WATER SAFETY PLANS FROM THE ENGINEER ’ S PERSPECTIVE

Abstract

Water safety plans are public health related risk management plans, covering the entire water
supply system, based on the theorem of prevention. Risk evaluation is fundamental for setting up a
risk management system. A modified risk assessment equation is shown which takes into account
the severity of consequences of the hazard an accentuated way. This method was used successfully n a
number of practical water safety system applications. Water safety plans are practical tools for water
utility operators which can be applied in different fields of operation, from water quality improvement of
decision support tool of developments. The role of the distribution system and its operation is clarified
from water quality deterioration and risk mitigation point of view.