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Contact Us

EPA's Region 6 Office

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


Technical Assistance:

The Multimedia Planning and Permitting Division is available to provide technical assistance in the areas of hydrogeology, groundwater contamination, conceptual models, computer modeling, and training.

Mission Statement:

    Our goal is to work in partnership with State and Tribal governments in order to develop outstanding products, evaluations, and investigations based on the principles of sound science and quality assurance, which are consistent with State, Tribal, and EPA priorities.

For further information contact Scott Ellinger at 214-665-8408, or e-mail at Ellinger.Scott@EPA.Gov

You will need Adobe Acrobat Reader for most links on this page. To get the free reader, go to Adobe.com

Ground Water Information:

  1. Shumaker Naval Ammunition Depot Investigation
    1. - Project overview (PDF, 1 pg, 105k)

      - Draft Project Maps:

        - Metals Concentrations Deep Monitoring Wells (PDF, 1pg, 249k)
        - Metals Concentrations Shallow Monitoring Wells (PDF, 1pg, 249k)
        - Surface Water Sampling Map (PDF, 1pg, 299k)
        - Groundwater Perchlorate Concentrations (PDF, 1pg, 248k)
        - Groundwater Flow Directions Alluvial Aquifer (PDF, 1pg, 243k)
        - Groundwater Flow Direction Sparta Aquifer (PDF, 1pg, 257k)

      - 2008 Groundwater and Surface Water Sampling Program

        Trip Report (PDF, 12pp, 77k)
        Tables (PDF, 54pp, 427k)
        Figures (PDF, 3pp, 497k)
        • Appendices:
            A Shumaker Photos (PDF 58pp, 6,995K)
            B Shumaker Log Books (PDF 42pp, 10,672K)
            C Groundwater Monitoring Well Data Sheets (PDF 21pp, 450K)
            D Chain-of-Custody Forms (PDF 28pp, 22,858K)
  2. Links to regional groundwater data sources: Exit EPA
    1. - USGS Activity in Texas
      - USGS Programs in Arkansas
      - Texas Water Development Board
      - Oklahoma Geological Survey
      - Louisiana Geological Survey
      - New Mexico Bureau of Geology and Mineral Resources

  3. Altus Air Force Base Statement of Basis (PDF, 24pp, 677K)

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