The 1974 Congressional Safe Drinking Water Act empowered Congress to protect groundwater in the United States. empowered the EPA to protect groundwater in the United States. gave Congress the authority to regulate water quality in navigable waterways. gave the EPA the authority to regulate water quality in navigable waterways.

empowered the EPA to protect groundwater in the United States.

Explanation:

The 1974 Congressional Safe Drinking Water Act was passed by the United States Congress. In the act, the U.S. EPA (the United States Environmental Protection Agency) is empowered to carry out certain responsibilities and duties. Among which is the establishment of"minimum standards for state programs to protect underground sources of drinking water from endangerment by underground injection of fluids."

Hence, the correct answer, in this case, is "empowered the EPA to protect groundwater in the United States."

answer: b.

explanation: