Groundwater Quality of the Houston Area
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Groundwater Quality of the Houston Area Brett Buff May 7, 2009
description
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 - PowerPoint PPT Presentation
Transcript of Groundwater Quality of the Houston Area
Groundwater Quality of the Houston AreaBrett BuffMay 7, 2009
Project Location
Volume of Brackish Groundwater in Houston AreaTDS between 1,000 and 10,000
mg/l85 million acre-feetSlightly saline -1,000 to 3,000
mg/l60 million acre-feetModerately saline – 3,000 to
10,000 mg/l25 million acre-feet
Background+ 7,000 wells analyzedTWDB DatabaseTotal Dissolved SolidsGroundwater ElevationDepth of Groundwater from the
SurfaceRelationship 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
0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000
-800
-600
-400
-200
0
200
400
f(x) = 0.0360464588817408 x − 95.0363143134789R² = 0.0135518517430399
TDS (mg/L)
Ele
va
tio
n (
fee
t)
Depth to GW from Land Surface Elevation vs. TDS Concentration
0 500 1000 1500 2000 2500 3000 3500 4000 4500 50000
100
200
300
400
500
600
700
800
f(x) = − 0.0855478981073329 x + 193.688564479267R² = 0.0892906836622555
TDS (mg/L)
De
pth
fro
m L
SE (
fee
t)
Descriptive Statistics
Any Questions ???
