AWWA ACE65326

AWWA ACE65326 Identification of Contaminant Intrusion Events into Water Distribution Systems with a Limited Number of Sensors
Conference Proceeding by American Water Works Association, 06/01/2007

Huang, Jeanne; McBean, Edward A.

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This powerpoint presentation begins by listing the causes of contaminant intrusion as:Water Main Breaks and Water Main Leaks;Backflow Control Valve Failures;Cross Connections; and,Terrorism. The study approach included: finding strategic locations for sensors; and,developing a practical algorithm toidentify contaminant intrusion. Major approaches adopted in previouswork are listed, along with a data mining approach, advantage of data mining method, procedure to establish a database, SODA (Screening Out Data-miningAlgorithm); and, approach developed in this study -Maximum Likelihood Method.