The clean water act

required industries to reduce or eliminate point source pollution in surface waters

set maximum contaminant levels for drinking water

required that pollution-control devices be installed on cars and trucks and at factories

established national ambient air quality standards

The Clean Water Act required industries to reduce or eliminate point source pollution in surface waters

Explanation:

Aiming to make American waterways safe for swimming and fishing, the US government passed the Clean Water Act in 1972, legislation that regulates quality standards for surface waters including rivers, wetlands, lakes and coastal areas, and that requires industries to obtain permits to discharge pollutants into navigable waters and requires them to reduce or eliminate point source pollution (like pipes, ditches and factories smokestacks) in surface waters over time.

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