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

57.3% National average
303 Dams tracked
87,729 GL Total capacity
06 Jun 2026 Last Updated
Mary Barrage Water Level

Mary Barrage Water Level

Queensland · Mary River
Reviewed by Water Resources Analyst
Hydrological Summary: Mary Barrage currently stores 65.2% of its total 12 GL capacity. Located in QLD and operated by SunWater, it is a critical water source for regional supply and irrigation.
Data officially sourced and updated from Queensland water authorities. Last dataset update: 2026-06-04 11:00:00
Current Storage Level 65.2%
Total Capacity
12 GL
Status
Normal / Safe
Operator
SunWater
Last Updated
04 Jun 2026
Live Weather
21°C Clear sky
Rain: 0mm | Hum: 40%

Water Level Analysis

Mary Barrage is currently exhibiting average water retention levels. Sitting at 65.2%, the total stored volume is 12 GL. Authorities continue to monitor inflows carefully.

Catchment & Hydrological Impact

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

Agricultural & Economic Significance

Beyond standard municipal supply, Mary Barrage is a vital asset for the regional agricultural economy in Queensland. 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. During periods of healthy water levels, the area often sees an increase in recreational activities such as fishing, boating, and camping. However, environmental flow releases must be carefully balanced to protect downstream river health.

Current Weather & Evaporation Impact

The weather around the catchment is currently recording 21°C. Currently experiencing clear sky 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. Given the unpredictable nature of Australia's climate, from La Niña flooding to El Niño droughts, maintaining a dynamic operational strategy for Mary Barrage is absolutely essential.

Location Map

Frequently Asked Questions

What is the current water level of Mary Barrage?
As of the latest official reading, the water level at Mary Barrage is at 65.2% of its total capacity.
Is Mary Barrage currently full?
It is partially full, currently holding steady at 65.2%.
What is the maximum water capacity of Mary Barrage?
When completely full (100%), Mary Barrage can hold up to 12 Gigalitres (GL) of water.
Where is Mary Barrage located?
This reservoir is a critical water storage facility located in the state of Queensland, Australia.
How does the water level at Mary Barrage affect local agriculture?
Water levels dictate the irrigation allocations for surrounding farmlands. A healthy level of 65.2% ensures that local farmers have the necessary water security for their seasonal crops and livestock.
Who manages the data for Mary Barrage?
The data is sourced from official government authorities including the Bureau of Meteorology (BOM) and specific state water utilities.

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