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AWWA WSC63716
- Surveillance of 311 Water Quality-Related Calls as a Warning System for Sudden Water Quality Changes
- Conference Proceeding by American Water Works Association, 09/01/2006
- Publisher: AWWA
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The New York City Department of Environmental Protection (DEP) deployedin the 1990's an asset management and customer service database.Tracking of water quality-related calls began in 1999. The number of calls and spatial analysis of the number of calls received for waterquality-related calls demonstrate that consumers do call as a result ofsudden water quality changes. The analysis of consumer calls can play animportant role in identifying intentional contamination of a water supply. Itshould complement data gathered from other sources that include real-timeon-line sensors, syndromic surveillance, and be used with mapping used fordistribution system models and consequence analysis. The present analysisuses community districts which are political boundaries used for city servicedelivery. Efforts are underway to map calls by pressure zones and automatethe mapping of calls in real-time. Includes tables, figures.
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