Real-Time Dam Levels
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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
Cotter Water Level

Cotter Water Level

Reviewed by Water Resources Analyst
Hydrological Summary: Cotter currently stores 98.9% of its total 79 GL capacity. Located in ACT and operated by Icon Water, it is a critical water source for regional supply and irrigation.
Data officially sourced and updated from Australian Capital Territory water authorities. Last dataset update: 2026-06-02 18:00:00
Current Storage Level 98.9%
Total Capacity
79 GL
Status
Normal / Safe
Operator
Icon Water
Last Updated
02 Jun 2026
Live Weather
8°C Partly cloudy
Rain: 0mm | Hum: 75%

Water Level Analysis

Cotter is currently operating near maximum storage limits. With current readings at 98.9%, the reservoir holds a robust 79 GL. This provides immense water security for the Australian Capital Territory region.

Catchment & Hydrological Impact

The Cotter River acts as the primary lifeblood for Cotter, making it a cornerstone of the Murray-Darling Basin network. Managing the flow from the Cotter River 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, Cotter is a vital asset for the regional agricultural economy in Australian Capital Territory. Irrigation allocations are directly tied to these storage metrics. Without the buffer provided by this massive 79 GL storage, regional farming would face extreme volatility.

Ecological & Recreational Context

The surrounding catchment of Cotter also supports diverse local flora and fauna. 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. Under current partly cloudy weather, there is no direct rainfall contributing to the immediate storage levels.

Future Outlook & Monitoring

Looking ahead, the trajectory of Cotter's water levels will depend heavily on upcoming seasonal rainfall patterns. 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 Cotter?
As of the latest official reading, the water level at Cotter is at 98.9% of its total capacity.
Is Cotter currently full?
Yes, Cotter is virtually full at 98.9%.
What is the maximum water capacity of Cotter?
When completely full (100%), Cotter can hold up to 79 Gigalitres (GL) of water.
Where is Cotter located?
This reservoir is a critical water storage facility located in the state of Australian Capital Territory, Australia.
How does the water level at Cotter affect local agriculture?
Water levels dictate the irrigation allocations for surrounding farmlands. A healthy level of 98.9% ensures that local farmers have the necessary water security for their seasonal crops and livestock.
Who manages the data for Cotter?
The data is sourced from official government authorities including the Bureau of Meteorology (BOM) and specific state water utilities.

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