Health New Zealand lifts algal bloom health warning for Hae Hae Te Moana River at Te Moana Gorge on 21 November 2023 due to reduced toxic algae levels.
Health New Zealand | Te Whatu Ora has lifted its algal bloom health warning for Hae Hae Te Moana River at Te Moana Gorge, effective from 21 November 2023. Recent cyanobacteria surveys revealed a reduced cover of toxic algae (benthic cyanobacteria), now below public health concern levels. However, health warnings remain for other South Canterbury waterways due to ongoing algal blooms.
April 18, 2024
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