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American Water Works Company, Inc. American Water is an American public utility company that, through its subsidiaries, provides water and wastewater services in the United States. Its regulated operations provide water and wastewater services to approximately 1,700 communities in 14 states, serving a population of approximately 14 million.
The Hyperion Wastewater Treatment Plant in Los Angeles, California, is one of the largest municipal plants in the United States. Sewage treatment systems in the United States are subject to the Clean Water Act (CWA) and are regulated by federal and state environmental agencies. In most states, local sewage plants receive discharge permits from ...
Denitrification is commonly used to remove nitrogen from sewage and municipal wastewater. It is also an instrumental process in constructed wetlands [28] and riparian zones [29] for the prevention of groundwater pollution with nitrate resulting from excessive agricultural or residential fertilizer usage. [30]
Sewer mining (or sewage mining) is a concept where municipal wastewater ( sewage) is pumped from a trunk sewer and treated on-site to accommodate a range of local, nonpotable water needs. [1] It is a strategy for combating water scarcity. It combines decentralized wastewater management and water reclamation. [1]
Both these forms of reuse are described below, and commonly involve a more formal public process and public consultation program than is the case with de facto or unacknowledged reuse. [16] [29] Some water agencies reuse highly treated effluent from municipal wastewater or resource recovery plants as a reliable, drought-proof source of drinking ...
The Safe Drinking Water Act ( SDWA) is the principal federal law in the United States intended to ensure safe drinking water for the public. [ 3] Pursuant to the act, the Environmental Protection Agency (EPA) is required to set standards for drinking water quality and oversee all states, localities, and water suppliers that implement the standards.
The Metropolitan Water Reclamation District of Greater Chicago (MWRD), originally known as the Sanitary District of Chicago, is a special-purpose district chartered to operate in Cook County, Illinois since 1889. Although its name may imply otherwise, it is not a part of the City of Chicago 's local government but is created by Illinois state ...
Website. epa .gov /cwsrf. The Clean Water State Revolving Fund ( CWSRF) is a self-perpetuating loan assistance authority for water quality improvement projects in the United States. The fund is administered by the Environmental Protection Agency and state agencies. The CWSRF, which replaced the Clean Water Act Construction Grants program ...