Real-Time Dam Levels
Across Australia

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

60.4% National average
303 Dams tracked
87,729 GL Total capacity
19 Jul 2026 Last Updated

Great Lake Water Level

Tasmania · South Esk Great Lake
Reviewed by Water Resources Analyst
Hydrological Summary: Great Lake currently stores 29.7% 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: 2026-07-17 00:00:00
Current Storage Level 29.7%
Total Capacity
3,157 GL
Status
Normal / Safe
Operator
Hydro Tasmania
Last Updated
17 Jul 2026
Live Weather
12°C Partly cloudy
Rain: 0mm | Hum: 39%

Water Level Analysis

Great Lake is experiencing significant storage depletion. At 29.7%, the facility only holds 3,157 GL. Drought conditions appear to be heavily impacting this specific catchment area.

Agricultural & Economic Significance

Beyond standard municipal supply, Great Lake is a vital asset for the regional agricultural economy in Tasmania. The local economy, heavily rooted in agriculture, fluctuates in tandem with the health of this reservoir. Without the buffer provided by this massive 3,157 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, Great Lake 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

Cooler current temperatures of 12°C help minimize evaporation losses across the reservoir. 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 Great Lake?
As of the latest official reading, the water level at Great Lake is at 29.7% of its total capacity.
Is Great Lake currently full?
No, it is currently experiencing low water levels at 29.7%.
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 29.7% 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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