CBGS - Cat Point Creek, Water Quality Monitoring
Date of Testing: 4/8/2004
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                
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 4/8 10:00 22.0 754 8.64 8.74 7.26 3.99 12.44 -0.2 4.3
Calibrated 8.75 7.00 4.00 12.89 0.0
Post-Cal 4/8 16:10 22.1 754 8.64 8.66 7.02 4.04 12.87 0.0 4.2
Station CP 1                    
Time of Testing: 13:10 Hours Spent Monitoring: 0.75  
Surface State Flow Rate (kt) Weather Water Color Tidal Elevation Tidal Current
Calm 1 Overcast Normal Non-Tidal Non-Tidal
   
Air Temp (ºC) 15.5 Hydrolab Data (Quanta Model)
Water Temp (ºC) 12.5   Surface Benthic
Depth of Water Column (m) 2.6 Temperature 12.5 12.5
Secchi Depth (m) 1.3 D.O. (ppm) 10.78 10.56
Transparency Tube Depth (cm) na pH 5.91 5.88
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) 7 18
pH kit used na  
Salinity (ppt), Refractometer (Sper Scientific #300011) na Nitrates (ppm) (Chemetrics   Vacu-vial, w/ Spec 20D+) 0.27
Fecal Coliform per 100 mL (E.Coli, via Coliscan Easygel) 0 Phosphates (ppm) (Chemetrics Vacu-vial, w/ Spec 20D+) 0.16
 
Station CP 2                    
Time of Testing: 12:30 Hours Spent Monitoring: 0.5  
Surface State Flow Rate (kt) Weather Water Color Tidal Elevation Tidal Current
Calm 0 Overcast Normal Non-Tidal Non-Tidal
   
Air Temp (ºC) 13.0 Hydrolab Data (Quanta Model)
Water Temp (ºC) 12.0   Surface Benthic
Depth of Water Column (m) 2.4 Temperature 11.9 11.9
Secchi Depth (m) 1.0 D.O. (ppm) 10.08 9.82
Transparency Tube Depth (cm) na pH 5.94 5.90
D.O. (ppm), LaMotte, Trial #1 na Depth 0.5 2.4
D.O. (ppm), LaMotte, Trial #2 na Salinity 0.0 0.0
pH, LaMotte na Turbidity (NTU) 12 22
pH kit used na  
Salinity (ppt), Refractometer (Sper Scientific #300011) na Nitrates (ppm) (Chemetrics   Vacu-vial, w/ Spec 20D+) 0.27
Fecal Coliform per 100 mL (E.Coli, via Coliscan Easygel) 0 Phosphates (ppm) (Chemetrics Vacu-vial, w/ Spec 20D+) 0.00
 
Station CP 4                    
Time of Testing: 12:00 Hours Spent Monitoring: 0.5  
Surface State Flow Rate (kt) Weather Water Color Tidal Elevation Tidal Current
Calm 0 Drizzle Normal Low Water Slack b/f Flood
   
Air Temp (ºC) 14.0 Hydrolab Data (Quanta Model)
Water Temp (ºC) 12.0   Surface Benthic
Depth of Water Column (m) 1.1 Temperature 11.9 11.9
Secchi Depth (m) 0.3 D.O. (ppm) 9.88 9.66
Transparency Tube Depth (cm) na pH 6.15 6.06
D.O. (ppm), LaMotte, Trial #1 na Depth 0.1 0.9
D.O. (ppm), LaMotte, Trial #2 na Salinity 0.1 0.1
pH, LaMotte na Turbidity (NTU) 43 67
pH kit used na  
Salinity (ppt), Refractometer (Sper Scientific #300011) na Nitrates (ppm) (Chemetrics   Vacu-vial, w/ Spec 20D+) 0.20
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: 10:45 Hours Spent Monitoring: 2  
Surface State Flow Rate (kt) Weather Water Color Tidal Elevation Tidal Current
Ripple 0 Overcast Normal Low Water Slack b/f Flood
   
Air Temp (ºC) 13.5 Hydrolab Data (Quanta Model)
Water Temp (ºC) 11.0   Surface Benthic
Depth of Water Column (m) 9.0 Temperature 10.9 10.9
Secchi Depth (m) 0.3 D.O. (ppm) 10.48 10.03
Transparency Tube Depth (cm) na pH 6.96 6.95
D.O. (ppm), LaMotte, Trial #1 8.2 Depth 0.4 9.0
D.O. (ppm), LaMotte, Trial #2 9.4 Salinity 0.8 1.0
pH, LaMotte 7.2 Turbidity (NTU) 62 111
pH kit used Phenol Red  
Salinity (ppt), Refractometer (Sper Scientific #300011) 2 Nitrates (ppm) (Chemetrics   Vacu-vial, w/ Spec 20D+) 0.18
Fecal Coliform per 100 mL (E.Coli, via Coliscan Easygel) 0 Phosphates (ppm) (Chemetrics Vacu-vial, w/ Spec 20D+) 0.04