scoop.co.nz 17 Mar, 2021 04:00 am

Health Warning Removed For Algal Bloom In Hakatere/Ashburton River At SH1

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Community i Environment Health Warning Removed For Algal Bloom In Hakatere/Ashburton River At SH1 March 17, 2021 Environment, Health Press Release – Canterbury District Health Board Canterbury DHBs Community and Public Health unit has lifted its algal bloom health warning issued for the Hakatere/Ashburton River at SH1.Recent cyanobacteria surveys of the Hakatere/Ashburton River at SH1 have shown the cover of potentially toxic … Canterbury DHB’s Community and Public Health unit has lifted its algal bloom health warning issued for the Hakatere/Ashburton River at SH1.Recent cyanobacteria surveys of the Hakatere/Ashburton River at SH1 have shown the cover of potentially toxic algae (benthic cyanobacteria) in the river has reduced and is now below levels that are of concern to public health.Warnings remain in place for the Hakatere/Ashburton River at other locations due to ongoing algal blooms.

These are: Hakatere/Ashburton River at Boundary Road Hakatere/Ashburton River at Hills Road Hakatere/Ashburton River at the Hāpua (River Mouth) Facts about cyanobateria: Appears as dark brown/black mats attached to rocks along the riverbed.Although high river levels will remove the algal bloom, detached mats can accumulate along the shore and increase the risk of exposure to toxins.

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