Tuesday 10 November 2020Media release2 minutes to read
Canterbury District Health Board’s Community and Public Health unit has lifted its algal bloom health warning for Lake Forsyth/Te Roto o Wairewa.
Recent water testing at Lake Forsyth/Te Roto o Wairewa has shown the quantity of potentially toxic blue-green algae (planktonic cyanobacteria) in the lake has decreased and concentrations are now below levels that are of concern to public health.
Canterbury Medical Officer of Health Dr Ramon Pink says Environment Canterbury’s sampling of Te Roto o Wairewa will continue on a fortnightly basis during the summer months.
“The public will be informed if testing shows that concentrations have increased and there is a risk to public health again,” Dr Pink says.
Facts about cyanobacteria:
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Page last updated: 19 August 2021
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