Balla Balla River

Last updated

Balla Balla River
Location
Country Australia
Physical characteristics
Source 
 • locationnear Whim Creek
 • elevation68 metres (223 ft) [1]
Mouth  
 • location
 Indian Ocean
 • elevation
 sea level
Length30 kilometres (19 mi)

Balla Balla River is a river in the Pilbara region of Western Australia.

The river rises on the southern side of Yirrakulanna Hills and flows in a north-easterly direction crossing the North West Coastal Highway near the Stranger mine at Whim Creek then finally discharging into Balla Balla harbour, near Depuch Island in the Indian Ocean.

The river is ephemeral and can be completely dry in the summer months, but during periodic flood events the water level can rise over 5.5 metres (18 ft). [2] The riparian vegetation is dominated by river red gums.

The river has three tributaries, Whim Creek, Louden Creek and Caporn Creek.

The river name was recorded in 1878 by John Forrest, who was surveying the area at the time. The name is believed to be Aboriginal in origin and is thought to come from the Kanyarra word Parla, which means mud. [3]

The traditional owners of the area are the Ngarluma people, who inhabited the region around the Balla Balla, the Maitland and the Sherlock Rivers. [4]

The area to the west of the river contains potentially economic deposits of magnetite.

The town of Balla Balla, gazetted in 1898, was once located near the river mouth. It acted as a port for the Whim Creek copper mine. [5]

In 2019, the owners of the Whim Creek Copper Mine were handed an Environmental Protection Notice by the Department of Water and Environmental Regulation because of seepage of heavy metals from the mine into the Balla Balla River, considered a serious pollution risk. While in care and maintenance and with no active mining, Black Rock Minerals re-processed existing stockpiles through a small process plant and heap leach. Copper levels of 3.5 milligrams per litre were recorded in the local drinking water, well above the permitted level of 0.002 milligrams per litre. The small scale re-processing at Whim Creek eventually ceased in October 2019. [6] [7]

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References

  1. ↑ "Bonzle Digital Atlas – Map of Balla Balla River". 2010. Retrieved 22 August 2010.
  2. ↑ "EPA Report - Balla Balla Magnetite Project" (PDF). 2009. Archived from the original (PDF) on 6 July 2011. Retrieved 22 August 2010.
  3. ↑ "History of river names – B". Western Australian Land Information Authority. Retrieved 3 September 2011.
  4. ↑ "Ausanthrop tribal database - Ngarluma". 2009. Archived from the original on 6 July 2010. Retrieved 22 August 2010.
  5. ↑ "Morowa Historical Society - Ghosttowns of Western Australia" (PDF). 2000. Archived from the original (PDF) on 12 March 2011. Retrieved 7 November 2010.
  6. ↑ Standen, Susan (18 August 2019). "Whim Creek copper mine faces questions over possible Pilbara river pollution". ABC Pilbara . Retrieved 14 May 2022.
  7. ↑ "Whim Creek Project History". Anax Metals. Retrieved 14 May 2022.

Coordinates: 20°41′53″S117°47′57″E / 20.69806°S 117.79917°E / -20.69806; 117.79917


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