Sewage disposal
The concluding return of used water to the environment. Disposal points distribute the exhausted water either to aquatic bodies this type of as oceans, rivers, lakes, ponds, or lagoons or to land by absorption systems, ground-water recharge, and irrigation. Waste waters must be mixed, diluted, and absorbed so that getting environments retain such a beneficial use, be it for drinking, bathing, recreation, aquaculture, silviculture, irrigation, groundwater recharge, or industry.
Waste water is treated to remove contaminants or pollutants that influence water superiority and use. Discharge to the surroundings should be accomplished without transmitting diseases, endangering aquatic organisms, impairing the soil, or causing unsightly or malodorous conditions. The type and degree of treatment are dependent upon the absorption capability or dilution capacity at the rank of ultimate disposal.
