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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
Tallowa Water Level

Tallowa Water Level

New South Wales · Sydney
Reviewed by Water Resources Analyst
Hydrological Summary: Tallowa currently stores 99.5% 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: 2026-07-17 00:00:00
Current Storage Level 99.5%
Total Capacity
90 GL
Status
Normal / Safe
Operator
WaterNSW
Last Updated
17 Jul 2026
Live Weather
17°C Clear sky
Rain: 0mm | Hum: 57%

Water Level Analysis

Tallowa is currently operating near maximum storage limits. Standing at an impressive 99.5%, the total volume sits at 90 GL. This provides immense water security for the New South Wales region.

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. Farmers and agribusinesses monitor these levels closely to plan their seasonal crop yields. Sustainable water management here ensures that both crops and livestock can survive prolonged dry spells.

Ecological & Recreational Context

The surrounding catchment of Tallowa 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

Current local temperatures are sitting at a moderate 17°C. Under current clear sky 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. 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 Tallowa?
As of the latest official reading, the water level at Tallowa is at 99.5% of its total capacity.
Is Tallowa currently full?
Yes, Tallowa is virtually full at 99.5%.
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 99.5% 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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