In what year was the Clean Water Act passed?

The Clean Water Act was passed in 1972, marking a significant moment in environmental legislation in the United States. This law aimed to restore and maintain the integrity of the nation's waters by establishing the basic structure for regulating discharges of pollutants into waters and regulating quality standards for surface waters. The passage of the Clean Water Act represented a pivotal shift toward more stringent controls over water pollution and highlighted the federal government's commitment to improving water quality for public health and the environment.

The timeline of the Clean Water Act is particularly important because prior to its enactment, water pollution had become a dire issue, leading to widespread public concern and advocacy for stricter regulations. The Act not only set the framework for regulating pollutants but also provided for the establishment of water quality standards, which are essential for protecting aquatic ecosystems and ensuring safe drinking water for communities.

In contrast, the other years listed do not correspond to the enactment of the Clean Water Act, with significant environmental policies and amendments occurring in the years following the Act's passage.