The Clean Water Act (CWA) of 1972 has had the greatest impact on water quality in the United States by establishing the framework for regulating discharges of pollutants into navigable waters and setting water quality standards. This legislation has led to significant reductions in toxic pollutants and improvements in the overall health of the nation’s waterways. Additionally, the Act has facilitated the development of wastewater treatment plants, helping to protect public health and the environment by ensuring cleaner water for millions of Americans.
Into the three sentences what can clean water regulation do you think has had the greatest impact on water quality in the United States
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