Warnings and Alerts

Active warnings and alerts for Canterbury region

• Health Warning – Unsafe Water Quality

  19 DEC 2024 By ENVIRONMENT CANTERBURY (MB)

  Health Warning – Unsafe Recreational Water Quality at Pines Beach Health New Zealand - Te Whatu Ora has issued a health warning after high levels of faecal bacteria were found in samples taken from Pines Beach Dr Annabel Begg, Public Health Medicine Specialist for the National Public Health Service,...
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  Lake Pegasus cyanobacteria warning

  2 DEC 2024 By ENVIRONMENT CANTERBURY (GR)

  Issued 2 December 2024: Health Warning – Algal Bloom in Lake Pegasus Te Mana Ora | Community and Public Health has issued a health warning after potentially toxic blue-green algae (planktonic cyanobacteria) was found in Lake Pegasus. People should avoid the Lake and animals, particularly dogs, shou...
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  Lake Forsyth/Te Roto o Wairewa cyanobacteria alert

  27 NOV 2024 By ENVIRONMENT CANTERBURY (GR)

  27 November 2024: Algal Bloom in Te Roto o Wairewa/ Lake Forsyth Potentially toxic blue-green algae (planktonic cyanobacteria) was found in Te Roto o Wairewa - Lake Forsyth People should avoid the lake and animals, particularly dogs, should not be allowed near the water until the bloom has cleared...
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  Phormidium - River cyanobacteria warnings

  25 NOV 2024 By ENVIRONMENT CANTERBURY (GR)

  HEALTH WARNING UPDATE ISSUED BY TE MANA ORA/COMMUNITY AND PUBLIC HEALTH Submitted by Environment Canterbury (GR) River warnings are now in place for toxic algae (benthic cyanobacteria) in the: Ashley River/Rakahuri at Gorge Bridge - from 5 December 2024 (current) Pareora River/Pureora at SH1 - from...
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  Te Waihora/Lake Ellesmere cyanobacteria warning

  5 MAR 2024 By ENVIRONMENT CANTERBURY (GR)

  Update March 2024: Due to the high biomass of cyanobacteria in the lake the health warning is still current. 8 February 2022 to date Canterbury DHB’s Community and Public Health unit has issued a health warning after potentially toxic blue-green algae (planktonic cyanobacteria) was found in Te Waiho...
• Lake Rotorua - permanent cyanobacteria health warning

  6 MAR 2023

  Long term water testing indicates that there is a regular bloom of the potentially toxic cyanobacteria Anabaena and/or Microcystis present. There is a permanent health warning advising people to avoid contact with water at this lake. Environment Canterbury continues to monitor the lake on a regular...
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  St Annes Lagoon/Mata Kopae cyanobacteria warning

  7 JUL 2022 By ENVIRONMENT CANTERBURY

  Permanent Health Warning for Algal Bloom at Mata Kopae/St Anne’s Lagoon. Issued: 7 July 2022 Long term water testing indicates that potentially toxic cyanobacteria bloom periodically in Mata Kopae/St Anne’s Lagoon. There is a permanent health warning advising people (and animals) to avoid contact wi...