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WSP08850
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Last modified
1/26/2010 2:49:53 PM
Creation date
10/12/2006 3:18:21 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8220.102.01.I
Description
Colorado River Water Projects - Aspinall Storage Unit - General - Environmental Studies
State
CO
Basin
Colorado Mainstem
Water Division
5
Date
4/1/2003
Author
DOI-NPS
Title
Curecanti National Recreation Area - Personal Watercraft Use Environmental Assessment
Water Supply Pro - Doc Type
Report/Study
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<br />000174 <br /> <br />Summur~.. <br /> <br /> I I A1.....ti.. e, ..Ins.... PWC I <br /> Alternative A: Reinstate PWC Use under a Special <br /> Use under a Special Regulation With Additional <br /> Regulation as Previously Management Prescriptions No-AcUon Artemative: Allow <br />Impact Topic M... .d (Preferred Alternative) No PWC Un <br />Visll.Of Use and Me use mp3C!S Neglig,ble to PVVC U$e Iffloads Negl.grble to f'\rVC use imoacts Beneficial <br />Expenence minor adverse mpads on m.nor advelse IfTl)ad on most Impact on the e~pe(lences of <br /> el<penences for most IIlsrtOrs In PVlJC users. because most of most non.P\NC USing visrtors <br /> the short and long-term the more popular PWC use aue to the ban of persona! <br /> SWllT1lT1efS and other motorIZed locatIOns al the park would wale,crafl Impacts on PWC <br /> boat users would be most remain ava.able Slloreltne users. particularly local <br /> affeded by PNC use because users seekmg more natural resldenlS would be short and <br /> of the popularity of Ille day use surroundings. and non- long term, moderate to major. <br /> areas espeoalty al Dry CrOOk molOfiled aM mol[)l'Ized and adverse <br /> PlCfllcArea, BayolChicl<.ens. boaters USing the lake arms Cumulative lmoa~s BeneliCJal <br /> and the WlndSUrflllg beach would expenence benefiCIal as compared 10 alternative A <br /> long-term neghgble to minor lrTlpacts and VISitorS 1.150109 the Neghg'ble to minor adverse <br /> adverse IrTlpacts for VISitors maIO body would expenence impads at other walerbodies In <br /> who oeSlre a more passive negligible to minor adverse the rl!9ion as a result of P'NC <br /> rec.reatlonal experience and Impacts users gomg to other Iocahons <br /> deSire natu'alqu~t CumulatIve lmDacts SlI11ilarto to enfOY this activity <br /> CumulatIVe IfTl[Iacts Neghglble alternative A <br /> to mll"lOr adverse mpacts mthe <br /> s.hort and Iona-term <br />VISitor Conflicts and PvVC use IfTlpacts Short-term PVoIC use IfT'Ipaets Short- and PWC use rmDacts Short- and <br />Safety negligible to mlllor adverse and tong-term. minor to moderate long-term, be-nelicial Impacts <br /> long-term. mmor adverse adverse impacts on visilor by reduCing VISitor confhcts and <br /> impacts on visitor conflicts and conflicts and safety If! the high enhanCing safety PINe-related <br /> safety. partICUlarly III the noted use areas and boatlaundles contributions 10 overall <br /> high PvVC use locations due 10 due to the number of V1Sr!ors cumulallvelfTlpactstovrsltOf <br /> lhe number of VISitorS and and boats present on high use salety would be eliminated <br /> boalS present on high use days, as well as a VlsllOfsaletyrmpactsfrom <br /> days, as wett as a concentration of conflIcting other sources would be- <br /> concentration 01 confllCtmg uses ConflICts along lhe soulh benefiClat <br /> uses Conflicts OIl other shore and at lake-arm locations CumuFatlVelmtlacts Mmor <br /> Iocahons would remain would be negligible to minor short- and long-term, adverse <br /> negligible adverse because use adverse because PNC zoning Impacts lor other uses <br /> IS lower and conlhcts would be would reduce the polentlal lor <br /> less likely to occur =""'. <br /> Cl,JmulativelrnoactsM,n()l' Cl,lmulahvellTlOacts Mloorto <br /> adverse tor an user groupSll'1 moderate adverse for all user <br /> the short and long term. groups in the short and long <br /> partICUlarly near the high-use lerm, partICUlarly near the high- <br /> areas, negligble adverse In use areas CumulallVe mpads <br /> olher areas 01 the resefVOlr In lake arms would be- <br /> nl!9ligible adverse because of <br /> reduced use <br />Cultural Resources P\IVCuse If\'lpacts Minor PVVC use NTlDacts Mmor ?NC l,Ise Imoads. BenefICIal <br /> adverse mpacts on lISted 01 adverse In'Ipacts on lisled or lfl'lPacts on archeological SIles <br /> potentIally IlSled ard1eologlCal potentially listed archeologICal CumulatIVe 1fT1Oacts Minor to <br /> sites from possible illegal resources from poSSIble Illegal milJOf elfects. acceSSIbility 01 <br /> collealOn and vandalism collecbon and vandalISm <br /> Base<! on speed zones and the resource and lhe potential <br /> Cumulal1ve IfT1P<Icts Minor 10 speed reslrichons from arm for dlegal COllectIOn or damage <br /> major adverse. due 10 the by other users No IIlcrease <br /> number 01 vlSllOfS and the areas mto main body areas based on P\IVC use <br /> potential for dlegal collechon Of BenelitiaF mpad on those <br /> deslructlon resources from the reduced <br /> erosion resultlll9 Irom hIQher <br /> ...... <br /> CumulatIVe Il'TI[)<lcts MlrtOr to <br /> major and adverse effects 01 <br /> other ad1Vlhes on arc.heologocal <br /> resources that are readily <br /> accessible due 10 the nUmOer <br /> of VISitOrs and the potenllal tor <br /> l~al colledlon or OestructlOn <br /> <br />'" <br />
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