Drinking water safety is a research area that focuses on ensuring that public drinking water sources are free from contaminants and safe for consumption. Researchers in this field study the sources of drinking water, the potential risks of contamination, and methods for testing and treating water to ensure its safety. They also investigate the health effects of unsafe drinking water and work to develop regulations and guidelines to protect public health. This research area plays a crucial role in safeguarding the health and well-being of communities around the world.