🌐EnglishEnglishDeutschFrançaisItalianoNederlandsPolskiالعربيةفارسی中文日本語EntityQ2978742· pop 8· linked from 1,676 articlesClean Water Actprimary federal law in the United States governing water pollutionConnectionsSupreme Court of the United StatesEntitywetlandEntityCategories1972 in American law1972 in the environment1977 in American law1987 in American lawUnited States federal environmental legislationWater law in the United StatesWater pollution in the United States