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- Water Pressure & Water Storage
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The City’s water distribution system consists of two zones; Zone 1 and Zone 2. Each zone operates at a different hydraulic gradient to provide adequate pressure for customers. Water for Zone 1 is supplied by the high service pumps at the Water Treatment Facility. The high service pumps convey water into the various distribution and transmission pipe lines and provide water to one (1) ground storage reservoir and three (3) elevated storage tanks. Water for Zone 2 is supplied by a single booster station and one (1) elevated tank.
These high service pumps convey water to the various distribution and transmission pipe lines and provide water to the ground storage reservoir at Calvary Hill and three elevated storage tanks known as West, South and Southeast.
Zone 1 is the largest pressure zone in the City and has a service area of approximately 22 square miles.
Ground elevations in zone 1 range from 960 to 1,090 feet.
The current hydraulic gradient for zone 1 is 1,184 feet as dictated by the maximum water surface elevations in the zone 1 ground storage reservoir at Calvary Hill and the West, South and Southeast water towers.
The booster pumps at Calvary Hill convey water to the various distribution and transmission pipe lines in Zone 2 and provide water to an elevated storage tank.
Zone 2 has a service area of approximately 8 square miles. Ground elevations in Zone 2 range from 1,020 to 1,130 feet.
The current hydraulic gradient for Zone 2 is 1,250 feet as dictated by the maximum water surface elevation in the Calvary Hill Elevated water tower.