Wednesday 29 May 2019Media release2 minutes to read
Canterbury District Health Board’s Community and Public Health unit has lifted the algal bloom health warnings issued along the Ashley/ Rakahuri River at State Highway 1 on the 5 February 2019 and at the Rangiora-Loburn Bridge on 15 January 2019.
Recent cyanobacteria surveying of the water in the Ashley/Rakahuri River has shown the coverage of potentially toxic blue-green algae (benthic cyanobacteria) in the river has decreased and are now below the levels that are of concern to public health.
Canterbury Medical Officer of Health Dr Ramon Pink says Environment Canterbury’s sampling of Canterbury Rivers has come to an end for this season and will resume next summer when there is increased likelihood of cyanobacteria growth.
Facts about cyanobateria:
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Page last updated: 29 May 2019
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