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2. History of waste management - Wikipedia

   en.wikipedia.org/wiki/History_of_waste_management

   The first known wastewater management system is located in present day Syria . Located in the Fertile Crescent, the Mesopotamian "oasis" shows evidence of wastewater management beginning around 6500 BCE.

3. History of water supply and sanitation - Wikipedia

   en.wikipedia.org/wiki/History_of_water_supply...

   The history of water supply and sanitation is one of a logistical challenge to provide clean water and sanitation systems since the dawn of civilization. Where water resources, infrastructure or sanitation systems were insufficient, diseases spread and people fell sick or died prematurely. Astronaut Jack Lousma taking a shower in space, 1974.

4. WM (Waste Management) (company) - Wikipedia

   en.wikipedia.org/wiki/WM_(Waste_Management...

   Waste Management's operations consist of environmental protection, groundwater protection, environmental engineering, and air and gas management. Waste Management currently operates ten full-scale waste treatment landfill projects in the U.S. and Canada.

5. Wastewater treatment - Wikipedia

   en.wikipedia.org/wiki/Wastewater_treatment

   Wastewater treatment is a process which removes and eliminates contaminants from wastewater. It thus converts it into an effluent that can be returned to the water cycle. Once back in the water cycle, the effluent creates an acceptable impact on the environment. It is also possible to reuse it.

6. Sewage treatment - Wikipedia

   en.wikipedia.org/wiki/Sewage_treatment

   Sewage treatment (or domestic wastewater treatment, municipal wastewater treatment) is a type of wastewater treatment which aims to remove contaminants from sewage to produce an effluent that is suitable to discharge to the surrounding environment or an intended reuse application, thereby preventing water pollution from raw sewage discharges.

7. Wastewater - Wikipedia

   en.wikipedia.org/wiki/Wastewater

   t. e. Wastewater (or waste water) is water generated after the use of freshwater, raw water, drinking water or saline water in a variety of deliberate applications or processes. [1] : 1 Another definition of wastewater is "Used water from any combination of domestic, industrial, commercial or agricultural activities, surface runoff / storm ...