Variable G1 G2 G3 G4 T1 H1
Average Stdev Average Stdev Average Stdev Average Stdev Average Stdev Average Stdev
pH 7.41 0.16 7.47 0.07 7.57 0.12 7.59 0.13 7.54 0.13 7.61 0.22
EC 296.88 82.82 305.24 75.38 323.72 89.51 342.86 84.59 699.67 110.54 886.44 182.28
TDS 198.91 55.49 204.51 50.51 216.89 59.97 229.71 56.68 468.78 74.06 593.92 122.13
IC 23.11 9.98 23.16 9.25 25.16 11.61 26.34 10.07 50.85 19.02 49.39 19.72
TOC 17.88 14.01 18.36 15.05 18.91 12.39 20.04 17.97 29.49 22.98 37.00 28.09
Cl- 10.04 2.76 9.98 2.37 10.83 2.60 14.89 4.85 30.72 14.40 15.45 4.78
TN 1.17 0.63 1.10 0.67 1.05 1.18 0.62 0.44 10.10 7.82 1.53 0.57
NO3-N 1.10 0.62 1.02 0.70 0.87 1.19 0.54 0.46 1.80 0.99 0.83 0.49
NO3 4.86 2.75 4.52 3.10 3.83 5.24 2.41 2.02 7.94 4.37 3.68 2.17
NO2-N 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.07 0.05 0.02 0.01
NH3-N 0.06 0.04 0.07 0.06 0.17 0.15 0.07 0.05 8.24 8.48 0.68 0.63
NH4+ 0.08 0.05 0.08 0.07 0.21 0.19 0.09 0.06 10.05 10.34 0.83 0.77
SO43- 49.23 15.98 53.49 14.96 54.88 18.19 47.30 12.21 43.39 34.80 254.60 148.98
Table 2a: Summary data of general parameters (in mg/l except EC: μS/cm and pH: no unit) for Gans Creek (G1, G2, G3, G4), domestic sewage lagoon overflow (T1) and confined animal lot lagoon overflow (H1) for the sampling period May 2009-April 2010.