GWWI Water Distribution Practice Test 2025 – Complete Exam Prep

Question: 1 / 400

What does a service line connect in a water distribution system?

The water treatment plant to the reservoir

The water main to a customer's premises

A service line plays a crucial role in a water distribution system as it is tasked with connecting the water main directly to a customer's premises. This connection facilitates the delivery of potable water for use in residential, commercial, or industrial applications. The service line typically extends from the water main, which is responsible for transporting water throughout the distribution system, to the meter or entry point at the property line of the customer.

By serving this specific function, the service line ensures that individual consumers have a reliable supply of water from the larger distribution network. It is essential for maintaining the flow and pressure necessary for effective water delivery. In contrast, other options may involve different components or relationships within the overall water distribution system but do not accurately describe the purpose of a service line.

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Two main water supply lines

The distribution network to the treatment facility

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