Which of the following is a primary concern of primary drinking water standards?

The primary concern of primary drinking water standards is to protect public health by reducing the risks associated with contaminants found in drinking water. These standards are established to ensure that water is safe to drink and does not pose any health hazards to consumers. Contaminants can lead to serious health issues if present at unsafe levels, and these standards are designed to identify and limit those risks effectively.

While other aspects like taste, odor, seasonal water levels, and treatment costs are important considerations in water management, they do not primarily focus on the essentials of protecting health. These latter concerns may improve water acceptability or operational efficiency but are secondary to the fundamental aim of ensuring that drinking water is safe for human consumption. Thus, safeguarding public health through the regulation of harmful contaminants is the main priority of primary drinking water standards.