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The standard becomes the minimum regulatory requirement in a permit. If the national standard is not sufficiently protective at a particular location, then water quality standards may be employed, and the permit authority (state or EPA) will include water quality-based effluent limitations in the permit. [21]: 1–3
The section requires states to identify water bodies that cannot meet water-quality standards without control of nonpoint sources. The states must then identify best management practices (BMPs) and measures for those impaired sources, along with an implementation plan. The EPA approves these plans, and if a state fails to develop a plan, the ...
The revised standards of coastal recreation water quality criteria under section 304(a)(9) states that every state adjacent to coastal recreational waters must submit to the revised water quality criteria of pathogen and pathogen indicators set by the Administrator no later than 36 months after the Administrator's publications. [5]
Water quality laws govern the protection of water resources for human health and the environment. Water quality laws are legal standards or requirements governing water quality, that is, the concentrations of water pollutants in some regulated volume of water. Such standards are generally expressed as levels of a specific water pollutants ...
The Water Quality Act of 1965 required states to issue water quality standards for interstate waters, and authorized the newly created Federal Water Pollution Control Administration to set standards where states failed to do so. No mechanism for federal enforcement was established.
The treatment plants, known as publicly owned treatment works (POTW) in CWA parlance, must protect the health and welfare of the local population by ensuring that wastewater does not contaminate the local potable water supply, nor violate additional water quality standards that protect the ecological health of the water body.
Topsoil runoff from farm, central Iowa (2011). Water pollution in the United States is a growing problem that became critical in the 19th century with the development of mechanized agriculture, mining, and manufacturing industries—although laws and regulations introduced in the late 20th century have improved water quality in many water bodies. [1]
Congress enacted the Federal Water Pollution Control Act Amendments of 1972, better known as the Clean Water Act (CWA). [21] The CWA established a national framework for addressing water quality, including mandatory pollution control standards, to be implemented by the agency in partnership with the states. [22]