Small sewage pumping is usually done by a Submersible Sewage Pump.

　　This became popular in the early 1960s when a rail system was developed to lift the Submersible Sewage Pump out of the pumping station for repairs, ending the dirty and sometimes dangerous task of sending people into a sump or wet pit. As more and more specification makers and developers understand its advantages, the development of a Submersible Sewage Pump for sewage pumping is very rapid.

　　There are three types of submersible pumps:

　　Small submersible pumps for domestic and light commercial applications can typically handle spherical solids up to 55 mm (2.2 in), with a power range of 0.75 to 2.2 kilowatts (1.01 to 2.95 horsepower).

　　Larger submersible pumps, which handle 65 mm (2.6 inches) and larger solids, usually have a discharge volume of at least 80 mm (3.1 inches). Submersible Sewage Pump is commonly used in municipal and industrial applications for pumping sewage and all types of industrial wastewater.

　　Submersible chopper pumps are used to treat larger concentrations of solids and/or harder solids than traditional sewage pumps cannot handle. Chopper pumps are commonly used in municipal and industrial wastewater applications and provide clogging-free operation by impregnating solids that may clog other types of submersible pumps.

　　Submersible pumps are usually used in complete pumping stations that cannot drain by gravity.

　　Vertical sewage pumps have also been used for many years. Their motor is located above the floor, so they can work on the motor without entering the sump.

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