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Monitoring equipment and sensors

What is a weir or flume?

Published January 29, 2026
A

What is a weir or flume?

A weir or flume is a hydraulic structure installed in open-channel flow that creates a known relationship between water level and flow rate, allowing indirect flow measurement.

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How can I see more summary data from the monitoring locations?
Published January 23, 2026

How can I see more summary data from the monitoring locations?

Click on the location name on the Data Summary Report . A new screen will open showing minimums, maximums, averages and flow […]

What is the strategy if the monitor location is surcharged?
Published January 23, 2026

What is the strategy if the monitor location is surcharged?

Gravity sewers typically need to have flow depths less than full pipe for sensors to be properly installed, maintained, or removed. However, […]

Which sensor technology is best for infiltration and inflow (I/I) monitoring?
Published January 23, 2026

Which sensor technology is best for infiltration and inflow (I/I) monitoring?

The nature of the hydraulic conditions at a given location are the primary driver of the technology selected with the purpose of […]

What is closed-channel (pressurized) flow?
Published January 29, 2026

What is closed-channel (pressurized) flow?

Closed-channel flow occurs when a pipe runs full under pressure, such as in a force main or pressurized water line, where flow […]

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