Non-revenue water

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Sector Resources Utility topics Non-revenue water

NRW  is a measure of the ability of utility companies to turn their primary material into revenue. Non-Revenue Water consists mainly of water leaking from the system before it reaches the end consumer (technical or physical losses), and of water consumed without being properly billed, for example through illegal connections or improper metering of the consumption (commercial or apparent losses). While the former unnecessarily increases production costs (because more water than necessary must be produced), the latter means foregone revenues.

 

Good Practice review

01 December 2006

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(4.0/1)

Bill Kingdom, Roland Liemberger, Philippe Marin

The Challenge of Reducing Non-Revenue Water (NRW) in Developing Countries. How the Private Sector Can Help: A Look at Performance-Based Service Contracting

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Contributed by Danubis on 15 April 2016

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Good Practice review

01 January 2015

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European Union, 2015

GP on Leakage Management. Main Report

EU Reference document Good Practices on Leakage Management WFD CIS WG PoM.
Main Report
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Contributed by Iuri Nistor on 25 March 2015

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Good Practice review

01 January 2015

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European Union, 2015

GP on Leakage Management. Case Study document

EU Reference document Good Practices on Leakage Management WFD CIS WG PoM.
Case Study document
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Contributed by Iuri Nistor on 25 March 2015

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Good Practice review

01 January 2015

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European Union, 2015

GP on Leakage Management. Dissemination plan

EU Reference document Good Practices on Leakage Management WFD CIS WG PoM.
Dissemination plan
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Contributed by Iuri Nistor on 25 March 2015

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Manual or training material

2008

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Malcolm Farley, Gary Wyeth, Zainuddin Bin Md. Ghazali, Arie Istandar, Sher Singh

The Manager’s Non-Revenue Water Handbook

Most developed countries have a solid infrastructure and established operational practices for managing and controlling non-revenue water (NRW). This is not always the case in developing countries; many are struggling to ensure that customers receive a reasonable supply of safe drinking water, often via a pipe network that is inadequate, with poor record systems and a low level of technical skills and technology. Tariff systems and revenue collection policies often do not reflect the true value of water supplied, which limits the utility’s cost recovery and encourages customers to undervalue the service.

Developing countries in Asia face similar challenges in reducing NRW, including aging infrastructure, financial constraints, poor governance, and poor project design. Many utilities in the region, however, can draw on motivated and industrious staff to implement solutions once the challenges of reducing NRW have been identified.

Using some key messages, The Manager’s Non-Revenue Water Handbook leads the utility manager through the stages of addressing NRW—first, understanding and quantifying NRW, and then developing a strategy to address it.

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Contributed by David Michaud on 14 January 2016

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Regional analysis

2017

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European Water Regulators WAREG

WAREG Report: An analysis of water efficiency KPIs in WAREG member countries

This report analyses the application of Key Performance Indicators (KPIs) to describe efficiency of water services in WAREG member countries, with the aim to draw out commonalities as well as differences in monitoring of water efficiency measures and performance. It seeks to outline how different European regulators promote water efficiency within their regulated industries. It is noted that although various KPIs and benchmarking platforms exist in the water industry, there appears to be a lack of consistency in the definitions, descriptions, application and consistency of KPIs used to measure water efficiency across Europe. It is further noted that while some countries use KPIs for benchmarking purposes, this practice has still not been fully embraced by regulators in WAREG member countries.

Publisher: WAREG,

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Contributed by Elvira Broeks on 21 September 2017

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