Course: BFM 203 Water Treatment and Control

Lecture

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Introduction to Water Distribution Systems

A water distribution system consists of a network of pipes, valves, fire hydrants, service lines, meters, pumping stations, and storage tanks. The system delivers water to homes, businesses, and industries for drinking water, fire protection, and other uses. Proper design and installation of distribution system components reduces the occurrence of system leaks and failures in the future.

The network of pipes, pumping stations, and storage reservoirs must have sufficient capacity to meet maximum water demands plus fire-fighting requirements and still maintain adequate pressure throughout the distribution system. The distribution system should be free of cross-connections with unapproved water supplies that could allow contamination to be introduced into the system.

Storage tanks such as the one in Westminster, Colorado, shown in the photo to the right, are part of the distribution system and should be included in sampling, inspection, and maintenance programs.