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Version 1
10. June 2019.
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by Bettina Rickert et al., 13. May, 2019

Including aspects of climate change into water safety planning: Literature review of global experience and case studies from Ethiopian urban supplies

by Bettina Rickert et al., 13. May, 2019

In recent years, the water safety plan approach has been extended towards climate-resilient water safety planning. This happened in response to increasing insight into impacts of climate on drinking-water and required adaptation to anticipated climate change. Literature was reviewed for published guidance and case examples, documenting how to consider climate in water safety planning to support future uptake. Climate-resilient water safety plans were piloted within a project in the water supplies of Addis Ababa and Adama, Ethiopia.

Case examples have been published in four of six WHO regions with a focus on urban supplies. Integration of climate aspects focused mostly on the steps of establishing the team, system description, hazard analysis and risk assessment, improvement planning and development of management procedures. While the traditional framework focuses on drinking-water quality, considering climate change augments aspects of water quantity. Therefore, other factors affecting water quantity such as population development and demand of other sectors need to be considered as well. Local climate information and tools should be employed as a significant success factor for future uptake. Such information should be incorporated as it becomes available, and may – depending on the setting – be incrementally integrated into existing water safety plans or used to develop new ones.

Version 2
1. August 2009.
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by Bob Breach , 01. August, 2009

Intermittent supplies and water quality

by Bob Breach , 01. August, 2009

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

Version 2
28. October 2008.
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by WSP, 28. October, 2008

Johannesburg, South Africa Case Study

by WSP, 28. October, 2008

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.

Version 1
8. November 2018.
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by Antonios Papadakis et al., 26. March, 2018

Legionella spp. Risk Assessment in Recreational and Garden Areas of Hotels

by Antonios Papadakis et al., 26. March, 2018

Several Travel-associated Legionnaires’ disease (TALD) cases occur annually in Europe. Except from the most obvious sites (cooling towers and hot water systems), infections can also be associated with recreational, water feature, and garden areas of hotels. This argument is of great interest to better comprehend the colonization and to calculate the risk to human health of these sites. From July 2000–November 2017, the public health authorities of the Island of Crete (Greece) inspected 119 hotels associated with TALD, as reported through the European Legionnaires’ Disease Surveillance Network. Five hundred and eighteen samples were collected from decorative fountain ponds, showers near pools and spas, swimming pools, spa pools, garden sprinklers, drip irrigation systems (reclaimed water) and soil. Of those, 67 (12.93%), originating from 43 (35.83%) hotels, tested positive for Legionella (Legionella pneumophila serogroups 1, 2, 3, 6, 7, 8, 13, 14, 15 and non-pneumophila species (L. anisa, L. erythra, L. taurinensis, L. birminghamensis, L. rubrilucens). A Relative Risk (R.R.) > 1 (p < 0.0001) was calculated for chlorine concentrations of less than 0.2 mg/L (R.R.: 54.78), star classification (<4) (R.R.: 4.75) and absence of Water Safety Plan implementation (R.R.: 3.96). High risk (≥104 CFU/L) was estimated for pool showers (16.42%), garden sprinklers (7.46%) and pool water (5.97%).

Version 1
1. September 2007.
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by Enviromental and Engineering Managers Ltd. , 01. September, 2007

Lessons learned from development WSP in Jamaica

by Enviromental and Engineering Managers Ltd. , 01. September, 2007

This document is a technical paper following the "Spanish town Jamaica Case study". It describes the lessons learned from the development of the Water Safety Plan for the Spanish town water supply system in Jamaica.

Version 1
20. October 2020.
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by Rory Moses McKeown,

Lessons learned from practical CR WSP implementation and auditing in Africa and Asia.

by Rory Moses McKeown,

Water, sanitation and hygiene (WASH) have a significant impact on health and, of particular concern as described in the recent Intergovernmental Panel on Climate Change Special Report on Extreme Events, are the risks of more frequent and intense extreme weather events such as floods, cyclones and droughts, alongside increasing temperatures. Such extremes pose particular challenges to the capacity of WASH programmes to protect health, and there is accumulating evidence that climate change is worsening these risks.

A national programme of water safety plan (WSP) auditing was undertaken in 2018/19 with a particular focus on climate resilience, to learn lessons from the pilot WSPs and adapt the programme in advance of future scale-up.

Version 0
19. May 2016.
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by Luca Lucentini et al., 2014

Linee guida per la valutazione e gestione del rischio nella filiera delle acque destinate al consumo umano secondo il modello dei Water Safety Plans .

by Luca Lucentini et al., 2014

One decade ago, the World Health Organization recommended that water suppliers developed and implemented Water Safety Plans (WSP) as the most
effective mean to assure the quality of the water supply and the protection of the health of consumers. This model, as transposed in this guideline, consists of the overall risk assessment and risk management from catchment to tap, to protect the water to be destined to human consumption and the system, as well
as to control any process potentially affecting water quality, with the aim of assuring on a continuous way the absence of physical, biological and chemical hazards in drinking water. Risk based approach will also facilitate the flexibility of hazards management of emerging contaminants which are not systematically monitored, and /or vulnerabilities of water supply systems to direct and indirect impacts due to climate change. The guidance is addressed to water suppliers and health authorities as well as to all the stakeholders interested in different way to the drinking water quality. Criteria, methods and procedures are here provided in clear and practical terms to develop and implement WSP in drinking water supplies in Italy, independently by their dimension and by the volumes of supplied water.

Version 1
12. February 2020.
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by Harold van den Berg ; Bettina Rickert ; Seada Ibrahim ; Kasa Bekure ; Hailu Gichile ; Seble Girma ; Altaseb Azezew ; Tadesse Zegeye Belayneh ; Solomon Tadesse ; Zeleke Teferi Firehiwot Abera ; Samson Girma ; Tesfaye Legesse ; Daniel Truneh ; Gretta Lynch ; Ingmar Janse ; Ana Maria de Roda Husman, 31. October, 2019

Linking water quality monitoring and climate-resilient water safety planning in two urban drinking water utilities in Ethiopia

by Harold van den Berg ; Bettina Rickert ; Seada Ibrahim ; Kasa Bekure ; Hailu Gichile ; Seble Girma ; Altaseb Azezew ; Tadesse Zegeye Belayneh ; Solomon Tadesse ; Zeleke Teferi Firehiwot Abera ; Samson Girma ; Tesfaye Legesse ; Daniel Truneh ; Gretta Lynch ; Ingmar Janse ; Ana Maria de Roda Husman, 31. October, 2019

Unsafe drinking water is a recognized health threat in Ethiopia, and climate change, rapid population growth, urbanization and agricultural practices put intense pressure on availability and quality of water. Climate change-related health problems due to floods and waterborne diseases are increasing. With increasing insight into impacts of climate change and urbanization on water availability and quality and of required adaptations, a shift towards climate-resilient water safety planning was introduced into an Ethiopian strategy and guidance document to guarantee safe drinking water. Climate-resilient water safety planning was implemented in the urban water supplies of Addis Ababa and Adama, providing drinking water to 5 million and 500,000 people, respectively. Based on the risks identified with climate-resilient water safety planning, water quality monitoring can be optimized by prioritizing parameters and events which pose a higher risk for contaminating the drinking water. Water quality monitoring was improved at both drinking water utilities and at the Public Health Institute to provide relevant data used as input for climate-resilient water safety planning. By continuously linking water quality monitoring and climate-resilient water safety planning, utilization of information was optimized, and both approaches benefit from linking these activities.

Version 1
11. October 2023.
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by Rodriguez-Alvarez et al., 11. October, 2023

Long-Term Assessment of a Water Safety Plan (WSP) in Salta, Argentina

by Rodriguez-Alvarez et al., 11. October, 2023

The use of water safety plans (WSPs) has been recommended by the World Health Organization (WHO) since 2004 as a highly effective means of improving water safety management. Experience with the implementation of WSPs is increasing worldwide, but there is no unified or standardized methodology for how the verification of a WSP should be conducted. In this article, we present a thorough evaluation of a specific WSP five years after its initial implementation. We reviewed the risk assessment methodology used by a water utility in Salta, Argentina, and assessed the implementation of control measures. To objectively evaluate the effectiveness of the WSP, we evaluated water quality parameters and customer complaints using a time-series analysis. We show that although some control measures were implemented, and a reduction in risk values was observed, it was not possible to improve long-standing problems in the water supply of the city of Salta, such as the number of consumer complaints or high turbidity levels in the water during the rainy season. We discuss the role of rigorous scientific assessments and the importance of legislation and regulatory bodies in implementing the WSP.

Version 2
1. October 2013.
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by WHO, 01. October, 2013

Maynilad Water: Water Safety Plans

by WHO, 01. October, 2013

Describes the formulation of a Water Safety Plan by Maynilad Water Services, Inc. Philippines.

Version 1
27. June 2018.
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by Emily Kumpel et al., 10. June, 2018

Measuring the Impacts of Water Safety Plans in the Asia-Pacific Region

by Emily Kumpel et al., 10. June, 2018

This study investigated the effectiveness of Water Safety Plans (WSP) implemented in 99 water supply systems across 12 countries in the Asia-Pacific region. An impact assessment methodology including 36 indicators was developed based on a conceptual framework proposed by the Center for Disease Control (CDC) and before/after data were collected between November 2014 and June 2016. WSPs were associated with infrastructure improvements at the vast majority (82) of participating sites and to increased financial support at 37 sites. In addition, significant changes were observed in operations and management practices, number of water safety-related meetings, unaccounted-for water, water quality testing activities, and monitoring of consumer satisfaction. However, the study also revealed challenges in the implementation of WSPs, including financial constraints and insufficient capacity. Finally, this study provided an opportunity to test the impact assessment methodology itself, and a series of recommendations are made to improve the approach (indicators, study design, data collection methods) for evaluating WSPs.

Version 1
30. June 2017.
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by Hallvard Ødegaard et al., 30. June, 2014

Microbial barrier analysis (MBA) – a guideline

by Hallvard Ødegaard et al., 30. June, 2014

In order to safeguard the public against waterborne diseases, water utilities must secure that multiple, microbial barriers are provided for in their drinking water systems. In most water utilities disinfection of the water represents an important barrier, but microbial barriers may also be achieved by other actions, for example in the catchment area.

Based on experiences from Norway, Sweden and Finland, this guideline is a helpful tool for implementing Water Safety Plans. The guideline explains the "barrier concept" and assist water utilities as well as their their consultants in determining what actions to take to ensure that the microbial barriers in their systems are sufficient – and that the water is safe to drink.

Version 2
1. August 2009.
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by Bob Breach , 01. August, 2009

Microbial regrowth and disinfection in the network

by Bob Breach , 01. August, 2009

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.

Version 1
1. November 2011.
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by World Health Organization et al., 01. November, 2011

Nepal: Water safety plan

by World Health Organization et al., 01. November, 2011

Under AusAid funding, WHO supported Water safety plan implementation in Nepal. This case study reports on key WSP facts, and describes the status of water supply.

Version 1
21. February 2019.
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by David Sutherland et al., 29. August, 2017

Observations and lessons learnt from more than a decade of water safety planning in South-East Asia

by David Sutherland et al., 29. August, 2017

In many countries of the World Health Organization (WHO) South-East Asia Region, drinking water is not used directly from the tap and faecal contamination of water sources is prevalent. As reflected in Sustainable Development Goal 6, access to safer drinking water is one of the most successful ways of preventing disease. The WHO Water Safety Framework promotes the use of water safety plans (WSPs), which are structured tools that help identify and mitigate potential risks throughout a water-supply system, from the water source to the point of use. WSPs not only help prevent outbreaks of acute and chronic waterborne diseases but also improve water-supply management and performance. During the past 12 years, through the direct and indirect work of a water quality partnership supported by the Australian Government, more than 5000 urban and rural WSPs have been implemented in the region. An impact assessment based on pre- and post-WSP surveys suggests that WSPs have improved system operations and management, infrastructure and performance; leveraged donor funds; increased stakeholder communication and collaboration; increased testing of water quality; and increased monitoring of consumer satisfaction. These achievements, and their sustainability, are being achieved through national legislation and regulatory frameworks for water supply, including quality standards for drinking water; national training tools and extensive training of sector professionals and creation of WSP experts; model WSPs; WSP auditing systems; and the institution of longterm training and support. More than a decade of water safety planning using the WSP approach has shown that supplying safe drinking water at the tap throughout the WHO South-East Asia Region is a realistic goal.

Version 1
4. December 2017.
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by World Health Organization (Regional Office for South-East Asia), 03. July, 2017

Operational Monitoring Plan Development: A guide to strengthening operational monitoring practices in small- to medium-sized water supplies

by World Health Organization (Regional Office for South-East Asia), 03. July, 2017

Practical guidance and training materials for small- and medium-sized water suppliers, and for those providing training and support to these suppliers, on strengthening operational monitoring practices – a core element of water safety planning. Training materials include a facilitator’s guide and PowerPoint slides.

Version 1
19. October 2022.
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14. January, 2022

OPERATIONAL POLICY AND GUIDING DOCUMENT. GWCL

14. January, 2022
Version 1
23. December 2020.
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by David Sheehan, 23. December, 2020

Operational policy: Preparation and implementation of water safety plans

by David Sheehan, 23. December, 2020

This purpose of this Operational Policy is to provide an overview of the minimum requirements for the preparation and implementation of Water Safety Plans (WSPs) across a water supply system.

This Operational Policy is not intended to replace any applicable regulatory requirements with respect to WSPs, but, rather, to provide some guidance on important aspects of the WSP implementation

This Operational Policy is divided into three distinct sections: Catchment, Treatment and Distribution, and provides information on the minimum requirements for each part of the catchment-to-consumer WSP framework.

Version 1
20. March 2024.
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by Asoka Jayaratne; Mellisa Steele; Melita Stevens; Kate van Lieshout; Luke Curran; Matthew Higginbotham; Toby Prosser; Luke Dickson; Kim Mosse; Anthea McManemin, 01. December, 2023

Operationalising water safety plans for Melbourne – a large city case study

by Asoka Jayaratne; Mellisa Steele; Melita Stevens; Kate van Lieshout; Luke Curran; Matthew Higginbotham; Toby Prosser; Luke Dickson; Kim Mosse; Anthea McManemin, 01. December, 2023

A wholesale/retail model delivers drinking water to over 5 million residents in metropolitan Melbourne (Australia). Water Safety Plans were implemented in 1999 ahead of being regulatory mandated in 2003. With over 20 years of WSP application, this collaborative paper by the wholesaler and retailer utilities presents practical examples of drinking water quality risk management in challenging operational environments, highlighting lessons learnt, improvements made and outcomes achieved. Melbourne's supply comprises multiple sources, necessitating different tailored treatment configurations. Source waters range from open catchment with multiple treatment barriers, to protected catchment source waters requiring solely disinfection treatment (unfiltered) with gravity driven supply. Potable supply is a combination of unfiltered, filtered, desalinated and blended supplies. This makes for diversity in case studies brought to this paper, and a range of lessons likely to be of interest to the global WSP community. The Melbourne utility experience highlights the importance of developing and continually improving control measures for ongoing (adaptive) risk reduction. A robust emergency management plan is also fundamental to ensure preparedness for complex and unpredictable events. Furthermore, leveraging learnings from audits and incidents has been valuable for process improvement. WSP implementation has also facilitated timely communication with consumers and other stakeholders.

Version 1
3. August 2009.
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by Mathias H. Kleppen , 03. August, 2009

Pacific Drinking Water Safety Planning Lessons Learned

by Mathias H. Kleppen , 03. August, 2009

This case study provides the progress and lessons learned form the implementation of the Pacific Drinking Water Safety Plan programme.

Version 1
8. April 2021.
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by UNICEF Pacific, 08. March, 2018

Pacific WASH Resilience Guidelines & Tools

by UNICEF Pacific, 08. March, 2018

These guidelines and training materials have been produced by UNICEF Pacific and encompass a number of tools to expand and strengthen the work of governments and other partners to improve water, sanitation and hygiene services, whilst building resilience for communities in the Pacific. The guidance collates current approaches and previous guidance on WASH and resilience in one location, covering theory, guidance and practical tools. By addressing disaster risk reduction and climate change adaptation in a comprehensive approach across the disaster and climate risk continuum, it serves as a contribution to the Framework for Resilient Development in the Pacific.

 

Version 1
1. November 2011.
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by World Health Organization et al., 01. November, 2011

Philippines: Water safety plan

by World Health Organization et al., 01. November, 2011

Under AusAid funding, WHO supported WSP implementation in the Philippines. This case study reports on key WSP facts, and describes the status of water supply in the Philippines

Version 1
18. October 2017.
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by WHO EURO, 18. October, 2017

Plan de gestion de la sécurité sanitaire de l’eau : un guide pratique pour l’amélioration de la sécurité sanitaire de l’eau potable dans les petites communautés

by WHO EURO, 18. October, 2017

Disposer d’eau potable de qualité acceptable et en suffisance est une condition préalable et essentielle à la bonne santé, au développement économique et à la durabilité des moyens de subsistance des familles des collectivités rurales. La mise en place d’un plan de gestion de la sécurité sanitaire de l’eau constitue l’approche la plus efficace en vue d’assurer l’alimentation en eau potable dans les systèmes d’approvisionnement en eau à petite échelle.

Le guide pratique explique cette approche étape par étape, et présente un ensemble de modèles prêts à l’emploi afin que les personnes ou entités chargées de l’approvisionnement en eau dans les zones rurales puissent élaborer et mettre en œuvre leur propre plan de gestion de la sécurité sanitaire de l’eau.

Le guide pratique s’adresse en particulier aux membres de la communauté rurale responsables de l’exploitation et de la gestion de l’approvisionnement en eau, ainsi qu’au personnel des services locaux de santé et d’approvisionnement en eau chargé de la préservation de la qualité de l’eau potable, et aux organisations non gouvernementales qui veillent à la sécurité sanitaire de l’eau potable dans les collectivités rurales.

Version 1
11. September 2017.
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by WHO, 11. September, 2017

Planifier la gestion de la sécurité sanitaire de l’eau pour l’approvisionnement en eau des petites communautés: Recommandations pour la gestion par étapes des risques liés à l’approvisionnement en eau potable des petites communautés

by WHO, 11. September, 2017

Les Directives de qualité pour l’eau de boisson de l’Organisation mondiale de la Santé recommandent l'application d'une approche d'ensemble pour l'évaluation et la gestion des risques appelée «Plans de gestion de la sécurité sanitaire de l'eau» afin d'assurer de la façon la plus efficace la sécurité des approvisionnements en eau. Cette approche est systématique, complète, rentable et adaptée à un large éventail de circonstances. Ainsi est-elle un outil important pour l'approvisionnement en eau des petites communautés.

Ce manuel a pour objet d’assurer la participation des communautés, de les rendre autonomes et de les guider dans l’élaboration et la mise en oeuvre de plans de gestion de la sécurité sanitaire de l’eau pour leurs réseaux d’eau de boisson.

Il présente des recommandations sur la façon de développer et de mettre en œuvre un PGSSE au moyen de 6 tâches réalisables. En suivant l'approche telle qu'elle est décrite dans ce manuel, les petites communautés peuvent améliorer la gestion de leur système d'approvisionnement et obtenir progressivement des améliorations durables de la qualité de l'eau potable.

Version 1
11. May 2016.
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by WHO/IWA, 2009

Plans de gestion de la sécurité sanitaire de l’eau

by WHO/IWA, 2009

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 décrivant de façon claire et en termes pratiques, comment développer et mettre en œuvre des plan de gestion de la sécurité sanitaire de l'eau. Onze modules de formation fournissent des conseils par étape. Chaque module présente une étape clé dans le processus de développement et de mise en application des plans de gestion de la sécurité sanitaire de l'eau.

Version 1
4. March 2021.
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by World Health Organisation, 2021

Plans de gestion de la sécurité sanitaire de l’eau résilients au climat : Gestion des risques de santé liés à la variabilité et au changement climatiques.

by World Health Organisation, 2021

Ce guide présente l'état actuel des connaissances sur les effets des changements climatiques sur le cycle de l'eau ainsi que les impacts sanitaires associés. Il est destiné à aider les fournisseurs d'eau qui se sont engagés à utiliser ou qui utilisent déjà l'approche du Plan de Gestion de la Sécurité Sanitaire de l'Eau (PGSSE), à mieux comprendre les questions liées aux changements climatiques et à soutenir l'identifi cation et la gestion des risques liés aux changements climatiques dans le cadre du processus du PGSSE.

Le document aidera les professionnels du secteur, en particulier les fournisseurs d'eau et les équipes du PGSSE à identifi er et à intégrer les questions plus larges du changement climatique, de la réduction des risques de catastrophe (RRC) et de la gestion intégrée des ressources en eau (GIRE) en tant qu'approches contributives importantes au processus du PGSSE.

https://iwaponline.com/ebooks/book/812/Plans-de-gestion-de-la-securite-sanitaire-de-l-eau

 

 

Version 1
1. November 2011.
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by DASS-NC Service santé environnement , 01. November, 2011

Plans de Sécurité Sanitaire des Eaux de consommation (PSSE) Etudes de cas en Nouvelle-Calédonie

by DASS-NC Service santé environnement , 01. November, 2011

French version. This document describes the WSP implementation process in New Caledonia (French territory in the Pacific Ocean) for 13 municipalities that started in 2008. It describes the risk assessment and management tools used, the benefits achieved, the challenges and solutions to those challenges and the overall lessons learned.

Version 1
18. August 2017.
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by World Health Organization, 14. August, 2017

Potable reuse: Guidance for producing safe drinking-water

by World Health Organization, 14. August, 2017

In response to growing pressures on available water resources, potable reuse represents a practical source of drinking-water in many circumstances.

This document describes how to apply appropriate management systems to produce safe drinking-water from municipal wastewater. Information is provided on specific aspects of potable reuse, including the quality and protection of source wastewaters, types of control measures, monitoring considerations and public acceptance. Application of potable reuse is also illustrated through a number of case studies.

The guidance is intended for use by drinking-water suppliers and regulators who are familiar with the WHO’s Guidelines for drinking-water quality and, in particular, the framework for safe drinking-water, including water safety plans. This publication may also be useful to others with an interest in potable reuse including environmental health and water resource professionals.

Version 1
19. May 2016.
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by Marilyn Maycock USEPA, 19. May, 2016

ppt – Quality Systems: ISO/IEC 17025:2005

by Marilyn Maycock USEPA, 19. May, 2016

Powerpoint presentation for the US EPA with an introduction to the ISO ISO/IEC 17025:2005 international standard for calibration and testing labs - including its purpose and how to ensure the quality system are effective

Version 1
19. May 2016.
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by Mark Rodgers - USEPA, 19. May, 2016

ppt – The Importance of Laboratory Support in the Implementation of Water Safety Plans

by Mark Rodgers - USEPA, 19. May, 2016

Powerpoint presentation from the USEPA on the Importance of Laboratory Support in the Implementation of Water Safety Plans. The critical elements to laboratory support as well as he linkages between Water Safety Plan implementation and laboratory support are explained.

Version 1
4. December 2017.
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by World Health Organization (Regional Office for South-East Asia), 17. July, 2017

Principles and Practices of Drinking-water Chlorination: A guide to strengthening chlorination practices in small- to medium-sized water supplies

by World Health Organization (Regional Office for South-East Asia), 17. July, 2017

Practical guidance and training materials for small- and medium-sized water supplies, and for those providing training and support to these suppliers, on strengthening chlorination practices – a common improvement need identified through the WSP process in the South-East Asia and Western Pacific regions. Training materials include a facilitator’s guide and PowerPoint slides, and basic standard operating procedures and calculation sheets for effective and safe chlorination. The materials are based on training programmes delivered in the regions.

Version 1
20. March 2006.
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by World Health Organization, 2006

Protecting groundwater for health: managing the quality of drinking-water sources

by World Health Organization, 2006

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.

Version 1
8. November 2016.
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by World Health Organization (Editors: Rickert B et al., 01. July, 2016

Protecting surface water for health

by World Health Organization (Editors: Rickert B et al., 01. July, 2016

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 on the development and application of water safety plans, which represent best practice to address the assessment and control of surface-water hazards in drinking-water catchments.

Version 1
8. November 2016.
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by World Health Organization (Editors: Rickert B et al.,

Protecting surface water for health: Editable checklists and tables to support catchment inspection

by World Health Organization (Editors: Rickert B et al.,

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 assessment checklists and inventory tables that are presented in the book to support surface-water catchment inspection are presented here. Please refer to the introductory pages of Section 3.2 of Protecting surface water for health for guidance on how to use these checklists and tables to perform a catchment assessment (http://www.who.int/water_sanitation_health/publications/pswh/en/).

Version 1
1. December 2008.
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by Bob Breach , 01. December, 2008

Rapid gravity filters-water quality benefits and risks

by Bob Breach , 01. December, 2008

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 plan.

Version 1
5. March 2020.
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by University of Surrey, 05. March, 2020

Risk assessment of small water supplies

by University of Surrey, 05. March, 2020

Set in Iceland, this short video documents how sanitary inspections can be applied as a basic risk management tool for small water supplies. For more information, visit: https://www.surrey.ac.uk/department-civil-environmental-engineering/research/water-environment-and-health-engineering-group

Version 1
5. March 2020.
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by University of Surrey, 05. March, 2020

Risk assessment of small water supplies in lower-middle income settings

by University of Surrey, 05. March, 2020

Set in Uganda, this short video documents how sanitary inspections can be applied as a basic risk management tool for small water supplies in resource limited settings. For more information, visit: https://www.surrey.ac.uk/department-civil-environmental-engineering/research/water-environment-and-health-engineering-group

Version 3
18. December 2017.
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by WHO, 2016

Risk Matrix – Example of Semi-Quantitative Matrix

by WHO, 2016

Example of a semi-quantitative risk matrix to classify the severity and likelihood of identified hazards and hazardous events.

Version 1
12. August 2021.
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by State Ministry of Rural and Divisional Drinking Water Supply Projects Development,

Rural Water Safety Plan – Instructions and Training Materials

by State Ministry of Rural and Divisional Drinking Water Supply Projects Development,

Tailored guidance package to support rural water safety planning in Sri Lanka. Includes stepwise instructions for trainers to conduct a rural WSP training incorporating a field visit.

Version 1
19. May 2016.
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by Royal Government of Bhutan et al., 01. December, 2013

Rural Water Safety Plan (RWSP) Facilitator’s Guide

by Royal Government of Bhutan et al., 01. December, 2013

The facilitator‟s guide for the Rural Water Safety Plan Workshop has been prepared based on the Water Safety Planning for Small Community Water Supplies adapted to the Bhutanese context. This manual will describe how rural communities can deliver and sustain safe drinking water by developing and implementing WSPs for their own communities.