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Amherstburg Area Water Treatment Plant Quarterly Report Operated by the Ontario Clean Water Agency (OCWA) under contract to the Town of Amherstburg. For the period ending: September <br />30, 2002 Introduction This report is a summary of the last quarter's water quality, published in accordance with Ontario’s Drinking Water Protection Regulation. It includes important <br />information regarding the source of your water, analytical test results, and how it compares to standards set by the Province. If you have any questions regarding this report, please <br />contact our Client Services Representative listed in section 3 below. During this quarter, the Ontario Clean Water Agency (OCWA) conducted more than 102 tests for water quality parameters. <br />Of those tests, 3 samples were found to exceed the Ontario Drinking Water Standards as set out in Ontario Regulation 459/00 1 for Background Coliform and 2 for HPC. As a result we actively <br />undertook the following remedial actions of re-sampling flushing and a increase in distribution c?hlorine residual. Compliance With Provincial Regulations OCWA operates your water facility <br />in accordance with provincial regulations. Here is how we do it: ?? Use of Accredited Labs: Analytical tests to monitor your water quality are conducted by a laboratory audited by the <br />Canadian Association for Environmental Analytical Laboratories (CAEAL) and accredited by the Standards Council of Canada (SCC). Accreditation ensures that the laboratory has acceptable <br />laboratory protocols and test methods in place. It also requires the laboratory to provide evidence and assurances of the proficiency of the analysts performing the test methods. <br /> <br />Quarterly Report Page 2 ?? Operation by Licensed Operators: Your water treatment plant is operated and maintained by the OCWA’s competent and licensed staff. The mandatory licensing <br />program for operators of drinking water facilities in Ontario is regulated under the Ontario Water Resources Act (OWRA) Regulation 435/93. Licensing means that an individual meets the <br />education and experience requirements and has successfully passed the certificate exam. ?? Sampling and Analytical Requirements: OCWA follows a sampling and analysis schedule required <br />by OWRA Regulation 459/00, the Ontario drinking Water Standards. More information on sampling and analysis including results are available in this report and from your municipal office. <br />?? Adherence to Ministry Guidelines and Procedures: To ensure the protection of the public health and operational excellence, the OCWA adheres to the guidelines and procedures developed <br />by the Ministry of Environment and the Ministry of Health. System Information Facility Name: Amherstburg Water Treatment Plant Total Design Capacity: 18.184 (1000m3/day) Raw Water Source: <br />Detroit River Disinfection Method: Chlorine (gaseous) Municipal Location: Town of Amherstburg Service Area: Central/Western Area Service Population: 20,599 Client Services: Anthony Pizans <br />Phone Number: 519-344-7420 E-mail Address: apizans@ocwa.com (A)Operations Manager: Chuck Fiddy Phone Number: 519-736-5447 E-mail Address: cfiddy@ocwa.com Operational Description Pretreatment <br />Chemicals: Prechlorination (gaseous), Zebra mussel control Coagulation/Flocculation: Aluminum sulfate, Poly electrolytes Filtration: Anthracite, Dual Media Disinfection Method: Chlorine <br />(gaseous) Post Treatment Chemical Addition: Fluoride, chlorine (gas), Powdered Activated Carbon Waste effluent/residual Disposal: Direct to water course <br /> <br />Quarterly Report Page 3 Analytical Test Results Micro biological Parameters July August September Quarter Summary MAC /IMAC Total Coliform counts/100mls 0 1 0 1 0 Number of Samples 40 <br />32 32 102 Number of Detectable Results 0 1 0 1 Min /Max Exceedences Fecal Coliform counts/100mls 0 0 0 0 0 Number of Samples 40 32 32 102 Number of Detectable Results 0 0 0 0 Min /Max <br />Exceedences Heterotrophic Plate Count Number of Samples 15 12 12 39 Min /Max 0/47 0/2500 0/10 0/2500 500 Max Exceedences 0 3 0 3 Chlorine Residual Number of Samples 40 32 32 Min. Free <br />Dist. 0.13 0.06 0.2 0.05 Exceedences 0 0 0 0 Turbidity Number of Samples 180 184 179 Min/Max .01/.05 .01/.03 .01/.04 Exceedences 0 0 0 0 Typical Source of Contamination Microbial contaminants, <br />such as viruses and bacteria, may come from septic systems, agricultural livestock operations, wildlife, and wastewater treatment plants. <br /> <br />Quarterly Report Page 4 Comments: Two samples adverse HPC and one for Background. During follow-up sampling , during the Boil Water Advisory one sample tested positive for Total Coliforms. <br />All other samples and additional follow-up results were negative. Availability of Analytical Test Results The certificate of approval from the Ministry of the Environment, and Regulation <br />459/00 set out monitoring requirements for your water. The tables above summarize all the results required for inclusion in quarterly reports. Your water is extensively tested for the <br />presence of dozens of compounds. Some compounds, not listed above, may be present in low concentrations and their presence does not necessarily mean that the water poses a health risk. <br />Results of all analytical tests are available through your municipal office. Definitions and Abbreviations ?? MAC -Maximum Acceptable Concentration. ?? IMAC -Interim Maximum Acceptable <br />Concentration. ?? Coliform Bacteria -a group of commonly occurring rod shaped bacteria. Their presence in a water sample is indicative of inadequate filtration and/or disinfection. ?? <br />Fecal Coliform Bacteria -refers to a subgroup of coliform bacteria present in the digestive system of warm blooded animals and humans. ?? Heterotrophic Plate Count -a method of measuring <br />bacterial content in water samples. Also known as Standard Plate Count. ?? Organic Parameter -a group of chemical compounds containing carbon. ?? Inorganic Parameter -a group of chemical <br />compounds not containing carbon. ?? Raw Water -Surface or ground water available as a source of drinking water that has not received any treatment. <br /> <br />