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<br />C'J <br />C'l <br />co <br />N <br /> <br />T ABLE 1 <br />COMPARISON OF ENVIRONMENTAL IMPACTS <br />ACTION ALTERNATIVES <br />TUCSON AQUEDUCT-PHASE A CENTRAL ARIZONA PROJECT <br /> <br />~, <br />-~\~ii~? <br /> <br />AREA OF IMPACT <br /> <br />ROUTE 2 <br />(PROPOSED ACTION) <br /> <br />AL TERNA TIVE <br />ROUTE 1 <br /> <br />ALTERNATIVE <br />ROUTE 3 <br /> <br />BIOTA <br />VEGETATION <br /> <br />Creosotebush <br />Paloverde <br />Saguaro <br />Mesquite <br />Wash <br />Saltbush <br /> <br />WILDLIFE <br /> <br />SPECIAL STATUS <br />SPECIES <br /> <br />WATER RESOURCES <br />LOCAL SURFACE <br />WATER <br /> <br />ANNUAL AQUEDUCT <br />LOSSES <br />Seepage <br /> <br />Evaporation <br />AIR QUALITY <br /> <br />SOUND QUALITY <br /> <br />VISUA,L QUALITY <br /> <br />LANDS <br />Agriculture <br />Desert Grazing <br />Private Ownership, <br />CULTURAL RESOURCES <br /> <br />RECREATION <br /> <br />SOCIAL AND ECONOMIC <br />Safety <br /> <br />GEOLOGY <br /> <br />PERfIV\NENTRfKlVAL OF VEGETATIOHON <br />THEALlNEMENT{EST!MATEOACRES) <br /> <br />28' <br /> <br />17' <br /> <br />, <br />, <br />.. <br /> <br />SIGN1FICAItTADVERSEIHPACTOU[TO <br />POTENTIAlDIlOWNINGtOSS.SEV[RENCE <br />OF flKJVEMfNT p;>.:o HABITAT lOSS <br /> <br />POSSIBlf DROWNING tOSSES OFO[SERT <br />TORTOISE AND GilA I'll:tSTfR <br /> <br />POWllIALlONSOLIOATlONANOREDIREC- <br />TICIN OF SOME EPIlHIEIlAL DRAINAGES <br /> <br />ASSUMING so G'!f!!IN:' ..~.A,JER RECHARGE, <br />N[l lOSS OF J,/50 A~r(E.FEET PER <br />YEAR <br /> <br />. <br /> <br />LOSS OF 'lrll) "nf-FHT PER YEAR <br />HI~R AIJV(R~[ rFHC1S FROM [(INSTRUC- <br />TION G[NERMEIJ SIJ$PUHJfO P^RTICUl^l(~ <br />fEM$llllAIlY DISflIRllMICE TO WilDLIFE AND <br />ANNOVAHCE TORIJRAl RESlOlNTS; BlAST- <br />IltG tl[ARlItH WILO[RItESS STUDY AREA <br />KO,YTEM1'ORARILYOEGRAOEloIltOfRNESS <br />VALIIES <br /> <br />l'Ulfllll.NlHT III HIIVAI fJf V[t.(TATIOff II'" <br />TilE ALlNEtf[:1T (ESTlMT[DACRES) <br />188 <br /> <br />.., <br /> <br />. <br />1 <br /> <br />SI6"'IFlUJlT ADVERSE ''''I\(T [NIE TO <br />POTElITTAl DRlIWtIlMG lOSS AND SEYER- <br />EIKE Of MOVEMENT. ALsn I'I)1'E"~ <br />nAlLY MJOR ADVERSE IIIURfeT <br />I...ACTS 00t: TO CONSTRUCTUlflI Of <br />OISJRIBUTlllN CAMlS'{see Tlble 13) <br /> <br />NOlll <br /> <br />POTENTIAL CONSOlIOAflOfI AND REDIREC- <br />TJOMOfSIWEf'IlEMERALIJRA1HAGES <br /> <br />ASSUI'!I NG ~f) GRIJUIlD.WATER RECHARGE, <br />NET LOSS Df 3,450 ACRE-fEET PEIl: VfAIl <br /> <br />LOSS Of 11(Wl MRI-Hll PER YI.~1l <br /> <br />MINOR Aj)V[R~1 rHI! 15 fllOH rONS1RU[- <br />TlON GFNERAHlI 511~l'fNI)fIJ I'AIlT!Cul"Tr~ <br />TfMI'OI<^,~Y IlISTIIRIW.([ TO liILIllIH ANn <br />\NtWYANr.( TO RIIRAl RESIflFNTS <br /> <br />MINQRAOV[RSf IMPACTOllrlOIMI'I'lSI. <br />T10NOFMANHIIOESTRIICTUREOtlTll <br />RELATIVFlY"UNOISTURIlEO"lANOSCAPE <br /> <br />Hottl <br />LOSSm OlSERTGRAlJNGON 4,442 ACRf5 <br />LO~S Of TAX REVENUES ON 54 ,'CRES Of <br />PRIVATE lAND ACOUIRED <br /> <br />AfTER I1JTIliAllON STllIllfS. TllE nJS- <br />TURRANUOR[}EsTlHlCTIONOf;'6to <br />4ZSms(EST.) <br />NONL <br /> <br />MINIMAl IlRIlWNIIH; IIAllI~1I <br /> <br />sPEr:lAI IlESlo.iNS MAY BE IlU1\J1RI',1l ItJ <br />Ail.EAS(JFsUllsIDLNCEANIIFARlll <br />FISSURING; RISK OF LEAKAI';f.IF <br />STRUCWRfCRACI:.S <br /> <br />I;'lllAAl!(NT IlUI}VAl OF VUi(TAlJiI/t UII <br />TH[ALfHEMENT(ESIlMAl[DACRfS} <br /> <br />"5 <br /> <br />111 <br />2 <br />. <br />32 <br /> <br />t4lNOR ADVERSE 1~II'ACl flUE ff) I'OTErI- <br />TlAL DROl;NIMG LOSS AND SEVE~ENCE <br />OfHllVEM[NTAlOHGI'lPENCAIfAtPI'lR_ <br />TI0NS <br /> <br />NONE <br /> <br />POTENTIAL CGNSflLIDA.flON AN!) [(WIRIL- <br />TION Of $OI1E EPHEMERAL DRAttlAGES <br /> <br />ASSUMING SO GRflllnD-WATLRRWIARGI;. <br />NET lOSS I'll' 1,650 ACRE-fHT POI YEflR <br /> <br />lOSS I)f ..011 i\(~l-nU I'IR VIA" <br /> <br />MINI1R AflVfll!>1 [rnns nlOM rflN~J\{IIl-_ <br />TI~ li(NrRAHll SllSI'lNllm I'I\R1IClIl.lI.n", <br />IfMI'OJlI\llV nISTlIIII\ANCI TO Hlllltlri ANI! <br />ANNOVANrfff)RIIRAtJlfSlIlrNTS <br /> <br />'1f![lL~AH 'OVERH l~lI'ACTS nil" Tn \'ISI <br />RILlTY Of BURIED PIPElHH SC'R fl'lll <br />SEVEIlALVEARSAtONGWESTEIl'lAND <br />SOUTHFRN SLOPE Of PICACH/)I'!OUNTAHlS. <br />~,~ VlFu~[l from l~lO .:I.'le PICACHO PEAK <br />STATE PARK <br /> <br />lOSSOflDACRESAGRICUlTlJIlE <br />tOSS OflJESERT GIlAZING ON 3,160 Aellf.S <br />ll'lSS Of TAX REVENUES ON 474 AClllS 0F <br />PRIVATEtANOACOUIREQ <br /> <br />AfTER MITIGATION STlmllS, 1 liE 11IS- <br />TUR8ANCEoROESTIlUCT!ONOF 22 TO 31> <br />SITES (EST.) <br />rlml[ <br /> <br />M1NIHAIIlIl'll.NINGII'LARII <br /> <br />SPECJAlOESIGNSHOIILOBEREOlIllll"IJ!rI <br />AREAS OF SUBSIDENCE AND EAR'!H FISSUR- <br />!Nr.; RISKOI' LEAKAGE IF STRUCTURE <br />CRACKS <br /> <br />SIGNJFlC.a.rH ADVERSE EfFECTS DUE TO <br />MIGMVISI!llllTYOfSTRUCTU/lEANO <br />ROO(CUTSALONGllfSTERNANoSOUTMFRtl <br />SLOPES Of PI(:.\CnO MOUNTAH;S. AS <br />V1EWEOfRtlll-lOANDPICACHOPEAK <br />STATE PARt:; VJSUAl PROXIHITY TOBlM <br />WItOERNESS STllDYAREA MAY ADVERSELY <br />AfFECTWIlDERNrSSVAlUES <br /> <br />lDSS Of 65 ACHH AGRICUlTUIl[ <br />lOSS OF DESERT GllAllNG ON 5,435 ACRES <br />lOSS OF TAX REVENUES ON l59-ACR[S OF <br />PRIVATE PROPERTV ACQUJREO <br /> <br />AFTERMl1lliATJUNSTlJDIES,THEOIS- <br />TURBANCE OR OESTIIIJCTIONOF 1J toSl <br />SITES (EST,) <br />HINOllINCDNVE/l!ENCfTOR[CRfATIONAl <br />USERS DUE TO REIlIRECTEO ACCESS TO <br />PORTIONS OF THE PICACHOfl()t.\'lTAIHS <br /> <br />MINIMIIlDRfJlolNINGHAZARO <br /> <br />speCIAL DlSIGN". W(\IIUl B~ ~F"I:lfl[J <br />IN AREAS Of SUGSiDfNCE Aim E.~RT'i <br />FlSSUR!NG; RISK OF lEAKAGE IFSTRIIC <br />TUR[CRACKS <br /> <br />NOTE: litO I/IIl1CA.lIS SlfHlIIJ':, AJiVlllS,[ HH[1$ W111CIl cAtmor fll ArIIVIIIIfIl IIH~IIlJl~1 flJTlc~lllltll<1"SlJHIS. <br />CLACK INDICATES ADVERSE (fFlCTS Il!HClI CAN BE r,^I'lE ACCEPTABLE TllR01I1;1I rllT!('.AT!u;J MEASIJRES. <br />!lUll IttIlJCAT!.S Ill} S/f;lilFICAIH ADHRSL EfFLeT <br /> <br />iii <br />