Small drinking-water supplies commonly experience operational, managerial, technical and resourcing challenges that impact their ability to deliver safe and reliable services. The needs and opportun
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ities associated with these supplies therefore warrant explicit consideration in policies and regulations.
These Guidelines, specifically tailored to small water supplies, build on over 60 years of guidance by the World Health Organization (WHO) on drinking-water quality and safety. They focus on establishing drinking-water quality regulations and standards that are health based and context appropriate; on proactively managing risks through water safety planning and sanitary inspections; and on carrying out independent surveillance. The guidance is intended primarily for decision-makers at national and subnational levels with responsibility for developing regulatory frameworks and support programmes related to these activities. Other stakeholders involved in water service provision will also benefit from the guidance in this document.
Designed to be practical and accessible, these Guidelines offer clear guidance that is rooted in the principle of progressive improvement. State-of-the-art recommendations and implementation guidance are provided, drawn from a comprehensive evidence review and established good practices. Additionally, case examples are provided from countries and areas around the world to demonstrate how the guidance in this publication has been implemented in practice in a wide variety of contexts.
Together with WHO’s 2024 Sanitary inspection packages – a supporting tool for the Guidelines for drinking-water quality: small water supplies, these Guidelines update and supersede WHO’s 1997 Guidelines for drinking-water quality. Volume 3: surveillance and control of community supplies. Key changes to this updated publication include a greater focus on preventive risk management and a broader range of small water supplies covered, including those managed by households, communities and professional entities.
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At its 48th session of Codex Committee on Food Hygiene (CCFH), the Committee noted the importance of water quality and safety in food production and processing. CCFH requested the Food and Agriculture Organization of the United Nations
(FAO) and th
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e World Health Organization (WHO) to provide guidance for those scenarios where the use of “clean water” (i.e. water that does not compromise the safety of the food in the context of its use) was indicated in Codex texts and on
where it is appropriate to use “clean water”. In particular, guidance was sought for the use of irrigation water and “clean” seawater and on the safe reuse of processing water.
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This guide is intended for people involved in the management and operation of small- to mediumsized organized water supply systems. The content has been developed with particular consideration for operational-level personnel with responsibility for
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chlorination (for example, water treatment plant operators and technicians). The material presented within this guide may also be relevant for engineers and representatives from public health, local government, non-governmental organizations, as well as any other individuals supporting water safety planning activities for the supply of safe drinking-water.
Part 1. Chlorination principles: Describes key chlorination concepts, providing a knowledge foundation for the implementation of effective chlorination practices.
Part 2. Chlorination practices: Describes the practical application of the concepts presented in Part 1, including calculations and procedures for safe and effective chlorination of drinking-water supplies.
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Safe drinking-water management must consider drinking-water quality, acceptability and quantity in the context of public health protection. In this
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manual, the term “safety” encompasses these three elements. Although the principles in this manual can be broadly applied to all types of drinking-water supplies, the guidance is primarily intended for piped water supplies that are professionally managed (by a water supplier or equivalent management entity).The guidance may be applied to existing drinking-water supplies, or adapted for water supplies that are in the planning stage before construction.
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WaterAid is an international NGO that provides assistance for safe water supply,
sanitation and hygiene practice in the poor communities in the world.
Long-term planning for an adequate and safe supply of drinking-water should be set in the context of growing external uncertainties arising from changes in the climate and environment. The
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water safety plan (WSP) process offers a systematic framework to manage these risks by considering the implications of climate variability and change.
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Children without access to safe water are more likely to die in infancy -- and throughout childhood -- from diseases caused by
water-borne bacteri
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a, to which their small bodies are more vulnerable.
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Water security, or having the right amount and quality of water in the right place at the right time, fosters social and economic progress. Where water
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is sufficient to meet demand, it can promote economy wide growth and enable countries to reach their food security, energy security, and human development goals. Where it is scarce, excessive, or unclean it can exacerbate multiple dimensions of poverty. Neither of these two worlds is protected from future water crises, which are heavily influenced by changing local circumstances
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A field manual for Red Cross/Red Crescent personnel and volunteers
This technical brief presents the current options for safe storage and point of use water treatment. It is intended to help field staff working in a variety of locations to decide upon the most appr
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opriate course of action for providing safe water for the communities in which they work. The effectiveness of household water treatment options now and in the future rely to a huge extent on user compliance; it is critical that users are involved in the decision making process, and are aware of the purpose, how to use, maintain and manage their household water options. The brief therefore details relevant hygiene promotion steps for the different treatment options.
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The WHO/UNICEF JMP report, WASH in Health Care Facilities, is the first comprehensive global assessment of water, sanitation and hygiene (WASH) in health care facilities. It also finds that 1 in 5 health care facilities has no sanitation service*, i
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mpacting 1.5 billion people. The report further reveals that many health centres lack basic facilities for hand hygiene and safe segregation and disposal of health care waste.
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Examples of small-scale disinfection products for safe drinking water
This paper explores access to water, sanitation, and health in pastoral communities in northern Tanzania. It argues that the concept of gender, used on its own, is not enough to understand the complexities of sanitation, hygiene,
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water, and health. It explores pastoralists’ views and perspectives on what is ‘clean’, ‘safe’, and ‘healthy’, and their need to access water and create sanitary arrangements that work for them, given the absence of state provision of modern water, sanitation, and hygiene (WASH) infrastructure. Although Tanzania is committed to enhancing its citizens’ access to WASH services, pastoral sanitation and hygiene tend to be overlooked and little attention is paid to complex ways in which access to ‘clean’ water and ‘adequate sanitation’ is structured in these communities. This paper offers an intersectional analysis of water and sanitation needs, showing how structural discrimination in the form of a lack of appropriate infrastructure, a range of sociocultural norms and values, and individual stratifiers interact to influence the sanitation and health needs of pastoralist men, women, boys, and girls.
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This report presents, for the first time, a global assessment of the extent to which health care facilities provide essential water, sanitation and hygiene (WASH) services. Drawing on data from 54 low- and middle-income countries, the report conclud
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es that 38% lack access to even rudimentary levels of water, 19% lack sanitation and 35% do not have water and soap for handwashing. When a higher level of service is factored in, the situation deteriorates significantly. A number of areas require urgent action and WHO will work with UNICEF, Governments and other partners to develop a global plan to address the most pressing needs and ensure that all health care facilities have WASH services.
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Mainstreaming Gender in Water and Sanitation
Chapter 5: A Community Guide to Environmental Health
Azraq refugee camp located in Zarqa governorate was established in April 2014. As of June 2023, the camp continues to hosts 40,600 Syrian refugees, with 61% of the population children, and 25% of all households female-headed (UNHCR, 2023).
The water
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supply system in Azraq has been operational since 2017 across the four villages of the camp and consists of 300 tap stands, two boreholes and two storage locations (each with 16 T-95 steel tanks).
Based on data from UNICEF (2022), the community is provided on average 2100 cubic meters of safe, treated water a day, which is distributed across the camp via a gravity flow system. A distribution schedule is in place, with water pumped during two shift times each day in the morning and evening. Monthly data reported through ActivityInfo (2023) shows a range 53.5-76.3 million liters per month provided through the network in 2022 for an average of 57 liters/person/day – well above the locally agreed minimum standard of 35 liters/person/day and the SPHERE standard of 15 liters/person/day.
Latrine and shower facilities in the camp are organized through communal WASH blocks shared typically between three households and connected to water and greywater networks. However, based on an ACF and World Vision assessment (2022), 60% of the surveyed households are using private latrines (50% self-constructed latrines, and 10% constructed by WASH actors), 24% of households used communal latrines as private latrines not shared with other families, and 16% reported the use of communal latrines shared with other families.
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