2004 October: 0.0042ug/L Endosulfan (TRIMPS)

2004 November: 0.0015ug/L Endosulfan (TRIMPS)

2004 December: 0.0021ug/L Endosulfan (TRIMPS)

2005 January: 0.01ug/L Atrazine

2005 March: 0.014ug/L Atrazine

2005 April: 0.02ug/L Atrazine

2005 August: 0.0114ug/L Chlorpyrifos (average), Atrazine Trace

2005 September: 0.0291ug/L Endosulfan (TRIMPS), 0.0584ug/L Chlorpyrifos (av), 0.01305ug/L Endosulfan (av), 0.1418ug/L Chlorpyrifos (av), 0.9213ug/L Parathion Methyl (av)

2005 October: 0.0062ug/L Endosulfan (TRIMPS), 0.0478ug/L Chlorpyrifos (av), 0.0645ug/L Chlorpyrifos (av), 0.2259ug/L Parathion Methyl (av), Atrazine Trace

2005 November: 0.0037ug/L Endosulfan (TRIMPS), 0.033ug/L Chlorpyrifos (av), 0.0081ug/L Endosulfan (av), Atrazine Trace

2005 December: 0.0041ug/L Endosulfan (TRIMPS), 0.0061ug/L Endosulfan (av), 0.0061ug/L Chlorpyrifos (av), 0.026ug/L Atrazine

2005 January: 0.021ug/L Atrazine

2005 February: 0.038ug/L Atrazine

2006 March: 0.0019ug/L Endosulfan (TRIMPS), 0.03ug/L Atrazine

2006 April: 0.036ug/L Atrazine