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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
Tallowa Water Level

Tallowa Water Level

New South Wales · Sydney
Reviewed by Water Resources Analyst
Hydrological Summary: Tallowa currently stores 100% of its total 90 GL capacity. Located in NSW and operated by WaterNSW, it is a critical water source for regional supply and irrigation.
Data officially sourced and updated from New South Wales water authorities. Last dataset update: 2026-06-02 00:00:00
Current Storage Level 100%
Total Capacity
90 GL
Status
Normal / Safe
Operator
WaterNSW
Last Updated
02 Jun 2026
Live Weather
15°C Partly cloudy
Rain: 0mm | Hum: 53%

Water Level Analysis

Tallowa is currently operating near maximum storage limits. With current readings at 100%, the reservoir holds a robust 90 GL. This near-full status guarantees strong water availability for local communities and agriculture.

Catchment & Hydrological Impact

The Shoalhaven River acts as the primary lifeblood for Tallowa, making it a cornerstone of the South East Coast (NSW) network. Managing the flow from the Shoalhaven River ensures that downstream agricultural zones receive consistent supply. Catchment dynamics in the South East Coast (NSW) are deeply influenced by the retention capacity of Tallowa.

Agricultural & Economic Significance

Agriculture in the surrounding areas of New South Wales depends heavily on the water security provided by Tallowa. 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. When capacity allows, Tallowa becomes a hub for regional tourism and water sports. 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 15°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 Tallowa's water levels will depend heavily on upcoming seasonal rainfall patterns. 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 Tallowa is absolutely essential.

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Frequently Asked Questions

What is the current water level of Tallowa?
As of the latest official reading, the water level at Tallowa is at 100% of its total capacity.
Is Tallowa currently full?
Yes, Tallowa is virtually full at 100%.
What is the maximum water capacity of Tallowa?
When completely full (100%), Tallowa can hold up to 90 Gigalitres (GL) of water.
Where is Tallowa located?
This reservoir is a critical water storage facility located in the state of New South Wales, Australia.
How does the water level at Tallowa affect local agriculture?
Water levels dictate the irrigation allocations for surrounding farmlands. A healthy level of 100% ensures that local farmers have the necessary water security for their seasonal crops and livestock.
Who manages the data for Tallowa?
The data is sourced from official government authorities including the Bureau of Meteorology (BOM) and specific state water utilities.

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