What is the primary focus of compliance sampling?

The primary focus of compliance sampling is to ensure safety at the point of entry or use. This involves testing water to confirm it adheres to established safety standards and regulations, ensuring that it is safe for consumption and that it does not pose health risks to the public. Compliance sampling is a vital part of water treatment and distribution processes, as it ensures that the water reaching consumers meets minimum safety thresholds for various contaminants.

While monitoring chemical levels in private systems is important, it does not capture the broader regulatory context of compliance sampling, which centers on public health and safety. Assessing water quality before distribution also plays a significant role, but compliance sampling emphasizes the condition of the water at the point where it is delivered for use, as this is where any potential contaminants could directly affect consumers. Evaluating the economic feasibility of water supplies is not within the scope of compliance sampling; rather, it focuses on the health and safety compliance of water sources and distribution systems. Thus, the focus on safety at the point of entry or use makes this the correct choice.