Flow Measurement and Monitoring

Flow Measurement & Monitoring

Flow monitoring supports compliance, drainage studies, sewer and stormwater investigations, treatment performance, and long-term operations.

Common methods

  • Area-velocity meters for open channels and partially full pipes.
  • Ultrasonic or magnetic meters for closed-pipe systems.
  • Flumes and weirs where flow control can be installed and maintained.
  • Temporary monitoring using portable sensors, loggers, and rain gauges.

Selection questions

  1. Is the flow in a closed pipe, open channel, outfall, flume, or manhole?
  2. Is the goal spot measurement, event monitoring, billing, compliance, or long-term operations?
  3. Will the site need power, telemetry, confined-space access, or weather protection?

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