Once potable water has been distributed through the mains to the consumer, it serves as a carrier of multiple pollutants added through domestic, commercial, and industrial use. Domestic (or sanitary) sewage—the wastewater discharged by household and commercial users—has the obvious high potential for carriage of pathogens from human wastes, dishwashers, laundry, bathing facilities, and miscellaneous substances that get flushed down toilets or drained into sinks.
KeywordsBiochemical Oxygen Demand Septic Tank Human Waste Storm Sewer Sanitary Sewer
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