CBGS - Cat Point Creek, Water Quality Monitoring
Date of Testing: 4/23/2004
Rainfall (mm)                  During Past Week >>> Past 7 days Day of testing 1 day prior 2 days prior 3 days prior 4 days prior 5 days prior 6 days prior 7 days prior
na 0 0 na na na na na na
Hydrolab Calibration (Metadata)
  Date Time Room Temp (ºC)  BP  (mm Hg) Theor Sat D.O. D.O. pH "zero" (7.0) ph "slope" (4 or 10) SpC (ms) Depth Batt Volt
Pre-Cal 4/23 1130 22.6 763 8.63 8.56 7.02 3.94 13.69 0.1 4.2
Calibrated 8.66 7.00 4.00 12.89 0.0
Post-Cal 4/23 1615 22.9 762 8.58 8.72 6.92 3.93 12.99 0.0 4.2
Station CP 1                    
Time of Testing: 14:30 Hours Spent Monitoring: 0.5  
Surface State Flow Rate (kt) Weather Water Color Tidal Elevation Tidal Current
Calm 1 Sunny Normal Non-Tidal Non-Tidal
   
Air Temp (ºC) 28.5 Hydrolab Data (Quanta Model)
Water Temp (ºC) 25.2   Surface Benthic
Depth of Water Column (m) 2.5 Temperature 25.2 25.1
Secchi Depth (m) 1.1 D.O. (ppm) 8.55 8.31
Transparency Tube Depth (cm) na pH 5.67 5.69
D.O. (ppm), LaMotte, Trial #1 na Depth 0.2 2.5
D.O. (ppm), LaMotte, Trial #2 na Salinity 0.0 0.0
pH, LaMotte na Turbidity (NTU) 6 12
pH kit used na  
Salinity (ppt), Refractometer (Sper Scientific #300011) na Nitrates (ppm) (Chemetrics   Vacu-vial, w/ Spec 20D+) 0.10
Fecal Coliform per 100 mL (E.Coli, via Coliscan Easygel) 25 Phosphates (ppm) (Chemetrics Vacu-vial, w/ Spec 20D+) 0.19
 
Station CP 2                    
Time of Testing: 14:00 Hours Spent Monitoring: 0.5  
Surface State Flow Rate (kt) Weather Water Color Tidal Elevation Tidal Current
Calm 1 Sunny Normal Non-Tidal Non-Tidal
   
Air Temp (ºC) 29.0 Hydrolab Data (Quanta Model)
Water Temp (ºC) 23.0   Surface Benthic
Depth of Water Column (m) 2.3 Temperature 23.0 23.1
Secchi Depth (m) 0.5 D.O. (ppm) 7.91 7.66
Transparency Tube Depth (cm) na pH 5.80 5.70
D.O. (ppm), LaMotte, Trial #1 na Depth 0.3 2.3
D.O. (ppm), LaMotte, Trial #2 na Salinity 0.0 0.0
pH, LaMotte na Turbidity (NTU) 17 18
pH kit used na  
Salinity (ppt), Refractometer (Sper Scientific #300011) na Nitrates (ppm) (Chemetrics   Vacu-vial, w/ Spec 20D+) 0.10
Fecal Coliform per 100 mL (E.Coli, via Coliscan Easygel) 75 Phosphates (ppm) (Chemetrics Vacu-vial, w/ Spec 20D+) 0.09
 
Station CP 4                    
Time of Testing: 1330 Hours Spent Monitoring: 0.5  
Surface State Flow Rate (kt) Weather Water Color Tidal Elevation Tidal Current
Ripple 0 Sunny Normal Low Water Slack b/f Flood
   
Air Temp (ºC) 31.0 Hydrolab Data (Quanta Model)
Water Temp (ºC) 24.0   Surface Benthic
Depth of Water Column (m) 0.7 Temperature 24.2 23.2
Secchi Depth (m) 0.4 D.O. (ppm) 7.23 6.93
Transparency Tube Depth (cm) na pH 5.99 5.90
D.O. (ppm), LaMotte, Trial #1 na Depth 0.3 0.7
D.O. (ppm), LaMotte, Trial #2 na Salinity 0.1 0.1
pH, LaMotte na Turbidity (NTU) 34 38
pH kit used na  
Salinity (ppt), Refractometer (Sper Scientific #300011) na Nitrates (ppm) (Chemetrics   Vacu-vial, w/ Spec 20D+) 0.12
Fecal Coliform per 100 mL (E.Coli, via Coliscan Easygel) 50 Phosphates (ppm) (Chemetrics Vacu-vial, w/ Spec 20D+) 0.00
 
Station CP 8                    
Time of Testing: 1215 Hours Spent Monitoring: 2  
Surface State Flow Rate (kt) Weather Water Color Tidal Elevation Tidal Current
Ripple 0 Sunny Normal Low Water Slack b/f Flood
   
Air Temp (ºC) 24.5 Hydrolab Data (Quanta Model)
Water Temp (ºC) 22.5   Surface Benthic
Depth of Water Column (m) 8.1 Temperature 21.0 20.3
Secchi Depth (m) 0.4 D.O. (ppm) 9.12 8.63
Transparency Tube Depth (cm) na pH 6.80 6.73
D.O. (ppm), LaMotte, Trial #1 8.2 Depth 0.5 8.1
D.O. (ppm), LaMotte, Trial #2 8.6 Salinity 0.1 0.1
pH, LaMotte 7.2 Turbidity (NTU) 45 62
pH kit used Phenol Red  
Salinity (ppt), Refractometer (Sper Scientific #300011) 1 Nitrates (ppm) (Chemetrics   Vacu-vial, w/ Spec 20D+) 0.00
Fecal Coliform per 100 mL (E.Coli, via Coliscan Easygel) na Phosphates (ppm) (Chemetrics Vacu-vial, w/ Spec 20D+) 0.00