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). Water sources are exposed to a variety of hazards that may damage or contaminatethem, but they can be protected against disasters to some extent.

design and contingency planning. Sabotage may pose a hazard to all stages of a water-supply system. Strengthening existing systems Weak points in distribution systems, such as river crossings, open canals, landslide scars, etc., or places where pipes cross earthquake faults, should be strengthened (see Figure 7.1).

Loading..

Tags:

  Planning, Contingency, And contingency planning

Information

Related search queries