporation Impact

With a mild reading of 10°C today, surface evaporation is significantly reduced, helping to preserve current volume. Under current partly cloudy weather, there is no direct rainfall contributing to the immediate storage levels.

Future Outlook & Monitoring

The Bureau of Meteorology's climate outlooks will play a pivotal role in predicting the future inflows for this catchment. Continuous telemetry and advanced hydrological modeling are employed to forecast storage changes. Given the unpredictable nature of Australia's climate, from La Niña flooding to El Niño droughts, maintaining a dynamic operational strategy for Toolondo Reservoir is absolutely essential.

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Frequently Asked Questions

What is the current water level of Toolondo Reservoir?
As of the latest official reading, the water level at Toolondo Reservoir is at 21.2% of its total capacity.
Is Toolondo Reservoir currently full?
No, it is currently experiencing low water levels at 21.2%.
What is the maximum water capacity of Toolondo Reservoir?
When completely full (100%), Toolondo Reservoir can hold up to 51 Gigalitres (GL) of water.
Where is Toolondo Reservoir located?
This reservoir is a critical water storage facility located in the state of Victoria, Australia.
How does the water level at Toolondo Reservoir affect local agriculture?
Water levels dictate the irrigation allocations for surrounding farmlands. A healthy level of 21.2% ensures that local farmers have the necessary water security for their seasonal crops and livestock.
Who manages the data for Toolondo Reservoir?
The data is sourced from official government authorities including the Bureau of Meteorology (BOM) and specific state water utilities.

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