Residential or domestic wastewater is sewage that is derived principally from residential facilities or dwellings, business buildings, institutions, industries and the like, originating as wastes from kitchens, lavatories, bathrooms and showers.
Industrial wastewater is sewage that results from any process of industrial, commercial, governmental or institutional concerns, manufacturing, business, trade or research including the development, recovery and processing of natural resources, or from sources other than those described as Domestic or Residential Sewage.
Groundwater and surface runoff may be considered industrial wastewater if contaminated with industrial process chemical constituents.
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