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Protecting surface water for health provides a structured approach to understanding surface waters and their catchments to support the identification, assessment and prioritization of the risks, and the development of management strategies for their control, as a basis for providing safe drinking-water. Editable versions of the catchment and pollution assess...

Protecting surface water for health provides a structured approach to understanding surface waters and their catchments to support the identification, assessment and prioritization of the risks, and the development of management strategies for their control, as a basis for providing safe drinking-water. The book provides guidance and supporting information o...

Снабжение приемлемой и безопасной питьевой водой в достаточном количестве является одной из основных необходимых предпосылок хорошего здоровья, экономического развития и устойчивой жизнедеяте...

В «Руководстве ВОЗ по обеспечению качества питьевой воды» рекомендуется проведение комплексной оценки и мероприятий по снижению рисков для надежного обеспечения безопасности систем водоснабже...

В 2004 г. в опубликованном ВОЗ “Руководстве по обеспечению качества питьевой воды” поставщикам было рекомендовано разработать и осуществить планы обеспечения безопасности воды, чтобы можно б...

En 2004, les Directives de l’OMS pour la qualité de l’eau de boisson recommandaient que les fournisseurs d’eau potable développent et mettent en œuvre des plans de gestion de la sécurité sanitaire de l’eau (PGSSE) afin d’évaluer et de gérer systématiquement les risques. Ce manuel répond à cette recommandation en décri...

The training package consists of three components, a facilitator handbook, a participant workbook and accompanying PowerPoint presentations. It is structured around 13 learning modules based on the WHO/IWA WSP Manual: Step by step risk management for drinking-water supplies and the WHO/IWA WSP Quality Assurance Tool....

This field guide provides a step-by-step introduction to the WSP approach and a range of ready-to-use templates to assist those locally involved in rural water supply to develop and implement their own WSPs. The field guide particularly addresses the rural community members responsible for the operation and management of their water supplies, as well as......

This manual is designed to engage, empower and guide communities in the WSP development and implementation process. Guidance is provided on how to develop and implement a WSP through six achievable tasks. By following the WSP approach as described in this manual, small communities can improve the management of their drinking-water systems to achieve incremen...

Water safety plans (WSPs) are the most effective means of consistently ensuring the safety of a drinking water supply. This WSP manual describes how to develop and implement a WSP in clear and practical terms. Stepwise advice is provided through 11 learning modules, each representing a key step in the WSP development and implementation process....

This paper presents a case study from Bangladesh describing how WSPs can be developed and implemented for small systems. Model WSPs were developed through consultation with key water sector practitioners in the country. Simplified tools were developed to translate the formal WSPs into a format that was meaningful and accessible for communities to use....

This document provides guidance on developing and implementing a WSP auditing scheme, covering such topics as the aim and role of auditing, auditor training and certification, audit criteria, audit timing and frequency and audit reporting. The guidance document includes examples, tips, tools and case studies, and it serves as a practical resource for policy ...

Water quality deterioration in distribution systems, mainly caused by inappropriate planning, design and construction or inadequate operation and maintenance and water quality control, has been linked to a significant proportion of the burden of waterborne and water-related illness. Stresses on these systems caused by rapid urbanization, population growth an...

Climate change is important to consider in all aspects of utility operations and planning because it can impact both the water resources as well as the infrastructure necessary to provide clean and safe water. The Climate Ready Water Utilities initiative is a practical and easy to use tool developed by EPA to assists the drinking......

The Water Research Commission (WRC) project K5/1993//3 “Web enablement of a water safety plan and incorporation of existing similar supply system assessment tool” aimed to establish a methodology to identify and manage the risks of water services infrastructure and the means by which Water Services Institutions (WSIs) are better able to identify and mana...

Provides customized guidance on implementing WSPs in rural water supply systems tailored to the Malaysian context...

Provides guidance for those responsible for managing water supply systems in buildings on applying the WSP approach to improve risk management and ensure water safety is maintained within the building. This document provides guidance for managing water supplies in buildings where people may drink water; use water for food preparation; wash, shower, swim or u...

Numerous publications now exist on the formation and use of WSPs, but most of these focus on largerscale projects run by private or public utilities, commercial enterprises and international NGOs. Tearfund’s particular interest is in how WSPs can be understood and established by user communities which are faced with self-managing a water supply project to....

This document is a guideline for development and implementation of Water Safety Plans approach in the Pacific. It is primarily for water supply managers, engineers and operators and introduces a more proactive way of managing drinking water supplies through a comprehensive risk assessment and risk management approach. Implementing DWSPs helps achieve a more ...

This case study describes the study of the Composite Correction Programme (CCP) in three different cities in India to prepare for the implementation of Water Safety Plans. CCP is a water treatment plant optimization program that improves water treatment operation with limited capital investment by optimizing particle removal from water treatment plants....

This case study describes the development of Water Safety Plans in small community water supplies in South Africa. It describes the previous assessment methods as well as the eleven steps taken to develop and implement the WSP....

It is the experience of many water suppliers that illegal or unauthorised access to the distribution network can occur for a variety of reasons. This poses a number of water quality risks and can also create wider problems related to loss of revenue. This document briefly summarises the water quality risks associated with unauthorised access......

This document summarises the type of risks that might occur within treated water storages and how to control them....

This document describes development of a Water Safety Plan with a background focus on Africa....

This document summarizes the management of risk from microbial regrowth in distribution systems through optimized chlorine disinfection. Considerations is also given to the potential for formation of disinfection by-products. Strategies for controlling these risks are presented....

This document highlights water quality risks from supplies that do not continuously supply water and outlines examples of measure to control these risks....

This document summarises the drinking-water quality risks associated with corrosion and sediment accumulation within distribution networks and describes ways that the risks can be mitigated....

Communication with consumers is a key part of assessing and promoting the acceptability of drinking water supplies with consumers. The evaluation of consumer acceptability and knowledge of consumer complaints are important components of assessing the overall effectiveness of a WSP and an essential part of the verification of a WSP. This document summarises t...

This document sets out information which allows water suppliers and others to work together to minimise the risk of backsiophange (that is, the reverse flow condition created by a difference in water pressures that causes water and associated contaminants to flow back into drinking-water distribution pipes)....

Risk assessment and risk prioritisation are critical elements of a Water Safety Plan. However the process can be complex, require considerable resources and take a long time. Therefore before establishing a risk management system it is important to be clear on the most cost effective approach to meet local priorities and needs. This document provides......

Rapid gravity filters are used extensively in many waterworks across the world where they provide a critical part of the water purification process. This document summarises the basic functions and operation of such filters and identifies possible risks to water quality which need to be assessed and managed as part of a treatment water safety......

This document describes the learnings from water safety plan development and implementation by Rand Water in South Africa, providing valuable field experiences from the process....

The objective of this workbook is to serve as a guide to facilitate WSP development for an organised water supply that is managed by a water utility or similar entity. WSPs can be tailored differently for each specific water supply system. This workbook is generic and is not specific to any particular country. It is......

The aim of this manual is to provide guidance on conducting a household survey as part of a Water Safety Plan for organized piped water supply systems in resource-limited settings. A household survey can help researchers to understand the fate of water from the time it reaches the home to the point of consumption. This......

This Household Water Use and Health Survey was therefore conducted as part of the Water Safety Plan for Linden, Guyana in order to understand the fate of water from the time it reaches the home to the point of consumption. It illustrates the sampling, the household visits, the water testing, the data management and discusses......

This case study describes a randomized household survey and the collection and testing of drinking water samples from sources (household tap, public standpipe, rainwater, etc.) and household storage containers in Spanish Town Jamaica, with linkages to water safety planning....

Presents the WSP for Spanish Town, Jamaica, which may provide an example approach for WSP development for WSP community at an early stage of WSP development...

This text provides guidance on the chemical safety of drinking-water. Chemical contaminants of drinking-water are often considered a lower priority than microbial contaminants, because adverse health effects from chemical contaminants are generally associated with long-term exposures, whereas the effects from microbial contaminants are usually immediate. Non...

This text describes the processes involved in the design, installation and maintenance of effective plumbing systems. It also examines the microbiological, chemical, physical and financial risks associated with plumbing and emphasizes the importance of measures to conserve supplies of safe drinking-water. It is aimed at administrators and plumbers working in...

Provides guidance for health, environment and water sector professionals on the application of risk management approaches to protect groundwater sources of drinking-water, presenting a structured approach to analyzing hazards to groundwater quality, assessing and prioritizing the risks they pose, and developing management strategies for their control....