Deadly E. coli found in Milnerton Lagoon

2013-11-06 11:51
Escherichia coli.

Escherichia coli.

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Cape Town - A high concentration of deadly E. coli has been recorded at the Milnerton Lagoon, sparking warnings by the City of Cape Town for residents in the popular recreational area.

Mayoral committee member for utilities, Ernest Sonnenberg, said E. coli (Escherichia coli) bacteria concentrations are outside national guidelines.

According to Sonnenberg there is no immediate risk to plant and aquatic life, but warned that higher temperatures could pose risks.

“Dissolved oxygen levels can be negatively affected, because adequate dissolved oxygen is necessary for good water quality,” he said.

The sewage spill is being regularly treated with a mixture of several bacteria and enzymes.

“Enzymes play an important role in the hydrolysis of organics in wastewater. The concentrated mix of bacteria used is naturally occurring and accelerates the catabolism of organic matter.”

He said pumping capacity to the treatment plant has been maximised and repair work is being carried out in periods of low sewage flows to minimise sewage spillages.

All recreational activities in the affected areas are prohibited until further notice.

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Read more on:    cape town  |  environment  |  pollution  |  marine
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