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Multilevel ZIST Monitoring System (Patent Pending)

Click here to see how our monitoring system works.

Multi Level Level ZIST Groundwater Monitoring Systems With Pumps and / or Diffusion Bags



BESST Multilevel have proven to be extremely versatile monitoring systems for the environmental industry and also for the geotechnical, nuclear and clean water markets.

The versatility of the system stems from the fact that purging and sampling of groundwater monitoring wells is restricted to the well screen only.

Multilevel groundwater monitoring system with ZIST Pump
ZIST: Zone Isolation Sampling Technologies

ZIST Features:

  • Isolate Well Screen During Purging and Sampling.
  • Eliminate Drawdown Monitoring.
  • Groundwater Removal to the Well Screen Zone Only.
  • Significantly Reduce Purging and Sampling Time and
    Cost throughout the Life of the Project.
  • No Bailing.
  • Simultaneously Purge Nested and Clustered Well Systems.
  • Simultaneously Obtain Water Level Data from All Zones
    within A Nest or Cluster.
  • Compatible with Other Devices: ZIST Pumps Can Be
    integrated with Sensors, and Removed at Any Time.
  • Easy to Maintain: O-Ring around ZIST Tubular Docking
    weight Can Be Replaced at Any Time.

  • ZIST Can Be Easily Integrated into 3/4-Inch, 1-Inch, 2-
    inch, 4-Inch and Any Other Well Diameter.
About ZIST Systems:( Click here )


How ZIST system Works

See Photo Gallery For ZIST Multilevel Systems:
filter pack multilevel monitoring wells multilevel

For Barcad Systems:
Multilevel groundwater monitoring system with Barcad Pump