How has the United States acted to address water pollution?

As amended in 1972, the law became commonly known as the Clean Water Act (CWA). The 1972 amendments: Established the basic structure for regulating pollutant discharges into the waters of the United States. Gave EPA the authority to implement pollution control programs such as setting wastewater standards for industry.

growing public awareness and concern for controlling water pollution led to sweeping amendments in 1972,as amended in 1972, the law became commonly known as the CLEAN WATER ACT.