AECOM Report B&W - N - City of Guelph

C4: Surface Water Field MeasurementsStation Date Sample Event Field ParametersEstimatedCommentsCond pH Temp DO Stream VelocityuS C mg/L (m/s if applicable)SW 212-Aug-02 August Dry No rain for 10 days, no surface water to sampleSW 3A25-Oct-02 October Dry No more than 2 dry days in a row, no samples taken23-Dec-02 Fall Rain Rains for 2 days, still not enough water to sample18-Mar-03 Spring Freshet 493 7.10 3.8 8.55 (sg=0.260)Good flow, ditch is lined with ice28-Apr-03 April Dry No sample taken - Could not get 5 days of no rain26-May-03 Spring Rain No sample taken - Although there was rain, no water to sample18-Jun-03 June Dry No sample taken - Could not get 5 days of no rain06-Aug-03 Summer Rain Dry26-Aug-03 August Dry No sample taken - Could not get 5 days of no rain24-Oct-03 October Dry No sample taken - Could not get 5 days of no rain19-Nov-03 Fall Rain 844 7.50 10.5 5.94 (sg=0.500)Some Flow10-Mar-04 Spring Freshet 570 7.40 5 5.87 (sg=0.400)Clear, some flow22-Apr-04 Spring Rain No sample taken - Although there was rain, no water to sample27-May-04 April Dry 853 7.97 14.7 5.54 (sg=0.375)Clear, flowing well.28-Jun-04 June Dry No sample taken - Could not get 5 days of dry conditions due to significantrain all month17-Aug-04 August Dry No sample collected, dry,19-Oct-04 Summer Rain Dry28-Oct-04 October Dry No sample taken - Could not get 5 days of dry conditions due to significantrain all month08-Dec-04 Fall Rain 657 7.90 8.2 N/ASome flow, clear.04-Apr-05 Spring Freshet 644 8.41 5 7.41 (sg=0.470m)Good flow, clear30-Apr-05 April Dry No sample taken due to rain16-May-05 Spring Rain No sample taken, not enough run-off after rain event on May 16. Very littlerain during rest of month.30-Jun-05 June Dry No samples taken, dry25-Aug-05 August Dry No sample taken, not enough run-off even after rain event earlier in theweek of Aug 25.28-Sep-05 Summer Rain No sample taken, not enough run-off14-Oct-05 October Dry No sample taken, Dry30-Nov-05 Fall Rain No sample taken, not enough run-off24-Apr-06 Spring Freshet 741 7.70 8.5 8.03 (sg=0.580m)Good flow30-Apr-06 April Dry No Dry Period During Month31-May-06 Spring Rain Rain event early in month, no run-off occuring later in month.09-Jun-06 June Dry Low Water09-Aug-06 August Dry Low Water14-Sep-06 Summer Rain Dry12-Oct-06 October Dry 810 7.40 9.4 3.48 DrySW2 dry, sample taken 6m downstream. Minimal Flow.13-Dec-06 Fall Rain 488 7.20 5.1 7.67 (sg=0.620m)Clear. Lots of grass in ditch.23-Mar-07 Spring Freshet 432 7.50 4.6 8.55 (sg=0.66m)Slow Flow, Clear.26-Apr-07 April Dry Dry17-May-07 Spring Rain 715 7.60 14.4 4.77 (sg=0.55m)Slow Flow, Clear.19-Jun-07 June Dry Dry, No water next day after June 9 (9.8mm) and June 19 (22.4mm).10-Aug-07 August Dry Dry, No water next day after largest rain event on August 7 (18mm).26-Sep-07 Summer Rain Dry. No water next day after last rain event on Sept 26 (7.8mm).10-Oct-07 Fall Rain Dry, 38 mm previous three days.31-Oct-07 October Dry Dry29-Nov-07 Additional Fall No Water, ~15cm of snow in ditch.09-Apr-08 Spring Freshet 412 7.10 10.6 8.39 (sg=0.64m)Clear. Some flow20-Aug-08 Summer Dry Dry. Attempts made after 13.7 mm of rain in last 7 days16-Sep-08 Summer Rain 497 7.40 16.3 4.36 (sg=0.63m)Slow flow. Overgrown with grass18-Dec-08 Fall Rain 574 7.60 6.8 6.4Very little flow.(2 Rpt Field Data/Eastvw8/80-131/Apr-09) Page 4 of 15