Report 348 by Radu Boghici, assisted by Doug Coker and Marcelo Guevara | November 1999

• Report 348 - Changes in Groundwater Conditions in Parts of Trans-Pecos, Texas, 1988 - 1998 (pdf - 1.52MB)
• Figure 1 - Location of Study Area
• Figure 2 - Potentiometric Surface Map, 1998
• Figure 3 - Approximate Water-Level Change from 1989 to 1998
• Figure 4 - Hydrographs for Selected Wells
• Figure 5 - Stiff Diagrams for Selected Groundwater Samples
• Figure 6 - Sulfate and Chloride Concentrations in Groundwater, 1995
• Figure 7 - Nitrate Concentrations in Groundwater, 1995
• Figure 8 - SAR-Conductivity Plot of Cenozoic Pecos Alluvium Groundwaters
• Figure 9 - Changes in TDS Concentrations in Groundwater, 1989 to 1995
• Figure 10 - Flow and Conductivity Measurements in Pecos River