Transcription of 7. Water supply - WHO
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7. Water supply - WHO
Preparedness and protectionWater- supply problems arise in all phases of the disaster-management cycle. As with allother elements of emergency management, Water supplies can be designed and main-tained in ways that help to reduce the health impacts of is useful to distinguish between large-scale, formal Water - supply systems ( urbanwater- supply systems) and small-scale, scattered supplies. The distinction is not so muchbetween urban and rural areas, as one based on the level of technology and the insti-tutional arrangements for management, maintenance, and protection. Whether theaffected systems are rural or urban, sanitation surveys may be necessary to identify themain health hazards (World Health Organization, 1997a).
7. Water supply 7.1 Water-supply preparedness and protection ... springs may be destroyed in a landslide. Wells near rivers can be contaminated and filled with sand during unusual flash flooding. All piped systems are subject to breaks and dis- ... See Chapter 15 for more information on hygiene promotion and participation.
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