More tutorials
Training videos for general EIM use.

EIM Tools for Groundwater Professionals. Includes ArcGIS and R.
About GWDC
The Groundwater Data Center (GWDC) is part of Ecology's EIM system. It contains data collected by Ecology and affiliates.

  Search by

  Well details

  Well location

  Field collection


  Study or site


Wells 50 feet or deeper in Clark County

Wells at South Tacoma Field

Data collected between 1991 and 2011

Nitrate in wells

Wells at Acme Chemical site

Tutorial* - How to search Video   Slides 
By form or by map; make a chart or hydrograph     
Using data entry templates
  • Well construction and location info
  • Discrete water levels
  • Transducer water
  • Groundwater quality
Tutorials* - How to load Video   Slides  Example
Discrete water levels
Transducer (time-series) data (videos 6 & 8)    
*Some EIM field names changed after we made these tutorials, but the basic guidance is still applicable.

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