This chart shows the sewage level in the manhole that is monitored by a SmartCover unit for a 30-day period. The graphical pattern (in blue) shows the normal diurnal flow pattern while the dotted red line above is the alarm setpoint that the Leucadia Wastewater District established to alert its standby duty operator. A “high level” alarm would indicate a sewer stoppage and allow the operator to respond and correct this “abnormally high sewage level” before it resulted in
The general public and regulatory agencies have grown more sensitive to sanitary sewer spills. In states like California, where sewer system management plans (SSMPs) have become the rule and third-party lawsuits have become more common, spill frequency and volume have been...
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