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 Moderately saline – 3,000 to 10,000 mg/l 25 million acre-feet
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
TDS (mg/L) of Wells
Depth to Groundwater Trend Analysis
Elevation of Groundwater Trend Analysis
Depth to Groundwater
Elevation of Groundwater
Total Dissolved Solids of Groundwater
GW Elevation vs. TDS Concentration
Depth to GW from Land Surface Elevation vs. TDS Concentration
Descriptive Statistics
Any Questions ???