Which of the following defines large water systems?

• A. Systems serving over 2,500 people
• B. Systems serving over 5,000 people
• C. Systems serving over 10,000 people
• D. Systems serving over 15,000 people

Answer: (C)

Large water systems are defined as those that serve a large population, which affects the infrastructure and regulatory requirements necessary for safe drinking water delivery. In this context, the correct definition is that large water systems are those that serve over 10,000 people. This distinction is important because larger systems typically face more complex challenges, require additional testing and monitoring, and must adhere to stricter regulations established by agencies like the Environmental Protection Agency (EPA).

The classification of large water systems has implications for funding, maintenance, and public health initiatives, as these systems must manage higher demand and distribution networks, which can introduce potential risks if not properly maintained. Understanding this definition helps environmental health specialists assess water quality and system management effectively, ensuring compliance with public health standards.