INTEGRATED WATER QUALITY MONITORING PROGRAM - BURGESS CREEK · Unitywater Burgess Creek REMP 2022 Annual Review (A7703347)

Contents

1.0     Executive Summary .................................................................................................. 1

2.0     Scope ......................................................................................................................... 1
  2.1      Report Structure and Contents ................................................................................. 2

3.0     Monitoring Area for the Burgess Creek Monitoring Program ................................ 3
  3.1      Environmental Values Water Quality Objectives....................................................... 4
  3.2      Guidelines for Fresh and Marine Water Quality ........................................................ 5
  3.3      Noosa STP treated wastewater release conditions .................................................. 6

4.0     Burgess Creek Monitoring Program ........................................................................ 7

5.0     Results ..................................................................................................................... 10
  5.1      Climatic Conditions ................................................................................................ 11
  5.2      Summary Statistics ................................................................................................ 13
  5.3      Spatial Trends ........................................................................................................ 13
  5.4      Temporal Variability ............................................................................................... 23
  5.5      Long term variability ............................................................................................... 33
  5.6      Statistical Comparison of 2020 and 2021 Monitoring Data ..................................... 41
  5.7      Compliance of 2021 data with Water Quality Objectives ........................................ 43
  5.8      Comparison with Recreational Water Quality Limits ............................................... 44
  5.9 Compliance of treated wastewater releases with Environmental Authority
  EPPR008691113 ............................................................................................................. 45

6.0     Discussion ............................................................................................................... 47

7.0     Recommendations .................................................................................................. 55

8.0     References ............................................................................................................... 56

9.0     Appendices .............................................................................................................. 58

Appendix A - Summary statistics of nutrient concentrations and microbiological
indicators at each monitoring site ................................................................................... 58