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Water Distribution
About the Water Distribution System
The water-distribution system must be capable of supplying water needed for basic domestic purposes, commercial and industrial uses, and fire protection without degrading the quality of water as it flows through the system.

Water Valves
The water distribution system is made up of pipes ranging in diameter from 1.5 inches to 16 inches. There are more than 2,500 valves in the water distribution system. Valves are used to separate pressure zones from each other and to isolate sections of the distribution system during emergencies such as a water main break. Each fire hydrant also has a valve that can be closed when hydrant repairs are required.

Valve-Exercising Program
The Water Department has a valve-exercising program in place that will in time turn every valve in the system. Critical valves have been identified and are exercised at least annually. If a valve is not working properly, it is scheduled for repairs or replacement.

Fire Hydrant Flushing
Fire hydrants serve to help the Fire Department put out fires, maintain water quality in the system, and for use by other City departments to carry out their work. Each year, all 1,250 fire hydrants are flushed. This maintains water quality throughout the distribution system and identifies which fire hydrants may need repairs or replacement, which is promptly scheduled. View the Fire Hydrant Flushing Schedule.