Water Balance Essentials

Water Loss Research and Analysis Water Balance

Target Audience

This course is suitable for anyone who is either new to the subject of Non-Revenue Water, or someone who knows a little about the subject, but wants to improve the foundations of their understanding.


The Water Balance Essentials course provides participants with a comprehensive understanding of the fundamental principles and practical applications of the IWA Water Balance framework. This course delves into the evolution of the Water Balance concept, its global adoption and adaptation, and the key components of the Enhanced IWA Water Balance. Through a blend of theoretical insights and hands-on exercises, participants will gain the skills needed to effectively analyze, calculate, and optimize a Water Balance for improved water resource management and sustainability.

Learning Objectives

  • Understand how the basic principles of the IWA Water Balance evolved
  • Understand how the IWA Water Balance was adopted and adapted internationally
  • Name the components of the Enhanced IWA Water Balance
  • Describe the elements of each component of the Enhanced IWA Water Balance
  • Recognise the technical and business challenges in producing a reliable Water Balance
  • Understand which components in a Water Balance are bulk metered, calculated or estimated
  • Calculate a simple Water Balance using a table format
  • Understand the effects on a Water Balance when Real Losses, Apparent Losses, Unbilled Authorised Consumption and Water Exported components are reduced.

A 10% discount is available for IWA members