DGSI Slope Indicator
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Standpipe Piezometers


Standpipe filter tips

Standpipe piezometers are used to monitor piezometric water levels. Water level readings are typically obtained with a water level indicator. Typical applications include:

  • Monitoring pore-water pressure to determine slope stability.
  • Monitoring seepage and ground water movement.


The standpipe piezometer, which consists of a filter tip and a riser pipe, is installed in a borehole. The zone around the filter tip is backfilled with sand and a bentonite seal is place above that to isolate the intake zone. The remainder of the borehole is backfilled with bentonite-cement grout. Pore water flows into the standpipe until a pressure equilibrium is reached. The water level in the pipe then represents the pore-water pressure in the soil around the intake zone. Readings are taken with a water level indicator.


  • Economical components.
  • Simple to read.
  • Very good long-term reliability.

For more information

Please download the Standpipe Piezometer and Water Level Indicator datasheet.
If your Water Level Indicator has seen a lot of use, you may be interested in our replacement parts page.


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