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  2. Water supply and sanitation in Ethiopia - Wikipedia

    en.wikipedia.org/wiki/Water_supply_and...

    The major river in Ethiopia is the Blue Nile. However, most drinking water in Ethiopia comes from ground water, not rivers. Ethiopia has 12 river basins with an annual runoff volume of 122 billion m 3 of water and an estimated 2.6–6.5 billion m 3 of ground water potential.

  3. Dams and reservoirs in Ethiopia - Wikipedia

    en.wikipedia.org/wiki/Dams_and_reservoirs_in...

    Ethiopia has no agreement with Egypt or Sudan about the sharing of the river's water. Egypt says that its historic water rights would be violated by dams in Ethiopia and that its water security would be affected. Egypt and Sudan concluded a water sharing treaty in 1959. The agreement does not consider the water rights of other Nile riparian states.

  4. Water treatment - Wikipedia

    en.wikipedia.org/wiki/Water_treatment

    Dalecarlia Water Treatment Plant, Washington, D.C. Water treatment is any process that improves the quality of water to make it appropriate for a specific end-use. The end use may be drinking, industrial water supply, irrigation, river flow maintenance, water recreation or many other uses, including being safely returned to the environment.

  5. Wastewater treatment - Wikipedia

    en.wikipedia.org/wiki/Wastewater_treatment

    Sewage treatment plant (a type of wastewater treatment plant) in La Crosse, Wisconsin. 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.

  6. New Delta Wastewater Treatment Plant - Wikipedia

    en.wikipedia.org/wiki/New_Delta_Wastewater...

    The New Delta Wastewater Treatment Plant ... The plant has a water processing capacity of 7.5 million m 3 per day. [1] It is the world's largest wastewater treatment ...

  7. Zero liquid discharge - Wikipedia

    en.wikipedia.org/wiki/Zero_Liquid_Discharge

    Zero Liquid Discharge (ZLD) is a classification of water treatment processes intended to reduce wastewater efficiently and produce clean water that is suitable for reuse (e.g., irrigation). ZLD systems employ wastewater treatment technologies and desalination to purify and recycle virtually all wastewater received. [1] [2]