wastewater — [wāst′wôt΄ər, wāst′wät΄ər] n. water used by a factory, household, etc. and discharged as sewage … English World dictionary
Glossary of environmental science — This is a glossary of environmental science.Environmental science is the study of interactions among physical, chemical, and biological components of the environment. Environmental science provides an integrated, quantitative, and… … Wikipedia
Simplified sewerage — is a low cost sewer system that collects all household wastewater (WC wastes and sullage) in small diameter pipes laid at fairly flat gradients. Simplified sewers are laid in the front yard or under the pavement (sidewalk) or if feasible inside… … Wikipedia
Upper Guyandotte Watershed Association — The Upper Guyandotte Watershed Association (UGWA) is a 501(c)(3) non profit corporation located in Mullens, West Virginia. UGWA was officially founded in December, 2002 in response to the water quality problems that have negatively affected our… … Wikipedia
Constructed wetland — Vertical Flow type of Constructed Wetlands A constructed wetland or wetpark is an artificial wetland, marsh or swamp created as a new or restored habitat for native and migratory wildlife, for anthropogenic discharge such as wastewater,… … Wikipedia
Nitrogen cycle — Schematic representation of the flow of nitrogen through the environment. The importance of bacteria in the cycle is immediately recognized as being a key element in the cycle, providing different forms of nitrogen compounds assimilable by higher … Wikipedia
Storm drain — This article describes subterranean tunnels conveying runoff from urban streets. See Combined sewer for a description of early drainage systems designed to use storm runoff to flush sanitary and industrial wastes into natural waterways for… … Wikipedia
gray water — noun Date: 1977 household wastewater (as from a sink or bath) that does not contain serious contaminants (as from toilets or diapers) … New Collegiate Dictionary
Lake Ohrid — as seen from Galičica Mountain Coordinates … Wikipedia
Anaerobic digestion — and regenerative thermal oxidiser component of Lübeck mechanical biological treatment plant in Germany, 2007 … Wikipedia
Sewage treatment — The objective of sewage treatment is to produce a disposable effluent without causing harm to the surrounding environment, and also prevent pollution.[1] Sewage treatment, or domestic wastewater treatment, is the process of removing contaminants… … Wikipedia