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1 <br />lAliilSOfAl <br />MDH <br />immjQdifflD <br />PnttcHng, maintaining and improving tin health of aU Minnesotans <br />COUNCIL MEETING <br />NOV 142005 <br />CtTYOFORONO <br />November 9.2005 <br />Orono City Council <br />c/o Ms. Lin Vee. Clerk <br />Orono City Hall <br />P.O. Box 66 <br />Crystal Bay, Minnesota 55323 <br />Dear Council Members: <br />SUBJECT: Haloacetic Acids (HAA5) and Trihalomethane (THM) Results, Orono, Hennepin County, <br />PWSID1270041 <br />Enclosed are the most current HAA5 and THM analysis conducted on water samples collected from <br />your public drinking water supply. HAA5s and THMs are regulated contaminants formed in treated <br />waters by the disinfection process. By rule (Minnesota Rules. Chapter 4720), community water <br />supplies that add a disinfectant as part of the drinking water treatment process, are required to <br />monitor HAA5s and THMs. <br />The Minnesota Department of Health ,MDH) has analyzed water samples for HAA5s and THMs for <br />the previous quarter(s). The sample results are within acceptable limits. The results are tabulated <br />below: <br />SMnpling 8He: Distributton System <br />Contaminant: Halcmcetlc Acids <br />MCL: 60.4 ^ <br />Date Collected <br />09/27/2005 <br />Results <br />2.90 <br />Units <br />f/g/i <br />Sample# <br />200527438 <br />Contaminant: Total Trihalometh‘*nes <br />MCL: 80.4 ^ <br />Date Collected <br />09/27/2005 <br />Results <br />2.50 <br />Units <br />pg/i <br />Sample# <br />200527438 <br />A sampling kit will be sent to you prior to your next scheduled sampling date. It is required that you <br />collect HAA5 and THM samples and submit them to the MDH Laboratory for analysis. The results will <br />be reported to you as soon as they become available. <br />GsbbhI Infernution: (6511 201-5000 “ TDD/TVT: (651) iOl-^'O"* ■ Minnewia ReUy Scnice: (800) 62 ”-3520 ■ www.hralih.Maie.mn ua <br />For diicctions to anv of the MDH locatiooi. call (651) 201-5000 ■ cquJ oppotiunity etnploa^r