<p>A wastewater treatment system is disclosed which utilizes only one fiberglass tank which has no compartments but includes a first flow equalization collector surrounded by a cylindrical partition which vertially eliminates hydraulic turbulence and creates a pre-strat zone. A novel floating decanter is disclosed and programmable circuitry including timing of aeration, liquid levels and decanting processes with the results of producing a quality supernatent affluent heretofore unavailable in such a simple system.</p>
