2004 October: Endosulfan (0.0015ug/L) TRIMPS
2004 November: Endosulfan (0.002ug/L) TRIMPS
2004 December: Endosulfan (0.0026ug/L) TRIMPS
2005 January: Endosulfan (0.0015ug/L) TRIMPS
2005 February: Endosulfan (0.0015ug/L) TRIMPS
2005 March: Endosulfan (0.0015ug/L) TRIMPS
2005 April: Endosulfan (0.0015ug/L) TRIMPS
2005: August: Atrazine Trace
2005 September: Endosulfan (0.0015ug/L) TRIMPS, Atrazine 0.012ug/L
2005 October: Endosulfan (0.0015ug/L), Molinate 0.0052ug/L TRIMPS, Atrazine Trace
2005 November: Endosulfan (0.0015ug/L) TRIMPS, Chlorpyrifos Trace
2005 December: Endosulfan (0.0015ug/L) TRIMPS
2006 January: Endosulfan (0.0015ug/L) TRIMPS, Atrazine 0.02ug/L
2006 February: Endosulfan (0.0015ug/L) TRIMPS, Atrazine Trace
2006 March: Endosulfan (0.0015ug/L) TRIMPS, Atrazine 0.029ug/L
2006 April: Atrazine 0.022ug/L