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Home My WebLink About2025 - Bayham Water Distribution System Bayham Distribution System Waterworks#260004748 System Category—Large Municipal Residential Annual Water Report Prepared For: The Municipality of Bayham Reporting Period of January 1st — December 31st 2025 Issued: February 23rd, 2026 Revision: 0 Operating Authority: OCWA ` ONTARIO CLEAN WATER AGENCY v AGENCE ONTARIENNE DES EAUX This report has been prepared to satisfy the annual reporting requirements in O. Reg 170/03 Section 11 and Schedule 22 Ontario Clean Water Agency— Bayham Distribution System—2025 Annual Water Reports Table of Contents RevisionHistory ............................................................................................................7 ReportAvailability.........................................................................................................7 System Process Description........................................................................................7 Distribution..........................................................................................................................................7 Compliance.....................................................................................................................7 Adverse Water Quality Incidents..........................................................................................................8 Non-Compliance...................................................................................................................................8 Non-Compliance Identified in a Ministry Inspection............................................................................9 Major Maintenance Summary ......................................................................................9 DistributionMaintenance..................................................................................................................9 Flows...............................................................................................................................9 Ontario Clean Water Agency— Bayham Distribution System—2025 Annual Water Reports Revision History Table 1. Revision History Date Revision# Revision Notes 2026-02-09 0 Report issued Report Availability This summary report for the Bayham Distribution System (DS) is published in accordance with Schedule 22 of Ontario's Drinking Water Systems Regulation for the reporting period of January 15t to December 31St, 2025.This system does not serve more than 10,000 residence and the annual reports will be available to residents at the Municipal Office as well as on the municipal website. Notification will be at the Municipal Office and copies provided free of charge if requested. This report was prepared by the Ontario Clean Water Agency on behalf of the Municipality of Bayham and must be supplied to the Bayham Municipal Council by March 31, 2026. System Process Description Distribution The Bayham Water Distribution System receives its potable water supply from the Elgin Area Water Treatment Plant through the Port Burwell Area Secondary Water Supply System.The treatment plant draws raw water from Lake Erie and provides both primary and secondary disinfection prior to transmission into the downstream systems. Within the Distribution System, secondary disinfection is maintained through two re-chlorination facilities. One facility is located at the Port Burwell elevated water tank, and the second, known as the Lakeview Re-chlorination Facility, is situated east of the water tower near the Bayham—Malahide municipal boundary. The distribution system consists of two interconnected components where flow is metered:the Port Burwell system and the Vienna system. Compliance The Bayham DS was operated and maintained in such a manner that treated water supplied to the consumers serviced by the system satisfied the Ontario Drinking Water Quality Standards. On January V, 2026 OCWA began operating the Bayham Distribution System. Notification was provided to the MECP on November 25t", 2025. OCWA was granted limited scope transitional accreditation on December 4t", 2025 and will be seeking full scope accreditation in 2026. Ontario Clean Water Agency— Bayham Distribution System—2025 Annual Water Reports Table 2. Compliance Report Card Compliance Event Date #of Events Ministry of Environment January 5t", 2025 0 Inspections Ministry of Labour N/A 0 Inspections October 3rd, 2025 9 QEMS External Audit November 25th,2025 2 AWQI's/BWA N/A 0 Non-Compliance N/A 0 Community Complaints N/A 0 Spills N/A 0 Watermain Breaks N/A 0 Adverse Water Quality Incidents Under the Safe Drinking Water Act, O.Reg 170/03, any adverse water quality incidents (AWQI) are required to be reported to the Ministry of the Environment, Conservation and Parks (MECP) and corrective action taken. Refer to Table 3 below for a summary of AWQI incidents in 2025. Table 3: AWQI Incidents Date AWQI# Location Problem Details Legislation Corrective Action Taken There were no adverse water quality incidents reported during the reporting period. Non-Compliance Under the Safe Drinking WoterAct, O.Reg 170/03, any events where legislative requirements were not met are required to be reported to the MECP and corrective actions taken. Refer to Table 4 below for a summary of non-compliance incidents in 2025. Table 4: Non-Compliance Incidents requirement(s)system failed duration of the failure Legislation Corrective Action Status to meet (i.e.date(s)) There were no non-compliance issues reported during the reporting period. Ontario Clean Water Agency— Bayham Distribution System—2025 Annual Water Reports Non-Compliance Identified in a Ministry Inspection The annual routine inspection of the Bayham Distribution System occurred on January 5t", 2026, and was conducted by Provincial Officer,Jim Miller of the Ministry of the Environment, Conservation and Parks (MECP).The final report was received on February 12, 2026 with a final inspection rating of 100%. The routine MECP Inspections have an Inspection Rating Record, which evaluates the system to provide information for the owner/operator on areas that need to be improved. The particular areas that were evaluated for the Bayham Distribution System were: Treatment Process, Operations Manuals, Logbooks, Certification and Training, Water Quality Monitoring, and Reporting and Corrective Actions. This system received 0 out of 214 non-compliance ratings and as such received 100%for the Final Inspection Rating. There were no issues or concerns to report in 2025 that required corrective action for the Bayham Distribution System System. Table 5: Non-Compliance from Ministry Inspections Legislation requirement(s)system failed duration of the failure Corrective Action Status to meet (i.e.date(s)) There were no non-compliances identified during this period. Major Maintenance Summary Distribution Maintenance Table 6:Maintenance Details Hydrant flushing Valve turning - Flow meter calibrations Flows In accordance with Schedule 22-2(3) below is a summary and discussion of the quantity of water supplied during the reporting period. There are no rated capacities specified in the MDWL or DWWP. The Bayham Distribution System is supplied potable water from the Elgin Area Water Treatment Plant through Port Burwell Area Secondary System. The flow is metered at two locations in the system that are interconnected: 1. Port Burwell 2. Vienna Appendix A contains monthly flow readings from various meters throughout the distribution system. Appendix A Summary of flow volumes to the Bayham Distribution System from 2021-2025(values in m3 unless indicated) �eb. March April • Dec. 5672 5479 6482 6823 8109 10755 12849 11092 10766 8236 7477 7733 101,473 Daily 183 19Average = 2� 2-� 262 359 414 358 359 E QW 2� 4134 3904 4506 4324 4805 6042 7120 6642 6376 4845 5106 5234 63,038 133 139 145 155 201 229 213 11,446 10,468 11,865 12,209 14,903 16,433 20,622 20,974 169523 149610 13,173 13,831 177,057 369 374 383 l"M 481 567 ■ 665 ��_ 6378 6061 5952 5845 7766 8696 12767 11071 8310 7697 5116 6504 92,163 206 209 192 195 250 290 412 357 277 248 170 210 4028 1 3782 4174 4322 4635 4411 5392 5252 4980 4565 3869 4721 54,131 Daily 130 130 135 144 149 147 174 169 166 147 129 152 Average 11,310 10,795 11,306 11,221 13,908 15,292 17,860 17,569 14,348 13,496 10,905 11,760 159,770 365 372 365 374 448 510 576 567 478 435 363 379 5461 4998 5823 5484 8048 8112, 9815 9209 7675 6176 6008 6136 82,945 Daily 270 Average 3797 3650 4284 4810 5408 5306 4962 4867 4441 4313 4068 3923 53,829 O---_--_-E9 13j__ 109371 9,456 11,159 11,343 14,706 15,290 15,607 15,173 12,913 11,999 11,053 11,322 150 o 392 Average ----M302 9827' -� r 6117 6904 92,359 Daily 201 185 200 196 300 328 378 318 240 255 204 223 Average �Wb090 4235 4693 3692 4862 5387 4845 4746 4861 5104 4104 4148 55,767 164 151 151 123 157 180 156 153 162 165 137 134 12,454 10,685 12,413 13,428 15,304 17,058 17,873 16,203 13,754 13,415 11,244 12,380 166,211 402 382 400 448 494 569 576 523 458 433 375 399 5481 5513 5625 5782 8670 8977 8275 11020 7478 7141 5827 5726 85,515 Daily 177 &M=6- 280 299 'M 356 --__ Average 4151 3777 4249 4347 4677 4745 4293 5355 4089 4453 4522 4791 53,449 Daily Average 13A---M Am-_---__ 11,184 9,045 10,399 11,445 14,360 15,312 16,448 18,769 13,519 13,096 11,491 11,956 157,024 Im---_--_-m 383 ,=_ rr� (ir Ontario Drinking-Water Systems Regulation O. Reg. 170/03 OPTIONAL ANNUAL REPORT TEMPLATE Drinking-Water System Number: 260004748 Drinking-Water System Name: Bayham Distribution System Drinking-Water System Owner: The Corporation of the Municipality of Bayham Drinking-Water System Category: WD Large Municipal Residential Period being reported: 2025 Complete if your Catezory is Lame Municipal Complete for all other Catezories. Residential or Small Municipal Residential Does your Drinking-Water System serve Number of Designated Facilities served: more than 10,000 people? Yes [ ] No [ x] N/A Is your annual report available to the public Did you provide a copy of your annual at no charge on a web site on the Internet? report to all Designated Facilities you Yes [ x ] No [ ] serve? Yes [ ] No [ ] Location where Summary Report required under O. Reg. 170/03 Schedule 22 will be Number of Interested Authorities you available for inspection. report to: 1 Chatham St. Did you provide a copy of your annual Port Burwell, Ont. report to all Interested Authorities you NOJ 1TO report to for each Designated Facility? Yes [ ] No [ ] Note: For the following tables below, additional rows or columns may be added or an appendix may be attached to the report List all Drinking-Water Systems (if any), which receive all of their drinking water from oursystem: Drinking Water System Name Drinking Water System Number N/A Did you provide a copy of your annual report to all Drinking-Water System owners that are connected to you and to whom you provide all of its drinking water? Yes [ ] No [ ] Drinking Water Systems Regulations Page 1 of 6 (PIBS 4435e01)February 2008 rr� (ir Ontario Drinking-Water Systems Regulation O. Reg. 170/03 Indicate how you notified system users that your annual report is available, and is free of charge. [ x ] Public access/notice via the web [ x ] Public access/notice via Government Office [ ] Public access/notice via a newspaper [ x ] Public access/notice via Public Request [ ] Public access/notice via a Public Library [ x ] Public access/notice via other method_water bills Describe your Drinking-Water System The Bayham water distribution system consists of various size transmission mains and apparatuses including 85 fire hydrants, 131 main valves and 5 air release and 4 drain chambers. The location of these are mainly located in the villages of Port Burwell and Vienna. The estimated service population is 1590 with 860 fully metered service connections with 2 main meter chambers. A booster pump station (chamber)is located on the transmission main to Vienna. This pump operates when the pressure drops to activate the pump which would normally occur during fire flows or main line flushing. List all water treatment chemicals used over this reporting period No chemicals used as this report is a stand alone distribution system that receives treated water. Were any significant expenses incurred to? [x ] Install required equipment [x ] Repair required equipment [ x ] Replace required equipment Please provide a brief description and a breakdown of monetary expenses incurred - Hydrant flushing - Valve turning - Flow meter calibrations - Operating $779,899 - Capital$37, 583 Drinking Water Systems Regulations Page 2 of 6 (PIBS 4435e01)February 2008 rr� (ir Ontario Drinking-Water Systems Regulation O. Reg. 170/03 Microbiological testing done under the Schedule 10, 11 or 12 of Regulation 170/03, during this reporting period. Number Range of E.Coli Range of Total Number Range of HPC of Or Fecal Coliform of HPC Results Samples Results Results Samples (min#)-(max#) (min#)-(max#) (min#)-(max#) Distribution 159 0-0 0 - 0 159 <10 - 130 Operational testing done under Schedule 7, 8 or 9 of Regulation 170/03 during the period covered by this Annual Report. Number of Range of Results Grab (min#)-(max#) NOTE: For continuous Samples monitors use 8760 as the Turbidity number of samples. Chlorine 416 0.14—1.61 free Fluoride(If the DWS provides fluoridation NOTE: Record the unit of measure if it is not milligrams per litre. Summary of additional testing and sampling carried out in accordance with the requirement of an approval, order or other legal instrument. Date of legal instrument Parameter Date Sampled Result Unit of Measure issued Summary of Inorganic parameters tested during this reporting period or the most recent sample results Parameter Sample Date Result Value Unit of Measure Exceedance Antimony Arsenic Barium Boron Cadmium Drinking Water Systems Regulations Page 3 of 6 (PIBS 4435e01)February 2008 r� Vr Ontario Drinking-Water Systems Regulation O. Reg. 170/03 Chromium *Lead Mercury Selenium Sodium Uranium Fluoride Nitrite Nitrate *only for drinking water systems testing under Schedule 15.2;this includes large municipal non- residential systems, small municipal non-residential systems,non-municipal seasonal residential systems, large non-municipal non-residential systems, and small non-municipal non-residential systems Summary of lead testing under Schedule 15.1 during this reporting period (applicable to the following drinking water systems; large municipal residential systems, small municipal residential systems, and non-municipal year-round residential systems) Range of Location Type Number of Alkalinity Results Number of Samples min# — max# Exceedances Plumbing Distribution 8 pH and Alk. 95-125 mg/L 0 alkalinity pH=7.35-7.72 Summary of Organic parameters sampled during this reporting period or the most recent sample results Parameter Sample Result Unit of Exceedance Date Value Measure Alachlor Aldicarb Aldrin+Dieldrin Atrazine+N-dealkylated metobolites Azinphos-methyl Bendiocarb Benzene Benzo(a)pyrene Bromoxynil Carbaryl Carbofuran Carbon Tetrachloride Chlordane(Total) Drinking Water Systems Regulations Page 4 of 6 (PIBS 4435e01)February 2008 rr� (ir OntariO Drinking-Water Systems Regulation O. Reg. 170/03 Chlorpyrifos Cyanazine Diazinon Dicamba 1,2-Dichlorobenzene 1,4-Dichlorobenzene Dichlorodiphenyltrichloroethane(DDT)+ metabolites 1,2-Dichloroethane 1,1-Dichloroethylene vin lidene chloride Dichloromethane 2-4 Dichlorophenol 2,4-Dichlorophenoxy acetic acid(2,4-D) Diclofop-methyl Dimethoate Dinoseb Diquat Diuron Glyphosate HAAs(Total Haloacetic Acids) 2025 25.1 µg/L NOTE: show latest annual average) Heptachlor+Heptachlor Epoxide Lindane(Total) Malathion Methoxychlor Metolachlor Metribuzin Monochlorobenzene Paraquat Parathion Pentachlorophenol Phorate Picloram Polychlorinated Biphenyls(PCB) Prometryne Simazine THM 2025 58 µg/L (NOTE: show latest annual average) Temephos Terbufos Tetrachloroethylene 2,3,4,6-Tetrachlorophenol Triallate Trichloroethylene Drinking Water Systems Regulations Page 5 of 6 (PIBS 4435e01)February 2008 rr� (ir Ontario Drinking-Water Systems Regulation O. Reg. 170/03 2,4,6-Trichlorophenol 2,4,5-Trichlorophenoxy acetic acid(2,4,5-T) Trifluralin Vinyl Chloride List any Inorganic or Organic parameter(s) that exceeded half the standard prescribed in Schedule 2 of Ontario Drinking Water Quality Standards. Parameter Result Value Unit of Measure Date of Sample THM 56 u /L Jan. 6/2025 THM 43 u /L April 1/2025 THM 62 u /L Jul 2/2025 THM 71 u /L Oct. 7/2025 Drinking Water Systems Regulations Page 6 of 6 (PIBS 4435e01)February 2008