Unidirectional Flushing

  • A Complete Picture Faster
  • Extension of Your Team
  • Make Confident Data-Driven Decisions

Improve Service Delivery, Prolong System Life

UDF is a long-term preventative program that drastically reduces the amount of customer water quality
complaints. The program consists of an engineered workflow designed to systematically close system valves and open hydrants to obtain a one way, high-velocity flow to flush debris and dirty/discolored water from the system.

A water hydrant venting during Uni-directional Flushing.
Program Benefits:
  • A dramatic improvement in biofilm and sediment removal.
  • Long-term water quality improvement.
  • Diminishes potential for waterborne disease outbreaks.
  • Customer complaints significantly reduced.
  • Reduces pumping costs.
  • Discovers problems, e.g., partially closed valves.
  • Uses 40-60% less water than conventional flushing.
  • Leverages hydraulic model/GIS investment.
  • Prolongs system life.
Brochures:

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