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Wastewater is water used or contaminated in various applications or processes. Learn about different kinds of wastewater, such as sewage, industrial, leachate, return flow, surface runoff, and agricultural wastewater.
Learn about the different types of wastewater treatment plants, such as sewage, industrial, agricultural and leachate, and the processes they use to remove contaminants and produce effluent. Find out the global trends, challenges and examples of wastewater treatment and reuse.
Learn about the definition, comparison, applications and types of decentralized wastewater systems, which treat and dispose or reuse wastewater from small and low-density communities, buildings and dwellings. Find out the advantages, challenges and examples of decentralized wastewater treatment technologies.
Sewage (or domestic wastewater) consists of wastewater discharged from residences and from commercial, institutional and public facilities that exist in the locality. [2]: 10 Sewage is a mixture of water (from the community's water supply), human excreta (feces and urine), used water from bathrooms, food preparation wastes, laundry wastewater, and other waste products of normal living.
The Clean Water Act is the primary federal law in the U.S. governing water pollution since 1972. It aims to restore and maintain the integrity of the nation's waters and wetlands, and is administered by the EPA and the Corps of Engineers.
Sanitation refers to public health conditions related to clean drinking water and treatment and disposal of human excreta and sewage. It aims to protect human health, environment and dignity, and is a global development priority and a human right.
Sewerage is the infrastructure that conveys sewage or stormwater using sewers. Learn about the history, types and challenges of sewerage systems, such as corrosion, water table lowering and fecal sludge management.
Effluent is wastewater from sewers or industrial outfalls that flows directly into surface waters, either untreated or after being treated. Learn about the different types of effluent, the regulations and guidelines for discharging it, and the effects of pollution on the environment.