Which law provided billions of dollars to cities and states to build wastewater facilities?

The answer is Clean Water Act. It is a U.S. federal law that controls the discharge of pollutants into the nation's surface waters. This act was initially known as the Federal Water Pollution Control Act. Also, this act is managed by the U.S. Environmental Protection Agency (EPA), which arranges water quality standards, handles implementation, and helps state and local governments advance their own pollution control plans. The federal government delivered billions of dollars in grants to back the building of sewage treatment facilities around the country. This act also necessitate businesses to apply for federal documents to discharge pollutants into water courses, as well as to decrease the amount of their discharges over time.

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