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Groundwater Quality of the Houston Area

Groundwater Quality of the Houston Area. Brett Buff May 7, 2009. Project Location. Volume of Brackish Groundwater in Houston Area. TDS between 1,000 and 10,000 mg/l 85 million acre-feet Slightly saline -1,000 to 3,000 mg/ l 60 million acre-feet

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Groundwater Quality of the Houston Area

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  1. Groundwater Quality of the Houston Area Brett Buff May 7, 2009

  2. Project Location

  3. Volume of Brackish Groundwater in Houston Area • TDS between 1,000 and 10,000 mg/l • 85 million acre-feet • Slightly saline -1,000 to 3,000 mg/l • 60 million acre-feet • Moderately saline – 3,000 to 10,000 mg/l • 25 million acre-feet

  4. Background • + 7,000 wells analyzed • TWDB Database • Total Dissolved Solids • Groundwater Elevation • Depth of Groundwater from the Surface • Relationship between Groundwater Quality vs. Depth From Surface and Elevation of Groundwater Table

  5. TDS (mg/L) of Wells

  6. Depth to Groundwater Trend Analysis

  7. Elevation of Groundwater Trend Analysis

  8. Depth to Groundwater

  9. Elevation of Groundwater

  10. Total Dissolved Solids of Groundwater

  11. GW Elevation vs. TDS Concentration

  12. Depth to GW from Land Surface Elevation vs. TDS Concentration

  13. Descriptive Statistics

  14. Any Questions ???

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