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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
Penstock Lagoon Water Level

Penstock Lagoon Water Level

Tasmania · Lower Derwent
Reviewed by Water Resources Analyst
Hydrological Summary: Penstock Lagoon currently stores 86.4% of its total 1 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 17:45:00
Current Storage Level 86.4%
Total Capacity
1 GL
Status
Normal / Safe
Operator
Hydro Tasmania
Last Updated
17 Jul 2026
Live Weather
14°C Partly cloudy
Rain: 0mm | Hum: 31%

Water Level Analysis

Water levels at Penstock Lagoon are well within positive historical averages. At 86.4% capacity, the facility is holding 1 GL of water. This volume provides a solid foundation for both urban and agricultural demands across Tasmania.

Agricultural & Economic Significance

Beyond standard municipal supply, Penstock Lagoon 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 1 GL storage, regional farming would face extreme volatility.

Ecological & Recreational Context

The surrounding catchment of Penstock Lagoon 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 14°C today, surface evaporation is significantly reduced, helping to preserve current volume. With 0mm of recent rainfall and partly cloudy skies, the catchment is relatively dry today.

Future Outlook & Monitoring

Looking ahead, the trajectory of Penstock Lagoon's water levels will depend heavily on upcoming seasonal rainfall patterns. Continuous telemetry and advanced hydrological modeling are employed to forecast storage changes. 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 Penstock Lagoon?
As of the latest official reading, the water level at Penstock Lagoon is at 86.4% of its total capacity.
Is Penstock Lagoon currently full?
It is partially full, currently holding steady at 86.4%.
What is the maximum water capacity of Penstock Lagoon?
When completely full (100%), Penstock Lagoon can hold up to 1 Gigalitres (GL) of water.
Where is Penstock Lagoon located?
This reservoir is a critical water storage facility located in the state of Tasmania, Australia.
How does the water level at Penstock Lagoon affect local agriculture?
Water levels dictate the irrigation allocations for surrounding farmlands. A healthy level of 86.4% ensures that local farmers have the necessary water security for their seasonal crops and livestock.
Who manages the data for Penstock Lagoon?
The data is sourced from official government authorities including the Bureau of Meteorology (BOM) and specific state water utilities.

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