Laserfiche WebLink
11 <br /> Tan ry 9,1978 <br /> Duetothe A„pxopryateraising of the Lake level,known clay <br /> deposits will be c <br /> t ese areas fromelifting the lay`� taken <br /> to raven the water over <br /> Although there may <br /> n is .e water from Spada k ddilution, y nabout <br /> , clay and resulting turbiditycontinuing to be problem. Should this cthedma they 11 requiret ter into La <br /> State and <br /> eapl which biaytive11vn excess ehdeRegulatory AlefiltIn <br /> the Citycould berequired to immediately ratioties, <br /> The <br /> proposed <br /> filtration Platt is designed to treatmaxi.. <br /> c li turbidity n the they will have constructed afiltration <br /> wain ihe:x sea the a :the turidity problemcontinues co s increased <br /> 1,units,the City <br /> covleeb d if the <br /> to moddify is in plant of 2 de <br /> modify <br /> their plant <br /> provide f <br /> million(based facilities. <br /> 980 needs)ldvincrease oux costa between 54Pand$7 11 <br /> due Another 9 ern s thebelies <br /> 1 avereffect-upon w quality <br /> oxygen,vncreases in nitro carbonolved dioxide o amounts <br /> r ofvwa <br /> ter <br /> doing.roughthetion cilities,g° enpresentaamo eof dissolved <br /> oxygen ies t° em ants of <br /> tion and n dissolved gases, y also cause easedto some pfiltrationaconstr.- <br /> , ls. In- <br /> We ealso wish dissolved <br /> hemphasiizest steps must be t mitigate <br /> turbidity during taken <br /> ond realm <br /> nc tCrequiretio ents not er urbid- <br /> ittrnanr g constructionr;aa indicatednierrm cm reane <br /> 2) Wateiwana°tity- won wish to be assured that a either <br /> from the Sultan Basin for waould have rights <br /> er sup the p full amount o£water developed <br /> poly.purposes. <br /> ou <br /> 3) <br /> as the <br /> ght to <br /> Operation presentbantersoUr (Spada Lake)to benefits forw water supply <br /> and <br /> wrquality. We(Suldwish o maim the same fi ility v operations. <br /> Witheregard to the several alternatives,we have the following additional <br /> ) Alternative 1 alternative maintains, <br /> conditions for as <br /> Blue <br /> Reservoir 2 area. <br /> possible, <br /> 1) existing <br /> waterP Y s clap are known t Studies aeiakento determinethe extent of these deposits and teffect ofwater impoundment upon trcl Steps should betaken i 0r co <br /> n <br /> trol <br /> e.areas. Recent <br /> -04(h) uhave d that the blueclay is a y <br /> contributor.water borne asbestos in ltan Basin. <br /> the matter is under Although P 1 establish <br /> maximums h asbestos, <br /> related to this would studypower a ageted cost. Bea we ld a peer any s <br /> d be a war related <br /> 2) Alternative 1-11-This alternativesimilar <br /> except Reservoir33wll b additionalised an 60 his additionalbeihtouldinu <br /> n- <br /> our eating d d headworke facilitieswouldrequire recon- <br /> struction° °ps facilities, he additional height would bebeneficalt the <br /> ...dr.. <br /> iccreating additional head et our diversion facil- <br /> ities making possibleincreased <br /> and operating d o Lai Chap- <br />, <br /> in. laala 1 eth replace1approximately11. erealcould <br /> of wood <br /> benreduction <br /> fitipe ta o eeen the water 0 3 and <br /> aepossible a ctiontinaturbv ity,retenivon in Reservoir therefore <br />