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Key Words： drinking water；surveillance；british columbia；canada
Article ID:1006-3617(2007)01-0117-03
CLC Number:R12
Document:A
A drinking water supply is a complicated system in its construction, operation, maintenance and need for public health surveillance. The role of public health in a drinking water supply is to ensure public health protection in all public and community water systems from intake to tap by controlling and preventing outbreaks of infectious diseases, inspecting and monitoring water systems, licensing operating permits, and regulating the construction, alternation or extension of all public and community water systems[1].
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