There is debate about which variety of sump pump is better. One man had the sludge coming out of his sump pump. A grinder pump is different from a sump pump or effluent pump. Usually the bottom end is dry sumped using a Tsubakimoto dry sump pump. Modern sump pump components in the United States are standardized. Municipalities urge homeowners to disconnect and reroute sump pump discharge away from sanitary sewers. Early production included relays, switchettes, and sump pump switches, followed by cold and heat controls. Alternative sump pump systems can be driven by municipal water pressure. A huge sump pump beyond center field then drains into the city sewer system. Under normal conditions, the main electric powered sump pump will handle all the pumping duties.