Water purification
Water purification, process by which undesired chemical compounds, organic and inorganic materials, and…
Sewer
Sewer, conduit that carries wastewater from its source to a point of treatment and disposal. The…
Aqueduct
Aqueduct, (from Latin aqua + ducere, “to lead water”), conduit built to convey water. In a restricted sense,…
Water cycle
Water cycle, also called hydrologic cycle, cycle that involves the continuous circulation of…
Groundwater
Groundwater, water that occurs below the surface of Earth, where it occupies all or part…
Indus River
Indus River, Tibetan and Sanskrit Sindhu, Sindhi Sindhu, or Mehran, great trans-Himalayan river of South Asia. It is…
Water well
Aquifer Aquifer, in hydrology, rock layer that contains water and releases it in appreciable amounts. The rock…
