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HomeMy WebLinkAbout2011 - Port Burwell Wastewater Treatment Plant January 12, 2012 Ann Neary District Manager Ministry of the Environment 733 Exeter Rd. London, ON N6E 1L3 Re: Annual Reporting as per C of A#6348—7QAJBF for the Port Burwell Wastewater Treatment plant. Dear: Madam Neary The following is a summary of the year 2011 operations for the Port Burwell Wastewater Treatment Plant, owned and operated by the Municipality of Bayham in accordance with the conditions set out in section#10 (6) of the above said C of A. Section a. The attached spreadsheet entitled Annual Compliance Summary captures the monthly treatment performance of the wastewater treatment plant along with compliance and objective criteria met. b. There were no significant operational problems encountered in 2011. c. All equipment was maintained on a routine basis, following manufactures recommendations and or past operating history. These records are available at the wastewater treatment plant for review at any time. d. Daily in house lab work and visual inspections of the treatment process are the tools used to make adjustments for continued effluent quality. e. HTC Instrumentation calibrates flow-metering equipment on an annual basis. The calibration report is available at the wastewater treatment plant for review at any time. The in house lab equipment is calibrated on a regular basis by operations staff. f. See attached spreadsheet for the effluent objectives that were met during the 2011 reporting period. g. Due to wet spring conditions biosolids were not land applied. 165m3 were hauled to the Woodstock( Oxford County)pollution control plant. 742.5m3 were land applied in the fall to site#S-0506-30. Records are available for review at the wastewater treatment plant. h. A sulphide reducing chemical known as Bioxide is being injected into the system at various locations in the collection system which has proven to successfully reduce odour complaints. i. There were no spills or abnormal discharge events to report during 2011. Please do not hesitate to call me with any question or concerns at 519-874-4761. Sincerely, Ed Roloson Water/Wastewater Superintendent ( ORO) Port Burwell Wastewater Treatment Plant Year: 2011 Municipality of Bayham Works#: 110001319 Population Served: 2530 Annual Compliance Summary Design Avg Flow(ms): 1060 FLOWS BIOCHEMICAL 02 DEMAND SUSPENDED SOLIDS PHOSPHORUS NITROGEN SERIES EFFLUENT SEPTAGE 2011 Total Avg.Day Max Day Avg.Raw Avg.Raw Avg.Eff. Avg.Load Avg.Raw Avg.Eff. Avg.Load Avg.Raw Avg.Eff. Avg.Load Avg.Eff. Avg.Load Avg.Eff. Avg.Eff. Avg.Eff. Avg.Loading E.Coli DO pH RECEIVAGE Flow Flow Flow CBOD CBOD CBOD CBOD SS SS SS Phos. Phos. Phos. NH,+NH4 NH,+NH, Nitrate Nitrite Un-ionized Un-ionized Geo.Mean VOLUMES Month m3 m3 m3 (mg/L) (kg/day) (mgIL) (kg/day) (mg/L) (mg/L) (kg/day) (mg/L) (mg/L) (kg/day) (mg/L) (kg/day) (mg/L) (mg/L) NH,+NH4(mg/L)NH,+NH,(mg/L) cnt/100m1 mg/L m January 19737 680.6 846.0 157.4 107.13 5.0 3.40 782.4 12.1 8.24 5.09 0.39 0.27 1.00 0.68 13.76 0.39 0.0067 0.0046 52.60 5.15 7.73 _ February 17218 614.9 1153.0 189.5 116.52 4.3 2.64 256.3 10.0 6.15 5.35 0.37 0.23 1.58 0.97 12.52 0.53 0.0073 0.0045 70.57 5.25 7.62 March 32451 1119.0 1881.0 118.8 132.94 2.8 3.13 778.8 6.6 7.39 3.13 0.39 0.44 2.52 2.82 3.19 0.38 0.0072 0.0081 26.97 5.35 7.33 April 25583 882.2 1460.0 146.0 128.80 3.3 2.91 277.3 6.4 5.65 4.01 0.29 0.26 2.54 2.24 4.08 0.58 0.0028 0.0025 41.60 5.27 7.17 May 24831 856.2 1241.0 129.4 110.79 3.0 2.57 151.8 5.3 4.54 4.53 0.27 0.23 1.10 0.94 8.19 0.17 0.0886 0.0759 8.96 5.17 7.22 73.6 June 18323 631.8 856.0 105.8 66.84 4.0 2.53 141.5 5.8 3.66 3.88 0.51 0.32 1.58 1.00 8.95 0.11 0.0074 0.0047 5.37 5.19 7.31 110.6 July 16933 546.2 722.0 172.0 93.95 2.5 1.37 175.3 3.0 1.64 4.97 0.33 0.18 0.20 0.11 7.97 0.12 0.0074 0.0040 3.13 5.29 7.25 244.5 August 17953 579.1 1315.0 209.0 121.03 3.2 1.85 306.2 2.7 1.56 9.95 0.18 0.10 1.73 1.00 4.70 0.40 0.0057 0.0033 13.92 5.18 7.09 286.5 September 15427 551.0 1141.0 199.5 109.92 2.0 1.10 305.8 2.5 1.38 7.40 0.13 0.07 1.68 0.93 7.83 0.68 0.0101 0.0056 1.00 5.37 7.28 36.0 October 21234 685.0 979.0 159.6 109.33 2.4 1.64 347.8 2.2 1.51 8.37 0.17 0.12 1.87 1.28 6.30 0.10 0.0077 0.0053 0.26 5.24 7.34 63.2 November 21079 702.6 2205.0 165.3 116.14 2.3 1.62 268.0 2.3 1.62 5.54 0.12 0.08 0.18 0.13 14.63 0.06 0.0184 0.0129 32.24 5.28 7.27 90.8 December 26288 848.0 1500.0 143.5 121.69 2.8 2.37 244.3 4.3 3.65 4.57 0.20 0.17 0.78 0.66 7.84 0.07 0.0028 0.0024 40.60 5.34 7.10 23.2 AVERAGE 21421.4 724.7 1274.9 158.0 111.26 3.13 2.26 336.29 5.27 3.91 5.57 0.28 0.21 1.40 1.06 8.33 0.30 0.0143 0.01 24.77 5.26 7.31 116.1 MAXIMUM 32451.0 1119.0 2205.0 209.0 132.94 5.00 3.40 782.40 12.10 8.24 9.95 0.51 0.44 2.54 2.82 14.63 0.68 0.0886 0.08 5.37 7.73 286.5 CRITERIA Apr 16-Nov 30 1060.0 < 15 15.80 < 15 15.90 <1.0 1.06 <2 2.16 0.10 0.106 200.00 CRITERIA Dec 1-Apr 15 1060.0 < 15 15.90 < 15 15.90 <1.0 1.06 <5 5.30 0.10 0.106 none MEETS Concentration Criteria YES YES YES YES YES YES YES YES YES YES Yes OBJECTIVES non-freezing 1060.0 < 10 10.60 < 10 10.60 <0.75 0.80 <1 1.06 0.10 0.106 150.00 >5 OBJECTIVES freezing 1060.0 < 10 10.60 < 10 10.60 <0.75 0.80 <3 3.18 0.10 0.106 150.00 >5 Reasons for failure/Other Problems: Remedial Actions: Sept.4,2011 lighting strike caused damage to the plant SCADA system as well as an online dissolved oxygen analyser Replacement of SCADA computer including software and dissolved oxygen analyser was required for a total cost of$27,584.01 All cost were covered by municipal insurer less the$5000 deductable for a total of$22,584.01 Effluent at Outfall Sewer MH79 Wastewater treatment and collection compliance was not compromised during this time Additional phone line surge protection and SCADA backup hard drive have been installed in an attempt to reduce the damages in the event of a future lightning strike Sample Date: 18-Apr-12 The Average Day Flows for the months of January, March,April,May and June are incorrect due to a formula error on previous spreadsheet. The Average Day Flows should be as follows January 636.7,March 1046.8,April 852.8,May 801.0 and June 610.8 m3. Parameters Result iCBOD[mg/L] <12 .....................................................................................:.......................... :Total Suspended Solids[mg/L] 1.. 22 Effluent discharge to the Big Otter Creek :Total Phosphorus[mg/L] .0.39 :Nitrogen-Kjeldahl(N)[mg/L] 4.5 :....................................................................................:.......................... :Ammonia+Ammonium(N)[mg/L] i 3.9 :Nitrite(as nitrogen)[mg/L] 0.35 :Nitrate(as nitrogen)[mg/LI 2.16 ;Nitrate+Nitrite(as nitrogen)[mg/L] 2.51