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Improved Collection System Operations and Spill Prevention using Remote Wireless Real-Time Monitoring

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Sanitary sewer overflows are a common and serious problem for wastewater collection operators. Overflows cause environmental damage, can result in lawsuits and regulatory fines, and cause bad public relations for sanitary districts. Recent advances in electronics, wireless communications, and batteries have made it possible to develop a cost-effective and reliable means to monitor sewer systems in order to prevent overflows. Continuous real-time monitoring of a large number of manholes and lift stations in a collection system enables operators to avoid spills by alerting them to unusual water level conditions long before a spill occurs and provide time to take corrective action. The Olivenhain Municipal Water District and the City of Carlsbad have implemented networks of sewer monitoring devices that enable early warning of potential overflows, and these networks have successfully prevented sewer overflows under a variety of conditions. Four case studies are presented and discussed.

Document Type: Research Article


Publication date: 2008-01-01

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