Water Hydrant Flushing Zone
Hydrant flushing is done annually (except in periods of drought) to maintain a high level of water quality throughout the City's water distribution system. Flushing the system removes old dechlorinated water and replaces it with fresh water as well as dislodging any potential mineral deposits or sediment that build up over time. The program also allows Public Works to identify potential problems in the storm drain system as the water is routed into the storm drain system.This data was initially input into GIS by the City of Vacaville Utilities Department Engineering Division in August 2017, based on a map of hydrant zones prepared by Albert Enault in AutoCAD in 2009.
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