Respuesta :
The Safe Drinking Water Act (SDWA) is the main federal law that describe about the quality of Americans' drinking water.
The Clean Water Act prescribe states to designate surface waters used for drinking water and to establish water quality standards for those waters. Thus, the correct option is D that is clean Water Act has helped reduce water contamination, but further efforts are needed to maintain water quality.
What is contamination of water?
Contaminated water is referred to as the water that is changed due to the presence of microbes or physical alterations and chemicals.
Water contamination occurred by violent weather, run-off, water main breaks.
For more information regarding, contaminated water, visit:
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