Portland Community College | Portland, Oregon Portland Community College

2000 Water Quality Data

04/07/2000

Location pH Dissolved Oxygen Concentration Temp Dissolved Oxygen % Specific Conductivity Salinity Total Dissolved Solids Oxygen Reduction Potential Notes
ppm °C % uS/cm ppt ppm mV
Pond 185th South 6.6 13.24 12.5 123.2 203 .09 128 237 Sunny day
Pond 185th North 6.7 13.90 11.9 129.1 197 .09 126 253
Spur at 185th 6.6 8.45 8.86 73.1 116 .05 71 246
Mainstem at 185th 6.9 11.12 8.74 95.7 112 .04 72 232
Photopoint #10 Marsh 6.4 2.98 8.74 25.3 123 .057 80 170
Below Xing 6.8 10.62 9.8 93.8 116 .05 74 231
At Xing 6.7 13.52 11.58 125 120 .05 77 238
Above Xing 6.8 10.45 9.77 92.2 115 .05 74 244

05/19/2000

Location pH Dissolved Oxygen Concentration Temp Dissolved Oxygen % Specific Conductivity Salinity Total Dissolved Solids Oxygen Reduction Potential Notes
ppm °C % uS/cm ppt ppm mV
Pond 185th South 6.6 6.7 18.48 71.4 182 .08 117 213 Overcast
Pond 185th North 6.8 8.8 17.85 86.2 176 .08 112 250
Spur at 185th 6.8 10.24 15.10 101.8 151 .07 97 263 algae
Photopoint #5 at Spur 6.3 1.77 12.44 16.9 172 .08 111 125
Mainstem at 185th 6.9 10.14 13.68 97.8 138 .06 88 262
Below Xing 6.6 6.61 13.74 64.1 147 .06 94 241 Grass not as tall
At Xing 6.7 8.58 13.71 80.2 148 .06 95 231 Benthic algae bloom
Above Xing 6.6 5.5 13.58 52.9 147 .06 94 236
Frog Pond 6.3 2.73 12.10 22.9 182 .08 90 191