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A pump station lifts wastewater to a higher elevation in places where flat land would require excessively deep sewer trenches. Pump stations are also used to raise wastewater from areas too low to drain to available collection lines. The District maintains seven (7) sewage-pumping stations within its service area. Five (5) of these are located in Cleveland, one (1) in Independence and one (1) in Brooklyn. These stations pump wastewater from low-lying areas to gravity sewers where it is conveyed to the treatment plants.
A regulator is a device used in combined sewers to control or regulate the diversion of flow. In the District's service area, there are two types of regulators: fixed weir and automated.
Fixed weir regulators are designed to divert flow to the treatment plants and to prevent basement flooding during a rain event. There are over 460 fixed weir regulators located within the Cleveland area that are regularly inspected and maintained by the District. These regulators are located in the combined sewer areas.
Automated regulators control storm gates and fabric dams to retain flow in the interceptor system until capacity is available for transport to the treatment plants. Over 29 automated regulators have been installed throughout the District's interceptor network.
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