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Lakes Bungana, Brearley and Brickworks

The Bungana, Brearley and Brickworks Lakes are found on the Maylands peninsula. The three man-made lakes are nestled amongst residential properties and public open spaces beside the Maylands Golf Course.

History

The lakes are old clay pits, previously used by the nearby Maylands Brickworks. Maylands Brickworks operated from 1927 to 1984, and is now a registered heritage site. Following the 1986 Meckering earthquake, some of the old brickworks structures were demolished and rubble was placed in these claypits. After the Brickworks closed, the clay pits were allowed to naturally fill with water, forming these lakes.

Issues with the lakes

As the lakes were once clay pits, they have environmental issues including:

  • Poor water quality
  • Algal blooms
  • Low oxygen levels.
  • A lack of native flora and fauna.
Brickworks Lake Brickworks Lake

What is being done to fix them?

In 2015, the City conducted a year long water quality study of the three lakes. An environmental consultant was hired to review the data and the findings were published in the Lake Bungana, Lake Brearley & Brickworks Lake, Maylands Environmental Report. Some of the suggested short and long term options were:

  • Revegetation
  • Physical removal of algae and waste
  • Reduction of phosphorus levels (Phoslock application)
  • Dredging
  • Extension of the lakes.

Phoslock application

In February 2018, the City applied phoslock to the three lakes. Phoslock helps to minimise the re-release of phosphorous from the sediment back into the water.

Phoslock was applied to the lakes by boat and from the edge of the lake with a hose. The clay is white and this will give the lakes a milky colour for approximately two weeks as the clay settles to the bottom of the lakes. 

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