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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
Penstock Lagoon Water Level

Penstock Lagoon Water Level

Tasmania · Lower Derwent
Reviewed by Water Resources Analyst
Hydrological Summary: Penstock Lagoon currently stores 69.5% 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: 2026-06-02 17:45:00
Current Storage Level 69.5%
Total Capacity
1 GL
Status
Normal / Safe
Operator
Hydro Tasmania
Last Updated
02 Jun 2026
Live Weather
6°C Raining
Rain: 0.4mm | Hum: 100%

Water Level Analysis

Storage levels at Penstock Lagoon are within moderate seasonal bounds. Sitting at 69.5%, the total stored volume is 1 GL. This represents a typical midpoint for the region's hydrological cycle.

Agricultural & Economic Significance

Agriculture in the surrounding areas of Tasmania depends heavily on the water security provided by Penstock Lagoon. 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

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 6°C help minimize evaporation losses across the reservoir. The recorded precipitation of 0.4mm indicates active rainfall in the catchment, which is excellent news for inflows.

Future Outlook & Monitoring

The Bureau of Meteorology's climate outlooks will play a pivotal role in predicting the future inflows for this catchment. Continuous telemetry and advanced hydrological modeling are employed to forecast storage changes. Given the unpredictable nature of Australia's climate, from La Niña flooding to El Niño droughts, maintaining a dynamic operational strategy for Penstock Lagoon is absolutely essential.

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 69.5% of its total capacity.
Is Penstock Lagoon currently full?
It is partially full, currently holding steady at 69.5%.
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 69.5% 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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