Answer:
Option A , Clean water act
Explanation:
The clean water act is the regulatory document that formulate the basic structure of controlling the discharge of waste and pollutant into the water. This act came into being in 1948 and was further amended in 1972. Under this act standards were set for wastewater discharge from industries and surface water.
Also the discharge of waste into navigable water without prior permission was made unlawful
hence, option A is correct.
