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<br /> Until. that data is available, the =elusion about the water quality'or
<br /> e.
<br /> these two water supplies, based z the ch th
<br /> aracteristics of i*, watersheds
<br /> must be that Cane Creek d1L have water-of alveolar quality.
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<br /> ique.pr iiater-irAvitimmt Effectiveness
<br /> The ECX states that one or the not importact ccusideratztons in anal:wing
<br /> the.desirability!:or various water supply sources is the adequacy of treatment
<br /> tot.provide protection ft chums health.- The E concludes that currant treat-
<br /> ment technolow Is adespete trf make all or the alternative sources discusset
<br /> suitable for hum=consumption-
<br /> MI5. concluidorr is at odds with the thinking of atm expertz,in the water-
<br /> Imre
<br /> quality fwitet They-ital.that the water-treatment plant.is too liator. .
<br /> • barrier between potentially harmful rag water and:the water ccosumer because-.
<br /> the pleats cam malfunction ant are operated by humans who are prens to:mds-
<br /> takes,or inoccopetence._ ...
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<br /> In recognition,or the-1t .or c1rInittng water-treatment tedneology, . .
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<br /> protected Imigi,quality sources are etill cam/dared by.these.=recta to be ..
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<br /> en. important "ttetaL,lice or-defamer`against the carrtaminatiod Of potable
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<br /> water-supplies.. . -.
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<br /> Ecenceric Coat Campariscler
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<br /> The Ellit paints out the ditficultiesa of doing eonntoac•cost cceparisons. .. :
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<br /> Not only are the variables:based on engineering judgemente at equips:eat
<br /> needsdia but there-are!severamabC4.010gleser perfcmsdng the eccrounic analysis,_ ..
<br /> and the choice-of method.used can sippificently affect the results of the
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<br /> Cost analyses..tere dame far-the al r1 -vas considered'in the EIS.using_
<br /> Aft several.rettodologies and each gave acme veriatice in the neddrg.of the
<br /> VP alternatives. According:to the ELS-, perhaps the most revealing:result of the
<br /> cost'analysis was the relattite-closeness of costs for all alternatives. No
<br /> single alternati.ve water supply stands out as clearly fruperiar fruit a. cost
<br /> standpoint.
<br /> ocio-Feancede Impacts
<br /> The EIS provides,a more canplete discussion' of the socio-eccarmic impacta
<br /> of ccretructing the Co . Creek reservoir than was provided In the'EL5 pre-
<br /> pared by the US Arry-Corps of Enigmas in 1980. Trace Is a good analysis
<br /> of the cceperente of cmeunity structure in.the Cane- areek area that would be
<br /> impacted by the project including population, agriculture, camunity social/
<br /> meiotic chez2ges,trenecortation,.recreation.energy use,. historical/amine-
<br /> °logical.resources',and lard'use..
<br /> The IEEE draws no conclusions'about the socio-ecouattLc costa identified,
<br /> but does point out tbociT,edmilar costs have already been absorbed for the
<br /> IcyclErt Ian project which is now Przyuete. No figures are developed con-
<br /> cerning the health costs of drinkthg-water from.the Haw.
<br /> Attached is a:smeary of envirommotal impacts friss the =-
<br /> Orange-County Planning Departzent
<br /> April 23, 1982
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