The areas in which new laws have helped clean up the water are:

Question

It required factories to dispose of chemicals correctly.
It required factories to clean up contaminated water before it could be released.
It provided high standards of drinking water in the cities.
It required required factories to limit the emission of chemicals and heavy smoke.
It required that wastewater treatment plants were built that would clean up contaminated water.

Answer 1

It established strict regulations for agricultural practices to prevent contamination from fertilizers and pesticides.
It established buffer zones and limits on construction near bodies of water to protect against runoff and erosion.
It established pollution control programs and funding for research and development of new technologies to reduce water pollution.
It required education and awareness programs to inform the public about water conservation and pollution prevention measures.
It established penalties and fines for individuals or companies that violate water pollution laws.