Real-Time Dam Levels
Across Australia

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

57.3% National average
303 Dams tracked
87,729 GL Total capacity
06 Jun 2026 Last Updated

McCay Water Level

Victoria · Unknown
Reviewed by Water Resources Analyst
Hydrological Summary: McCay currently stores 89.4% of its total 1 GL capacity. Located in VIC and operated by Coliban Water, 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 00:00:00
Current Storage Level 89.4%
Total Capacity
1 GL
Status
Normal / Safe
Operator
Coliban Water
Last Updated
03 Jun 2026
Live Weather
8°C Partly cloudy
Rain: 0mm | Hum: 95%

Water Level Analysis

McCay is currently maintaining very healthy storage levels. With a current fill rate of 89.4%, the reservoir contains 1 GL. This volume provides a solid foundation for both urban and agricultural demands across Victoria.

Catchment & Hydrological Impact

The Off-stream acts as the primary lifeblood for McCay, 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

Agriculture in the surrounding areas of Victoria depends heavily on the water security provided by McCay. Farmers and agribusinesses monitor these levels closely to plan their seasonal crop yields. Sustainable water management here ensures that both crops and livestock can survive prolonged dry spells.

Ecological & Recreational Context

Ecologically, the reservoir and its immediate wetlands serve as a crucial habitat for native Australian wildlife. During periods of healthy water levels, the area often sees an increase in recreational activities such as fishing, boating, and camping. Authorities must constantly balance the need for human water consumption with the ecological necessity of maintaining healthy river systems downstream.

Current Weather & Evaporation Impact

With a mild reading of 8°C today, surface evaporation is significantly reduced, helping to preserve current volume. Currently experiencing partly cloudy conditions with no immediate precipitation, inflows remain entirely dependent on upstream river movement.

Future Outlook & Monitoring

The Bureau of Meteorology's climate outlooks will play a pivotal role in predicting the future inflows for this catchment. State water authorities utilize highly sophisticated monitoring tools to ensure every drop is accounted for. Resilience against extreme weather events remains the ultimate goal for the managers of this critical infrastructure.

Location Map

Frequently Asked Questions

What is the current water level of McCay?
As of the latest official reading, the water level at McCay is at 89.4% of its total capacity.
Is McCay currently full?
It is partially full, currently holding steady at 89.4%.
What is the maximum water capacity of McCay?
When completely full (100%), McCay can hold up to 1 Gigalitres (GL) of water.
Where is McCay located?
This reservoir is a critical water storage facility located in the state of Victoria, Australia.
How does the water level at McCay affect local agriculture?
Water levels dictate the irrigation allocations for surrounding farmlands. A healthy level of 89.4% ensures that local farmers have the necessary water security for their seasonal crops and livestock.
Who manages the data for McCay?
The data is sourced from official government authorities including the Bureau of Meteorology (BOM) and specific state water utilities.

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