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38 <br /> 1 Slide #25 <br /> Water Quality <br /> • The further water gets from our water <br /> treatment plant,the longer it sats in the <br /> pipes and tanks <br /> • Water age affects water quality.older <br /> water has lower chlorine and increase risk - <br /> of developing disinfection byproducts <br /> • Town changes disinfection process and <br /> flushes annually to address water quality, <br /> but the volume of water required is <br /> significant -1i. MM EADUNR w:INll� <br /> 2 <br /> 3 <br /> 4 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 T <br /> elevation of 814'.There are =� <br /> Isolated areas in this zone that are <br /> over Twin likely <br /> elevation.These � <br /> areas would likelyly not <br /> have <br /> enough pressure. <br /> 5 <br /> 6 Bryant Green said the combination of water quality concerns and topography concerns <br /> 7 explains why there is a planned reduction in the service area. <br /> 8 Vice-Chair Hamilton asked if there is any way to increase the pressure in places of higher <br /> 9 topography. <br /> 10 Bryant Green said the town could create a "new pressure zone", but the pumps that would <br /> 11 be required are expensive to operate and maintain. He said domestic booster pumps are another <br /> 12 option, but those are part of the private plumbing of a residence and the homeowner would <br /> 13 maintain those. <br /> 14 <br /> 15 <br />