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By Terry James The source ‘of a comâ€" munity‘s water supply is the most vulnerable to polâ€" lution â€" therefore Waterloo Region‘s water should be chlorinated. This suggesâ€" tion was made by consultâ€" ing engineers. Gore and Storrie Ltd.. after the comâ€" pletion of a $20.000 study on the Region‘s water supâ€" ply system. Pipe l:;l:t:; :::en; ::: ;\;e'rwl:l:;t:- fl:\el:::::e::::‘c;?::ed in the Cambridge Highland Games last weekend. The annual games are sponsored by the Waterioo Study suggests water should be chlorinated ‘‘Bacteria â€" thrives on minerals | naturally occurâ€" ring in ground water." said Mr. _ Pawley. _ ‘‘Deposits build up colonies on the walls of the pipelines. They are not harmful but if they do â€" enter the distribution system they have a perâ€" manent place to live. These deposits serve as hosts and Members of the Region‘s engineering committee listened to the results of the _ Supervisory _ Control and Disinfection Study at their meeting on Thursday. August 11. The purpose of the twoâ€" part study was to outline a proposed supervisory and control system for the Reâ€" gion‘s several ground waâ€" ter supply systems. It also includes a proposal for the disinfection and monitoring of the disinfection on the systems. The study was based on the terms of referâ€" ence provided by the Reâ€" gion. John Pawley,. Director of Water Supply for the Reâ€" gion, said the ground water in the Region is pure from a bacteriological stand point however a problem can occur in the distributing system. 122nd Year No. 33 waterioo chronicle are hard to catch and disâ€" infect." Mr. Pawley said that ‘‘we are getting to be a large community with more and more â€" connections, _ more pipelines and more chances for accidents to happen." The study pointed out that. based on estimates given by the Region‘s staff. the populations in the city of Waterloo will rise from 49.713 in 1976 to approxiâ€" mately 72,446 in 1986 to 104.â€" 738 in the year 2001 Mr. Pawley said that if the Region was to go ahead with the chlorination of their water supply. Waterâ€" loo‘s share of the capital cost would be $35.000. Operâ€" ating costs would run around $10,.000 a year. According to the engiâ€" neer. chlorination will not produce _ any _ undesirable sideâ€"effects apart from the fact that it is fatal for tropiâ€" cal fish and collectors must remove the chemical from the water in their aquarium. ‘‘The taste is not too bad." said Mr. Pawley. "It deâ€" pends on the quality of the raw water. There may be a slight difference in the waâ€" ter when the chlorine hits the bacteria matter on the pipes but this is only in the initial stages." Mr. Pawley said that if the Region accepts the study‘s suggestion. the proâ€" ject is likely to be phased over a three year period. Waterloo Ald. Brian Turnâ€" bull is not prepared to acâ€" cept the fact that the Reâ€" gion‘s water needs to be treated My first reaction to the Wednesday, August 17, 1977 study is that they did not prove their case. The fellow (consultant â€" lan _ Harvie) presenting the study said that chlorine is desirable but not required." said Mr. Turnbull. "When I asked him how we detect when it is required he didn‘t give me a real answer. He said it is an insurance policy."~ If the Region‘s water does need to be treated, Mr. Turnbull believes that other methods should be looked into. He suggested that the ozone treatment be investigated. In some cases he said it is less exâ€" pensive and has fewer sideâ€" effects than chlorination. According to the study. ozone is a common potable water disinfectant used in Europe and more recently. Quebec. It is an unstable form of oxygen and is proâ€" duced from atmospheric air. compressed and dried to a low dewâ€"point to which a high voltage corona disâ€" charge is applied. The study indicates that ozone equipâ€" ment is considered to be more complex and less flexâ€" ible than chlorine disinfecâ€" tion systems and is run by electricity. The study says that in accordance with the Ministry of Environâ€" ment requirements. it must be backed by chlorination. Waterloo _ Mayor. _ Marâ€" jorie Carroll was not famâ€" iliar with the study thereâ€" fore she was not prepared to comment. The report strongly sugâ€" gests that disinfection be carried out on the complete system "by the use of sodâ€" ium hypochlorite in a chloriâ€" nation system and that such installations be phased to meet with the economic capability of the Region." The consultants suggestâ€" ed that installations should be individual units at each of the well heads unless a common point can be econâ€" omically located. Monitorâ€" ing should be placed at the source of the supply. *‘*In conclusion we (Gore and Storrie Ltd.) recomâ€" mend that the region proâ€" ceed with a disinfection and monitoring system as rapidly as possible to enâ€" sure the health and safety of the consumer." said the study. When _ regional â€" governâ€" ment was founded in 1973 the Region assumed reâ€" sponsibility for the operâ€" ation and maintenance of all existing Municipal waâ€" ter systems. Waterloo‘s water system serves a current population of 49.713 persons. All waâ€" ter is supplied by wells and unlike â€" surface water. is purified as it percolates through the soil. Several â€" interconnections exist â€" between _ Kitchener and Waterloo but a check valve prevents the reverse flow of flouridated Waterâ€" loo water to the nonâ€"flouriâ€" dated _ Kitchener system Metering devices exist at the _ interconnections and allow separate billing to The largest systéms in the Region belong to Kitchâ€" ener, Waterloo and Camâ€" bridge. Smaller ones inâ€" clude Elmira,. Baden and New Hamburg. The sysâ€" tems serve 253.000 people. Waterioo, Ontario each of the municipalities. Waterloo Region is the largest municipality in Onâ€" tario that does not disinâ€" fect its water with the exâ€" ception of a few wells where it was deemed necessary. Baden and St. Jacobs have chlorinated water. *‘*Ninetyâ€"nine per cent of all water systems in the world have chlorination." said Mr. Pawley. "It mainâ€" tains the safety of the waâ€" ter and gets the bacteria right off the bat." The report suggested that existing â€" control â€" systems are obsolete, difficult to maintain and impossible to renew. The system as it stands now cannot operate without â€" extensive â€" labour input and new devices can: not be added. More labour will be required in the fuâ€" ture if the control systems are not replaced with modâ€" ern equipment. The system is presently automatically controlled and operated. Monitoring is carried out at the Wilâ€" The reduction will cover two oneâ€"hour periods, from 10: 15 to 11:15 a. m. EDT. and 10:15 to 11:15 that same eveâ€" ning. Purpose of the test. usually done twice a year A _ planned _ temporary five percent volfage reducâ€" tion to Ontario Hydro‘s electrical system August 23 is not expected to affect most residential, commerâ€" cial and industrial customâ€" ers. according to system operation manager Roger Whitehead. Hydro reduction liam Street Pumping Staâ€" tion in Waterloo which is only manned during the day. Alarms are transmitted to the Greenbrook Station in Kitchener. ‘‘*All facilities in the Reâ€" gional system should be linked into a central control located at Greenbrook Pumpâ€" ing Station in Kitchener with a subâ€"control backâ€"up centre located at the Midâ€" dleton Pumping Station in Cambridge."" said the study. It _ was _ recommended that new systems be selectâ€" ed for compatibility with a future data logging facility and that the Bell Telephone system should be the link between the parts of the system. Members of the Region‘s engineering committee acâ€" cepted the report with inâ€" terest but have agreed to discuss it further with the consulting firm. ‘‘We‘ve presented the facts and it will come down to being a political decision .‘ said Mr. Pawley. by Ontario Hydro. is to pinâ€" point potential â€" problems before the approaching winâ€" ter season with its heavy demands. Mr. _ Whitehead believes most customers won t notice the _ reduction. _ although operations such as radio stations might be slightly affected. ‘‘We just want to see the effect of a voltage reduction on the system at different times of the day under varâ€" ious conditions,"‘ he explains 10 Cent: