The document summarizes key US regulations around water quality: 1) The Clean Water Act is the cornerstone of US water quality legislation, with the goal of making water drinkable and fishable. It establishes standards and enforcement measures for water quality. 2) The Safe Drinking Water Act defines maximum contaminant levels to protect drinking water. It prohibits certain contaminants and requires monitoring of lead and copper levels. 3) These acts have helped control water pollution, protect habitats, and establish programs to clean up contaminated sites and prevent oil spills.