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38 <br /> Slide #25 <br /> Water Quality <br /> • The further water gets from our water <br /> treatment plant,the longer it sits in the O <br /> pipes and tanks <br /> • Water age affects water quality.Older <br /> water has lower chlorine and increase risk O <br /> of developing disinfection byproducts <br /> JO <br /> • Town changes disinfection process and O <br /> flushes annually to address water quality, <br /> but the volume of water required is <br /> significanti�.'�e <br /> ,Noa <br /> Slide #26 <br /> Topography <br /> •The Town's water system is <br /> divided into three pressure zones. <br /> These zones are defined the <br /> elevation of the water tank that <br /> serves them <br /> •The north zone's tank is at an <br /> elevation of 814'.There are <br /> isolated areas in this zone that are 1 <br /> over 700' in elevation.These ) e <br /> areas would likely not have ' <br /> enough pressure. r <br /> 0 V- � <br /> a <br /> Bryant Green said the combination of water quality concerns and topography concerns <br /> explains why there is a planned reduction in the service area. <br /> Vice-Chair Hamilton asked if there is any way to increase the pressure in places of higher <br /> topography. <br /> Bryant Green said the town could create a "new pressure zone", but the pumps that would <br /> be required are expensive to operate and maintain. He said domestic booster pumps are another <br /> option, but those are part of the private plumbing of a residence and the homeowner would <br /> maintain those. <br />