Sewage Treatment Plant (STP) is a wastewater treatment system into a clean water quality 3, which then can be used for watering plants or waste kesungai without polluting the water of the river. Processed water is not to be consumed by humans, but to be discarded. Before waste can be a waste to the environment, the water should meet the standards of processed waste that is safe for the environment.
In the big cities was much applied Sewage Treatmen