Great Lakes Regional Pollution Prevention Roundtable
Promoting Pollution Prevention Through Information Exchange
GLRPPR Sector Resource: Reduction of Non-Revenue Water through Continuous Acoustic Monitoring
This pilot project sought to quantify the reduction of infrastructure leakage using active acoustic monitoring. The installation of advanced correlating continuous acoustic monitoring (correlating CAM) technology alerted the utility to water leaks close to the moment they started, rather than after they surfaced. A key to effective monitoring is the metering of the system supply to quantify leakage and determine the extent of non-revenue water losses. The economic analysis includes not only water production cost savings, but also identifies secondary benefits including projected reduction of overtime due to leak repair and damage caused by leaks. Because the system was put in place within 60 days of the start of the year-long project, there was sufficient time (including fall and winter months, when leaks are most prevalent) for leak equipment to be assessed and savings to be identified.
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