These 9 case studies are from the Managing Wet Weather Overflows report. 

Read the Managing Wet Weather Overflows Full Report here and download the 9 Case Studies below.


This report is the culmination of six years of work, several iterations, and many hours of water industry members, WSAA staff, and consultant input – a true collaborative effort. WSAA would like to acknowledge previous WSAA staff and consultants that contributed to the concepts in this work, as well as case studies.

These guidelines were delivered by Aurecon, with assistance from the following people:

  • Anin Nama – Watercare, New Zealand
  • Cameron Jackson – Urban Utilities
  • Elliot Stuart – WSAA
  • Jeremy Silk – Hunter Water
  • Lynne Powell – Cairns Regional Council
  • Michele Cassidy – Sydney Water
  • Rebecca Goulding – South East Water
  • Reza Vosough – Yarra Valley Water
  • Stephen Shinners – Central Coast Council

WSAA would also like to gratefully acknowledge the input and peer review from Kate Harriden (Monash Sustainable Development Institute, Monash University) of the content in the Cultural receiving environment principle, which will push the water sector forward in this important area.



AuthorWater Services Association of Australia
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Title Format Download
Case Study 1 - Melbourne Water - Enhancing our Dandenong Creek PDF
Case Study 2 - TasWater - Launceston Combined Sewerage System Investigation Interim Options & Strategy Development PDF
Case Study 3 - Hunter Water - Lake Macquarie Effects-based Study Modelling Approach PDF
Case Study 4 - Yarra Valley Water - Merri Creek Waterways Investment Prioritisation Project PDF
Case Study 5 - Sydney Water - Risk-based Approach for Licensing to Improve Wet Weather Overflow Management PDF
Case Study 6 - Unitywater - Private Plumbing Inspection Program PDF
Case Study 7 - Icon Water - Exercising General Environmental Duty in the ACT PDF
Case Study 8 - Watercare - Central Inerceptor PDF
Case Study 9 - South East Water - Elster Creek Sewer Capacity Upgrade Stage 1 PDF