What is one common method for improving water quality in distribution systems?

Employing advanced filtration techniques is a widely recognized method for improving water quality in distribution systems. Filtration processes can effectively remove contaminants, including sediment, bacteria, and suspended particles, from the water supply. This ensures that the water delivered to consumers meets safety and quality standards, as well as enhances the overall palatability of the water.

Advanced filtration systems, such as membrane filtration, activated carbon filters, and microfiltration, are particularly effective at targeting specific contaminants that may not be adequately addressed by traditional chlorine disinfection alone. By utilizing these methodologies, water utilities can significantly enhance the safety and quality of water being distributed to homes and businesses.

Other options may not directly lead to improvements in water quality. For instance, reducing chlorine levels without considering the potential increase in pathogens may compromise safety. Using only natural sources does not guarantee high-quality water, as these sources may be subject to pollution. Increasing water pressure may enhance flow but doesn't necessarily contribute to the quality of the water itself. Hence, advanced filtration stands out as a practical and effective approach to achieving better water quality.