2016-02-02 P&O Committee - Item 3 - Attachment 3 - Noosa River Environmental Values and Water Quality Objectives

CONTENTS

  1       INTRODUCTION ............................................................................................................................. 1
      1.1     W ATERS TO WHICH THIS DOCUMENT APPLIES .............................................................................. 1
      1.2     GUIDANCE ON USING THIS DOCUMENT......................................................................................... 2
         1.2.1 Key terms ............................................................................................................................ 2
         1.2.2 Main parts of this document................................................................................................ 4
         1.2.3 Use of this document .......................................................................................................... 4
      1.3     INFORMATION ABOUT MAPPED AREAS AND BOUNDARIES............................................................... 4
      1.4     W ATER TYPES AND BASIS FOR BOUNDARIES ................................................................................ 5
         1.4.1 Water types......................................................................................................................... 5
         1.4.2 Water type boundaries........................................................................................................ 5
      1.5     MATTERS FOR AMENDMENT ....................................................................................................... 6
  2       ENVIRONMENTAL VALUES (EVS) ............................................................................................... 7
      2.1          ENVIRONMENTAL VALUES .......................................................................................................... 7
      2.2          MANAGEMENT GOALS TO SUPPORT EVS..................................................................................... 7
  3       WATER QUALITY OBJECTIVES (WQOS) TO PROTECT ENVIRONMENTAL VALUES.......... 10
      3.1     W ATER QUALITY OBJECTIVES (WQOS) TO PROTECT AQUATIC ECOSYSTEMS ............................... 11
         3.1.1 Physico-chemical WQOs .................................................................................................. 11
         3.1.2 Biological WQOs............................................................................................................... 19
         3.1.3 Riparian WQOs................................................................................................................. 20
         3.1.4 Stormwater design objectives........................................................................................... 20
      3.2     W ATER QUALITY OBJECTIVES (WQOS) FOR HUMAN USE EVS .................................................... 21
  4       WAYS TO IMPROVE WATER QUALITY ..................................................................................... 31

  5       DICTIONARY................................................................................................................................. 32


List of Tables
  Table 1 Environmental values (EVs) for Noosa River and Teewah Sands catchment waters ................ 8
  Table 2 Water quality objectives to protect aquatic ecosystem environmental value (refer to Plan
  WQ1401 for location of waters) .............................................................................................................. 12
  Table 3 Aquatic ecosystem EV: Biological water quality objectives for freshwater streams (refer to Plan
  WQ1401 for location of streams) ........................................................................................................... 19
  Table 4 Water quality objectives to protect human use environmental values ...................................... 21
  Table 5 Primary contact recreation EV: Water quality objectives for management of cyanobacteria in
  contact recreation areas ......................................................................................................................... 24
  Table 6 Aquaculture EV: Water quality objectives for tropical aquaculture............................................ 25
  Table 7 Aquaculture EV: Water quality objectives for optimal growth of particular species in freshwater
  ................................................................................................................................................................ 25
  Table 8 Aquaculture EV: Water quality objectives for optimal growth of particular marine species ...... 26
  Table 9 Irrigation EV: Water quality objectives for thermotolerant (faecal) coliforms in irrigation waters
  used for food and non-food crops........................................................................................................... 27
  Table 10 Irrigation EV: Water quality objectives for heavy metals and metalloids in agricultural irrigation
  water – long-term trigger value (LTV), short-term trigger value (STV) and soil cumulative contamination
  loading limit (CCL) .................................................................................................................................. 28
  Table 11 Stock watering EV: Water quality objectives for tolerances of livestock to total dissolved
  solids (salinity) in drinking water............................................................................................................. 29
  Table 12 Stock watering EV: Water quality objectives (low risk trigger values) for heavy metals and
  metalloids in livestock drinking water ..................................................................................................... 29
  Table 13 Drinking water EV: Priority water quality objectives for drinking water supply in the vicinity of
  off-takes, including groundwater, before treatment ................................................................................ 30
  Table 14 Suite of environmental values that can be chosen for protection............................................ 33




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