Water, wastewater, or other liquid flowing into a reservoir, basin, or treatment plant
{i} tributary, small stream flowing into a larger body of water; fluid going into a component; wastewater or other fluids flowing into a reservoir or sewage treatment plant (US Environmental Protection)
The water coming into and up to the impeller from the suction lines These pipes are under vacuum pressure
The stream entering a unit, stream or process, such as the hard water entering an ion exchange water softener
Dirty or unfiltered water introduced to the filter Also referred to as "feed" or "incoming slurry "
The water entering the pump, the filter or other equipment of space Water going into the pump is called in influent, while water leaving the pump is called the effluent