This GIS map layer represents the geographical boundaries designated asPriority Groundwater Management Areas (PGMA) theTexas Commission on Environmental Quality(TCEQ), The polygon features shown here represent designated Priority Groundwater Management Areas( PGMA) evaluated from 1990 to 2016. The PGMA delineation boundary and purposes are described in the Texas Water Code (TWC), §35.007as areas identified critical groundwater problems within the immediately following 50-year periodcritical groundwater problems including: - Shortages of surface water or groundwater;- Land subsidence resulting from groundwater withdrawal;- Contamination of groundwater supplies, The Texas Commission on Environmental Quality PGMA Program encourages the creation of groundwater conservation districts for those designed areas. For practical information about the PGMA studies and updates, please see the TCEQ website. Disclaimer: This product is for informational purposes only and may not be suitable for legal, engineering, or surveying purposes. It does not represent an official survey and represents only the approximate relative location of features and boundaries. Mapping may not necessarily reflect on-the-ground conditions. This product and those involved in its production make no claims as to the accuracy or reliability of the data, and neither assumes, nor will accept liability for their use.