2004 October: Endosulfan 0.0015ug/L (TRIMPS), Atrazine 0.01ug/L
2004 November: Endosulfan 0.0015ug/L (TRIMPS), Atrazine 0.01ug/L
2004 December: Endosulfan 0.0015ug/L (TRIMPS), Atrazine 0.01ug/L
2005 January: Endosulfan 0.0017ug/L (TRIMPS)
2005 February: , Atrazine 0.01ug/L
2005 March: Endosulfan 0.0015ug/L (TRIMPS), Atrazine 0.018ug/L
2005 April: Endosulfan 0.0015ug/L (TRIMPS), Atrazine 0.01ug/L
2005 September: Endosulfan 0.0015ug/L (TRIMPS), Atrazine 0.016ug/L
2005 October: Atrazine 0.022ug/L
2005 November: Atrazine Trace
2005 December: Endosulfan 0.0015ug/L (TRIMPS), Atrazine 0.022ug/L, Atrazine Trace
2006 January: Endosulfan 0.0015ug/L (TRIMPS), Atrazine Trace
2006 February: Endosulfan 0.0015ug/L (TRIMPS), Atrazine Trace
2006 March: Endosulfan 0.0015ug/L (TRIMPS), Atrazine 0.032ug/L
2006 April: Atrazine 0.033ug/L