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EPA's Region 6 Office

Serving: Arkansas, Louisiana, New Mexico, Oklahoma, Texas, and 66 Tribal Nations

The Ground Water Center: Activities


Areas of Technical Assistance & Expertise

In its capacity as a consultant, the Ground Water Center includes a broad range of technical disciplines. Areas of expertise and examples of technical assistance include:

Aquifer and site characterization for water supply and water use issues
  • Evaluated cone penetrometer information at a Superfund site.
  • Evaluated the potential for mine waste tailings to impact surface water quality through ground water.
  • Determined surface water quality degradation caused by ground water pathway at new Mexico mine site.
Source Water Vulnerability Assessment site-specific vulnerability assessments
  • Conducted Region-wide ground and surface water vulnerability assessment
    using GIS.
  • Provided on-site technical assistance to New Mexico Tribe.
  • Assisted one State in determining priority watersheds through the delineation of source water assessment areas.
  • Provided on-site technical assistance to New Mexico Tribe.
Ground Water Modeling
  • Contaminant fate and transport
  • Delineation of the zone of contribution for water supply wells.
  • Determination of the zone of endangering influence for injection wells.
Assessment of management controls for contaminant sources
  • Evaluated ground water degradation due to lagoons and land application of CAFO waste.
On-site assistance/ground truthing Global Positioning System (GPS, contaminant inventory, monitoring system, other)
  • Used GPS to identify well locations for domestic wells in area of potential contamination.
Monitoring plan development
Technical training (software and other)
  • Provide basic ground water treating course for Region 6 States and Tribes
Conduct hydrologic assessments to support monitoring flexibility under the Safe Drinking Water Act (SDWA)
Technical assistance to states, tribes and others related to Comprehensive Ground Water Protection Programs (CGWPP)
  • Developed guidance document to assist tribes.
Other areas of assistance identified by state, tribe, and local customers
  • Investigated citizen complaint alleging CO2 ground water contamination resulting
    from oil and gas injection operation.
  • Provides technical input for the EPA National GW Report to Congress

The above listing of potential technical assistance services is not intended to be comprehensive in nature.


U.S. Environmental Protection Agency
Ground Water Center/Region 6
1445 Ross Avenue, 6WQ-SG
Dallas, Texas 75202
Phone: (214) 665-7150
Fax: (214) 665-2191

Drinking Water       Ground Water      Underground Injection Control

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