The main reason that surface water pollution has largely decreased in the United States since 1950 is
A) The Clean Water Act
B) A series of epidemics that inspired action
C) The discovery of newer technology that makes it cheaper not to pollute
D) The decrease in water withdrawal for industrial uses
E) The emphasis, in 1950, on watershed management

Question

Quizplus · Accepted Answer

The Clean Water Act, enacted in 1972, has been a pivotal piece of legislation in the United States aimed at reducing pollution in the nation's waters. It established a regulatory framework to control pollutant discharges into the waters of the United States, including surface waters. This act has significantly contributed to the decrease in surface water pollution by setting water quality standards and implementing pollution control programs.

The Main Reason That Surface Water Pollution Has Largely Decreased