Real-Time Dam Levels
Across Australia

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

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

Great Lake Water Level

Tasmania · South Esk Great Lake
Reviewed by Water Resources Analyst
Hydrological Summary: Great Lake currently stores 25.6% of its total 3,157 GL capacity. Located in TAS and operated by Hydro Tasmania, it is a critical water source for regional supply and irrigation.
Data officially sourced and updated from Tasmania water authorities. Last dataset update: 2026-06-02 00:00:00
Current Storage Level 25.6%
Total Capacity
3,157 GL
Status
Normal / Safe
Operator
Hydro Tasmania
Last Updated
02 Jun 2026
Live Weather
5°C Partly cloudy
Rain: 0mm | Hum: 100%

Water Level Analysis

Great Lake is experiencing significant storage depletion. With the reservoir sitting at just 25.6%, the total available volume is 3,157 GL. This lower-than-average capacity may trigger preliminary water-saving advisories in Tasmania if dry conditions persist.

Agricultural & Economic Significance

Agriculture in the surrounding areas of Tasmania depends heavily on the water security provided by Great Lake. The local economy, heavily rooted in agriculture, fluctuates in tandem with the health of this reservoir. 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

Cooler current temperatures of 5°C help minimize evaporation losses across the reservoir. 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. State water authorities utilize highly sophisticated monitoring tools to ensure every drop is accounted for. Given the unpredictable nature of Australia's climate, from La Niña flooding to El Niño droughts, maintaining a dynamic operational strategy for Great Lake is absolutely essential.

Location Map

Frequently Asked Questions

What is the current water level of Great Lake?
As of the latest official reading, the water level at Great Lake is at 25.6% of its total capacity.
Is Great Lake currently full?
No, it is currently experiencing low water levels at 25.6%.
What is the maximum water capacity of Great Lake?
When completely full (100%), Great Lake can hold up to 3,157 Gigalitres (GL) of water.
Where is Great Lake located?
This reservoir is a critical water storage facility located in the state of Tasmania, Australia.
How does the water level at Great Lake affect local agriculture?
Water levels dictate the irrigation allocations for surrounding farmlands. A healthy level of 25.6% ensures that local farmers have the necessary water security for their seasonal crops and livestock.
Who manages the data for Great Lake?
The data is sourced from official government authorities including the Bureau of Meteorology (BOM) and specific state water utilities.

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