What turbidity standards does the EPA set for drinking water?

The Environmental Protection Agency (EPA) establishes specific turbidity standards for drinking water to ensure safe and clean drinking water. The correct answer reflects these standards, which are designed to protect public health. For direct filtration systems, the EPA allows a turbidity level of 1 NTU (Nephelometric Turbidity Units), while for conventional filtration processes, the standard is set at 0.3 NTU. These levels are significant because turbidity can indicate the presence of pathogens and other harmful substances in water. By maintaining turbidity below these thresholds, the standards help ensure that filtration systems effectively remove contaminants, contributing to the overall safety and quality of drinking water.