Wastewater (or drainage) is water generated after making use of freshwater, raw water, drinking water or saline water in a selection of deliberate applications or processes.:   1   Another meaning of wastewater is "Made use of water from any combination of domestic, industrial, commercial or farming tasks, surface overflow/ storm water, and any sewer inflow or sewer infiltration".:   175   In everyday usage, wastewater is commonly a synonym for sewer (also called domestic wastewater or local wastewater), which is wastewater that is produced by an area of individuals. As a generic term, wastewater may also describe water containing impurities collected in other settings, such as: Industrial wastewater: waterborne waste produced from a selection of commercial processes, such as manufacturing operations, mineral removal, power generation, or water and wastewater therapy. Air conditioning water, is released with potential thermal pollution after use to condense heavy steam or minimize equipment temperatures by conduction or dissipation. Leachate: rainfall including contaminants liquified while percolating with ores, basic materials, products, or strong waste. Return circulation: the circulation of water lugging suspended dirt, chemical deposits, or liquified minerals and nutrients from irrigated cropland. Surface area overflow: the circulation of water occurring on the ground surface when excess rainwater, stormwater, meltwater, or other sources, can no longer sufficiently rapidly penetrate the soil. Urban runoff, including water used for exterior cleansing task and landscape watering in densely populated locations created by urbanization. Agricultural wastewater: pet husbandry wastewater generated from restricted animal operations.
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