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)decreases in water withdrawal for industrial uses.
E)the emphasis in 1950 of 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 the regulatory framework for reducing discharges of pollutants into the waters of the United States and regulating quality standards for surface waters. This act has significantly contributed to the decrease in surface water pollution since its enactment.

The Main Reason That Surface Water Pollution Has Largely Decreased