Numbered Report 239 | Texas Water Development Board

Report 239 by William B. Klemt, Tommy R. Knowles, Glenward R. Elder and Thomas W. Sieh | October 1979

  • Report 239 - Ground-Water Resources and Model Applications for the Edwards (Balcones Fault Zone) Aquifer in the San Antonio Region (pdf - 2.31MB)
  • Figure 2 (pdf - 2.52MB) - Location of Selected Precipitation and Stream-Gaging Stations in the San Antonio Region
  • Figure 3 (part A) (pdf - 3.37MB) - Approximate Depth to and Altitude of the Top of the Edwards (Balcones Fault Zone) Aquifer
  • Figure 3 (part B) (pdf - 2.37MB) - Approximate Depth to and Altitude of the Top of the Edwards (Balcones Fault Zone) Aquifer
  • Figure 4 (pdf - 0.95MB) - Generalized Geologic Map of the San Antonio Region
  • Figure 5 (pdf - 2.51MB) - Geohydrologic Section A-A'
  • Figure 6 (pdf - 2.56MB) - Geohydrologic Section B-B'
  • Figure 7 (pdf - 2.15MB) - Geohydrologic Section C-C'
  • Figure 8 (pdf - 2.20MB) - Geohydrologic Section D-D'
  • Figure 9 (part A) (pdf - 3.29MB) - Approximate Depth to and Altitude of Water Levels in the Edwards (Balcones Fault Zone) Aquifer, January 1947
  • Figure 9 (part B) (pdf - 2.16MB) - Approximate Depth to and Altitude of Water Levels in the Edwards (Balcones Fault Zone) Aquifer, January 1947
  • Figure 10 (part A) (pdf - 3.17MB) - Approximate Depth to and Altitude of Water Levels in the Edwards (Balcones Fault Zone) Aquifer, January 1972
  • Figure 10 (part B) (pdf - 2.13MB) - Approximate Depth to and Altitude of Water Levels in the Edwards (Balcones Fault Zone) Aquifer, January 1972
  • Figure 12 (pdf - 1.94MB) - Historical Recharge and Discharge for the Edwards (Balcones Fault Zone) Aquifer, 1934-71
  • Figure 13 (part A) (pdf - 3.15MB) - Approximate Transmissibility of the Edwards (Balcones Fault Zone) Aquifer
  • Figure 13 (part B) (pdf - 2.24MB) - Approximate Transmissibility of the Edwards (Balcones Fault Zone) Aquifer
  • Figure 16 (part A) (pdf - 4.11MB) - Cell Map Used for the Digital Computer Model of the Edwards (Balcones Fault Zone) Aquifer
  • Figure 16 (part B) (pdf - 3.19MB) - Cell Map Used for the Digital Computer Model of the Edwards (Balcones Fault Zone) Aquifer
  • Figure 19 (part A) (pdf - 3.16MB) - Simulated Net Change in Water Levels in the Edwards (Balcones Fault Zone) Aquifer, 1972-2020
  • Figure 19 (part B) (pdf - 2.29MB) - Simulated Net Change in Water Levels in the Edwards (Balcones Fault Zone) Aquifer, 1972-2020
  • Figure 20 (pdf - 2.50MB) - Selected Results from Simulation Run One
  • Figure 21 (pdf - 2.51MB) - Selected Results from Simulation Run Two
  • Figure 22 (pdf - 2.42MB) - Selected Results from Simulation Run Three
  • Figure 23 (pdf - 2.36MB) - Selected Results from Simulation Run Four
  • Figure 24 (pdf - 2.38MB) - Selected Results from Simulation Run Five
  • Figure 25 (pdf - 2.39MB) - Selected Results from Simulation Run Nine
  • Figure 26 (pdf - 2.40MB) - Selected Results from Simulation Run Ten
  • Figure 27 (pdf - 2.38MB) - Selected Results from Simulation Run Twelve
  • Figure 28 (pdf - 2.42MB) - Selected Results from Simulation Run Fifteen
  • Figure 29 (pdf - 2.41MB) - Selected Results from Simulation Run Seventeen
  • Figure 30 (pdf - 2.40MB) - Selected Results from Simulation Run Twenty
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