For operational and executive directors of services Management of Non Revenue water

Setting up action plans and monitoring their implementation in the field.

Any questions?

Send us an E-mail

Call us at + 33 4 67 04 71 41

Pour les directeurs généraux Management of Non Revenue water

For whom

  • Executive Directors
  • Exploitation Directors
  • Financial Directors
  • Executive Officers
  • Managers

Why follow this training?

The Water for All Chair offers thematic specialized sessions.

  • They bring together industry experts and are open to any water and sanitation professional.
  • Come and learn about the operational management of your unit and the operating processes, acquire new practices and new tools.
  • Innovate and upgrade your knowledge in the perspective of the evolution of your career.
  • Restructure your teams and equip your employees with new practices and organizations to support the reform of the sector.
  • Lead your drinking water or sanitation service towards excellence in continuity, quality, sustainability and accessibility.

Objectives of the module:

  • Measure unbilled water volumes.
  • Break them down according to their causes. Deduct the corresponding financial loss.
  • Put in place a policy for their control and reduction.
  • Assimilate that the theme of water losses does not only concern the search and repair of leaks but is related to all the activities of a water service.

Training contents


  • Measure the volumes of non-revenue water.
  • Break down the sums according cause.
  • Calculate the corresponding financial loss. Set up a policy to manage and reduce the volumes of non-revenue water.
  • Assimilate the fact that water loss is not just about finding and repairing leaks but is related to all the activities of a water service.


  • Reduce water losses: issues and strategy, water balance equation.
  • Actual losses: Diagnostic, Indicators, Methods and Tools, Action Plan, Case Studies.
  • Strategy, Action Plan and Change Management.


  • Understanding the phenomenon of water losses (real or apparent) and their dynamics
  • Understanding the impact of the utility’s various activities on the level of water losses
  • Establishing a diagnosis on water losses (and water balance)
  • Defining a strategy to reduce water losses
  • Establishing an action plan to reduce water losses
  • Monitoring the implementation of an action plan
  • Condition for ensuring the sustainability of the results of an action plan, change management


  • Farley Malcolm – USAID – Manuel du Manager sur l’Eau non comptabilisée en Afrique – Guide des pertes d’eau – USAID publishing
  • Farley M, Trow S (2003) Losses in Water Distribution Networks, A Practiotioner’s Guide to Assessment, Monitoring and Control. IWA Publishing
  • Alegre H, Baptista JM, Cabrera Jr. E, Cubillo F, Duarte P, Merkel W, Parena R (2006) Performance Indicators for Water Supply Services (Second Edition).
  • IWA publishing Arregui F, Cabrera E, Cobacho R, (2006) Integrated Water Meter Management.
  • IWA Publishing Johnson EH (2) (2009) Management of Non-revenue and Revenue Water Data. 2nd Edition. Engineers Media. NSW Australia
  • IWA (2007) District Metered Areas – Guidance Notes
  • IWA 2007) Leak Location and repair – Guidance Notes
  • Moreau (2004) Pressure Modulation, a simple tool to reduce leakage and protect water distribution networks