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 and maximum dry weather flow […]
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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 has a design capacity of […]
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 capacity. This monitor is located […]
18. CSO Side Weir This scattergraph displays data from a flow monitor installed in a 120-in sewer located just upstream from a CSO regulator. Dry weather flows are funneled into […]
17. CSO End Weir Flow monitoring data provide a means to determine the duration and volume of a combined sewer overflow (CSO). This scattergraph displays data from a flow monitor […]
16. Reverse Flow Reverse flow in a sewer system is rare, but in this situation a 12-in sewer is overpowered by a much larger downstream interceptor. During a rain event, […]