What does wastewater mean Select a lesson
 

explain wastewaterAll about wastewaterDefine wastewaterSources of wastewaterProblems of wastewaterTreating wastewaterBenefits of wastewaterFacts about wastewater



SUGGESTED LESSONS

Aquaculture
Climate Change
Ecosystems
Earth System
Food Waste
Forest Preservation
Genetic Engineering
Landforms
Natural Resources
Ocean Acidification
Overfishing
Ozone Depletion
Pollution
Renewable Energy

Water Scarcity
Waste and Recycling
dangers of sewage water



What is wastewater?

Wastewater refers to all
effluent from household, commercial establishments and institutions, hospitals, industries and so on. It also includes stormwater and urban runoff, agricultural, horticultural and aquaculture effluent.

Effluent refers to the sewage or liquid waste that is discharged into water bodies either from direct sources or from treatment plants. Influent refers to water, wastewater, or other liquid flowing into a reservoir, basin or treatment plant.

Sewage is also wastewater. It is wastewater originating from toilets and bathroom fixtures, bathing, laundry, kitchen sinks, cleaners, and similar dirty water that is produced in households and public places. Water used to irrigate turf and gardens, swimming pools, roof drainage, surface runoff and stormwater are all wastewater but not classified as sewage.

sewage disposal for children

In simple terms, wastewater is all the dirty water from municipal sources (poop, urine and faecal sludge). This includes black water, gray water and yellow water. All dirty water from all the schools, restaurants, commercial establishments, hospitals, farms, floodwater and all the possible dirty water you can think of is considered wastewater. Some wastewater contain hazardous dissolved toxins and chemicals, whiles others contain particles, sediments and suspended matter of all sizes.

Agriculture (irrigation, livestock watering and cleaning, aquaculture) uses about 69% to 90% of global fresh water use, and the bulk of it is returned to the soil, waterways or discharged with added nutrients and contaminants.source 1

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wastewater pollution

1. Prepared by AQUASTAT, FAO’s global water information system, 2014, http://www.fao.org/nr/aquastat



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