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Document library Annual Coastal Water Quality Report for the Wellington Region 2000-2001

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Category
  • Environmental monitoring > Water quality
  • Title Annual Coastal Water Quality Report for the Wellington Region 2000-2001
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    Date published 1 September 2001
    GWRC Publication No WRC\RINV-G-01/33
    Abstract This report summarises the results of the coastal water quality monitoring
    undertaken by the Wellington Regional Council and several of the
    territorial authorities in the Wellington Region during the period 1 March
    2000 to 30 June 2001. The period covered by the report therefore
    represents a departure from previous years. The change is made to bring
    the reporting year into line with the financial year, thereby enabling more
    efficient planning and co-ordination of changes in the monitoring
    programmes with budget-setting and contracting procedures.

    Results from three monitoring programmes are presented. First: There is
    an analysis of the Region's general coastal water quality using baseline
    enterococci data collected throughout the March 2000 – June 2001
    period by the Wellington Regional Council. Second: There is an analysis
    of the suitability of coastal water in designated areas for the recreational
    gathering of shellfish for human consumption using faecal coliform data
    collected by the Wellington Regional Council. Thirdly: There is an analysis
    of the suitability of coastal water in designated areas for contact recreation
    during the bathing season using enterococci data collected by four
    territorial authorities in the western Wellington Region and the Wellington
    Regional Council in the Wairarapa.

    Baseline enterococci monitoring identified a number of sites in the Region
    with reduced coastal water quality.
    The sites were:
    -Te Horo Beach at the mouth of the Mangaone Stream
    -Waikanae Beach at Tutere Street
    -Paraparaumu Beach at MacLean Park
    -Paraparaumu Beach at Wharemauku Road
    -Taupo Stream mouth
    -Porirua Harbour at Te Hiko Street
    -Hataitai Beach
    -Petone Wharf
    -Motuwaireka (Riversdale) Lagoon

    To improve Council's ability to deliver the environmental outcomes stated
    in the Regional Policy Statement and Regional Coastal Plan a more
    holistic and integrated monitoring programme is proposed based on
    the "Annapolis Protocol". This is essentially a site classification system
    based on bacteriological history and catchment characteristics. The
    resulting "suitability for recreation" classes could provide a basis for state
    of the environment reporting.

    A new monitoring programme targeting the accumulation of hazardous
    substances and human pathogens in marine food chains is also
    recommended to replace the current recreational shellfish gathering
    coastal water quality monitoring programme.
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