A Guide to conducting household surveys for water safety plans
Corporate Authors:National Center for Environmental Health (U.S.), Division of Emergency and Environmental Health Services. ; Centers for Disease Control and Prevention (U.S.) ;
Description:Introduction -- Before you start -- Time lines -- Budget planning -- Informed consent/human subjects protection -- Determining sample size -- Survey design -- Household selection -- Recruitment and training of the survey team -- Developing the survey questionnaire -- water quality testing of household sources -- Data entry, analysis and reporting -- Alternatives to a household survey -- Appendix A. Section-by-section summary survey planning checklist -- Appendix B. Sample budget estimate for WSP Household Survey -- Appendix C. Sample informed consent for WSP Household Survey -- Appendix D. Method for calculating sample size for a WSP Household Survey -- Appendix E. Sample household (HH) tracking log -- Appendix F. Sample daily household visitation log sheet -- Appendix G. Sample contracts for survey personnel -- Appendix H. Sample WSP Household Survey training program -- Appendix I. Survey instrument for a WSP Household Survey.
Water Safety Plans are a World Health Organization (WHO) methodology designed to assess and manage risk in drinking water systems. A Water Safety Plan (WSP) aims to identify hazards to drinking water quality that can be introduced at multiple points from the source to the tap. The WSP does not, however, traditionally provide for identifying hazards that could compromise drinking water quality after it reaches the household tap, such as contamination associated with water collection, storage, and treatment practices within the home. A household survey can help researchers to understand the fate of water from the time it reaches the home to the point of consumption. It can provide valuable information about the quality and reliability of water reaching the home and changes to water quality through household storage and treatment. It can also provide information on the prevalence of water-related illnesses, community perceptions and concerns, alternate or supplemental water sources, and customer satisfaction, information that may fall outside the purview of a traditional Water Safety Plan. A household survey contributes to Module 2 (System Assessment) of the Water Safety Plan, upon which the subsequent steps of hazard identification, consideration of control measures, and development of corrective actions, monitoring, and verification plans are based. Thus, the survey provides valuable information for the WSP team as the team goes through the process of system evaluation and implementation of changes resulting from the Water Safety Plan. 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. Specific examples intended to guide the planner in designing the survey are provided in the appendices.
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