A review on Low Cost Sensor Network for Real Time Contamination Detection in Drinking Water Distribution System.

This paper brings together the information necessary to design and implement a water quality monitoring system and provides a basis for water quality assessments and studies. Various techniques for water quality monitoring are explained in this paper. Freshwater quality is addressed in a holistic way, considering both surface waters and ground waters. Emphasis is given to monitoring the natural environment and to detecting and monitoring trends in water quality. This report reviews present water quality data gathering efforts, recommends additional data efforts, and recommends and discusses a water quality model suitable to meet the objectives mentioned. Such implementation is suitable for large deployments enabling a sensor network approach for providing spatiotemporally rich data to water consumers, water companies and authorities. Based on selected parameters a sensor array can be developed along with several microsystems for analog signal conditioning, processing, logging, and remote presentation of data. Finally, an algorithm for fusing on-line multi sensor measurements is selected on the basis of review of various techniques to assess the water contamination risk.