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To be more effective , specific water treatment methods are required for blooms of different microcystin producing species ( such as colonial and filamentous cyanobacteria found in stratified and unstratified water bodies , respectively ) . And with potable water treatment technology still primitive by our standards , almost any major corporation with operations there can be made to appear as though it is " depleting " the groundwater . " " I enjoyed learning more about the chemical and physical make up of membranes used in water and waste water treatment . According to City Officials , the waste water treatment plant in Franklin could be shut down for about three weeks . Many human actions - - such as vaccine production and water treatment - - tip the balance in favor of human beings .