The Clean Water Act of 1972 has had the greatest impact on water quality in the United States by establishing the framework for regulating discharges of pollutants into the waters of the United States and setting water quality standards. This legislation has led to significant improvements in the management of wastewater, control of point source pollution, and the restoration of aquatic ecosystems, contributing to cleaner and healthier water bodies across the nation.
In two to three sentences what clean water regulation do you think has had the greatest impact on the water quality in the United States
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