facility designed to treat wastewater (3.80) by a combination of physical, chemical and biological processes, for the purpose of reducing the organic, inorganic and some microbial contaminants (3.15) in the wastewater

water arising from any combination of domestic, industrial, commercial or institutional activities, surface runoff and any sewer inflow/infiltration water and which can include collected storm water (3.72)

water arising from any combination of domestic, commercial activities, surface runoff and any accidental sewer inflow/infiltration water

set of interrelated or interacting unit treatment processes (3.75)

treatment for the removal of total dissolved solids and/or trace constituents (3.14) as required for specific water reuse applications (e.g. activated carbon adsorption, reverse osmosis, and advanced oxidation processes)

discharge resulting from any industrial or commercial activity

unit process designed to transform the water quality by physical, biological and/or chemical means

treatment unit process or group of integrated unit processes designed to transform the water quality by physical, biological and/or chemical means

operation of any kind by which a product is recovered or disposed of

minimum treatment to be adopted to achieve the water quality requirements for protecting and maintaining the safe, reliable and stable reclaimed water (3.63) use