Answer:
Prevent and conserve water.
Explanation:
The CWA known as Clean Water Act has authorized the minimum structure for regulated discharging of water pollutants of the US and had regulated the best quality standard for the water surfaces. The year was 1948 in which the CWA Act passed. This Act was established because the citizens of the US wanted to prevent and conserve water from water pollution in the US, this was basically the purpose of the Act that was passed.
