Rock Creek Environmental Studies Center

2004 Bronson Creek water quality data

Bronson Creek

05/12/2004 HydroLab

Bronson Creek Location pH Dissolved Oxygen Concentration (ppm) Temp. (°C) Dissolved Oxygen (%) Specific Conductivity (uS/cm) Salinity (ppt) Total Dissolved Solids (ppm) Oxygen Reduction Potential (mV) Turbidity
Storm Water Ret. Pond 7.58 7.89 14.71 78.1 250 .12 160 234 9.5
Wetland Outlet 7.36 4.95 14.80 49.4 207 .10 133 125 5.3
Below Footbridge 9.46 10.63 13.18 101.5 210 .10 134 227 7.13
Wooded Area 7.28 9.59 12.12 89.5 211 .10 134 286 8.11

05/12/2004 LaMotte Kit

Bronson Creek Location pH Dissolved Oxygen Concentration (ppm) Carbon Dioxide Concentration (ppm) Silicon Dioxide Concentration (ppm) Hardness (ppm) Nitrate Phosphate
Storm Water Ret. Pond 6.9 7.0 16 30 100 .88 < .2
Wetland Outlet 6.8 3.0 4 19 96 < .2 < .2
Below Footbridge 7.5 13.0 5.1 9 65 < .2 < .2
Wooded Area 6.9 9.0 40 10 30 < .2 < .2

10/26/2004 HydroLab

Bronson Creek Location pH Dissolved Oxygen Concentration (ppm) Temp. (°C) Dissolved Oxygen (%) Specific Conductivity (uS/cm) Salinity (ppt) Total Dissolved Solids (ppm) Oxygen Reduction Potential (mV) Turbidity
Storm Water Ret. Pond 8.43 7.99 11.03 72.9 43 .01 28 317 3.56
Wetland Outlet 7.89 5.43 10.10 49.4 65 .02 42 243 5.82
Below Footbridge 7.38 7.84 10.10 68.8 146 .06 94 240 10.30
Wooded Area 7.46 7.85 10.03 70.4 148 .02 95 254 11.00

10/26/2004 LaMotte Kit

Bronson Creek Location pH Dissolved Oxygen Concentration (ppm) Carbon Dioxide Concentration (ppm) Silicon Dioxide Concentration (ppm) Hardness (ppm) Nitrate Phosphate
Storm Water Ret. Pond 7.0 7.8 9 8.0 50.8 < .2 < .2
Wetland Outlet 6.5 4.62 20 5.0 33.0 < .2 < .2
Below Footbridge 6.7 7.3 8 16.0 75.0 < .2 < .2
Wooded Area 6.5 7.2 19 18.0 140.0 < .2 < .2