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 717-Jun-02 June Dry No dry conditions due to heavy rains, Dry event could not be completed12-Aug-02 August Dry No rain for 10 days, no surface water to sample25-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 592 7.60 2.2 6.84Excellent flow, clear. Note construction on adjacent property26-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 Very little water, construction continues on adjacent property26-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 No Access due to construction10-Mar-04 Spring Freshet No access due to construction on adjacent property along Watson Rd.22-Apr-04 Spring Rain No sample taken - Although there was rain, no water to sample27-May-04 April Dry 468 7.83 16.1 6.81Water has visible TSS. Note silt fence near construction has been breachedby about 0.9m of water.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 flow, small puddle, not enough water to sample.19-Oct-04 Summer Rain No flow28-Oct-04 October Dry No sample taken - Could not get 5 days of dry conditions due to significantrain all month08-Dec-04 Fall Rain 406 7.98 9.3Moderate flow, clear. Silt fence up stream is overflowing with water.04-Apr-05 Spring Freshet 499 8.00 6.1 6.72Good flow, Silt fence up-stream is being breached by water30-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 459 7.80 9.2 8.23Good flow. Visible silt.30-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 307 7.90 17.6 6.21Good Flow. Lots of TSS (Silty).12-Oct-06 October Dry 377 7.80 9.8 7.55Good flow. Visible TSS.13-Dec-06 Fall Rain 303 7.40 6.5 9.5Good flow. Visible TSS.23-Mar-07 Spring Freshet 539 7.00 5.1 8.14Slow Flow, Visible TSS.26-Apr-07 April Dry Dry17-May-07 Spring Rain 479 8.00 12.9 8.05Good Flow, Lots of Visible TSS.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 331 7.10 12.8 5.31Very Slow Flow, Visible TSS.31-Oct-07 October Dry Dry29-Nov-07 Additional Fall 950 7.00 4 10.2Flowing, Visible TSS.09-Apr-08 Spring Freshet 469 7.10 7.5 7.97Good Flow. Visible TSS20-Aug-08 Summer Dry Dry. Attempts made after 13.7 mm of rain in last 7 days16-Sep-08 Summer Rain 385 7.90 17.5 5.76Low flow. Visible TSS.18-Dec-08 Fall Rain 676 7.60 4.5 6.77Low flow. Visible TSS.(2 Rpt Field Data/Eastvw8/80-131/Apr-09) Page 11 of 15