23. Sewer in the News This scattergraph is a hydraulic mother lode showing three distinct hydraulic events. This flow monitor was installed in a 15-in […]
22. Hydraulic Hysteresis This scattergraph displays data from a flow monitor installed in a 21-in trunk sewer. During wet weather, backwater and surcharge conditions are […]
21. Knife Gate Valve A satellite collection system discharges wastewater to another agency through a 27′ sewer for subsequent conveyance and treatment. The observed minimum […]
20. Inverted Siphon This flow monitor is installed in a sewer just upstream from an inverted siphon comprised of two 8-inch barrels. The incoming sewer […]
19. Pump Station When operating in backwater conditions caused by a pump station wet well, flow monitoring data follow and iso-Q equal to the pumping […]