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GCD Viewer

This interactive, online map allows users to obtain spatial information about Priority Groundwater Management Areas (PGMAs) and Groundwater Conservation Districts (GCDs).

  • User Guide - This downloadable PDF document explains how to use the tools available in the viewer.
  • Metadata - For more details about this information and the viewer, please visit the Groundwater Planning and Assessment Team webpage in ArcGIS Online.
  • Access and Use Constraints - This product is for informational purposes and may not have been prepared for or be suitable for legal, engineering, or surveying purposes. It does not represent an on-the-ground survey and represents only the approximate relative location of property boundaries. Presently, all GIS related applications have a statewide exemption from 1 TAC 213 granted by the Department of Information Resources . If you require special assistance, please consult the Esri Software - Voluntary Product Accessibility Templates (VPATs) for ArcGIS Online applications.
  • Contact Us - Email the Water Availability Division at or talk with staff in the program at 512-239-4600.