Appendix U Summary of Comments/ Comment Database Appendix USummary of Comments / Comment DatabaseResource AreaAgriculture Biological Cultural Energy / Power Land Use / Mitigation/Monito Population / Reservoir Transboundary Transportation / Water Supply / Comment Format / Group Commenter Type Sequence Code Number Commenter Form Letter Mechanism Content Resources Resources Resources Production Groundwater Hydrology Planning ring Housing Public Services Recreation Management Socio-economics Impacts Traffic Quantity Water Quality Water Rights Alternatives Miscellaneous Comment Summary1 B 001 01 Schuett 1 1 1 1 1 1 Update Compact to reflect the Colorado River’s supply limitations and changing societal demands1 B 002 01 WR Consultants 1 1 Consider/evaluate sustainable sediment management program for Lake Powell and Lake Mead.1 B 002 02 1 1 Use process that weighs benefits against impacts1 B 004 01 Shipley Group 1 1 1 1 1 Consider/evaluate return of treated wastewater to river to supplement supplies1 B 004 02 1 1 1 1 1 1 1 Consider/evaluate storage of surplus supplies in groundwater aquifers, when available2 B 2000 01 Watermasters 1 Provide information on public scoping meetings.2 B 2001 01 Avalex, Inc. 1 Consider/evaluate effects that guidelines may have on the Law of the River2 B 2001 02 1 1 Re-evaluate how determination of “normal” or “surplus” conditions are made1 1 1 12 B 2001 03 Avalex, Inc. 1 1 1 Consider/evaluate Lake Mead minimum ...
Comment Group Commenter Type Sequence Code Number Commenter 1 B 001 01 Schuett 1 B 002 01 WR Consultants 1 B 002 02 WR Consultants 1 B 004 01 Shipley Group 1 B 004 02 Shipley Group 2 B 2000 01 Watermasters 2 B 2001 01 Avalex, Inc. 2 B 2001 02 Avalex, Inc. 2 B 2001 03 Avalex, Inc. 2 B 2001 04 Avalex, Inc. 2 B 2001 05 Avalex, Inc. 2 B 2001 06 Avalex, Inc. 1 F 001 01 DOE-WAPA 1 F 001 02 DOE-WAPA 1 F 001 03 DOE-WAPA 1 F 001 04 DOE-WAPA 1 F 001 05 DOE-WAPA 1 F 001 06 DOE-WAPA 1 F 001 07 DOE-WAPA 1 F 001 08 DOE-WAPA 1 F 001 09 DOE-WAPA 1 F 002 01 US IBWC 1 F 002 02 US IBWC 1 F 002 03 US IBWC 1 F 002 04 US IBWC 1 F 002 05 US IBWC 1 F 003 01 Park Service 1 F 003 02 Park Service 1 F 003 03 Park Service 1 F 003 04 Park Service 1 F 003 05 Park Service 1 F 003 06 Park Service 1 F 003 07 Park Service 1 F 004 01 Fish & Wildlife Service 1 F 004 02 Fish & Wildlife Service 1 F 004 03 Fish & Wildlife Service 1 F 004 04 Fish & Wildlife Service 1 F 004 05 Fish & Wildlife Service 1 F 004 06 Fish & Wildlife Service 1 F 004 07 Fish & Wildlife Service 1 F 006 01 U.S. Air Force, Nellis AFB 1 F 006 02 U.S. Air Force, Nellis AFB 1 F 006 03 U.S. Air Force, Nellis AFB 1 F 006 04 U.S. Air Force, Nellis AFB 2 F 2000 01 U.S. Environmental Protection Agency 2 F 2000 02 U.S. Environmental Protection Agency 2 F 2000 03 U.S. Environmental Protection Agency 2 F 2000 04 U.S. Environmental Protection Agency 2 F 2000 05 U.S. Environmental Protection Agency 2 F 2000 06 U.S. Environmental Protection Agency 2 F 2000 07 U.S. Environmental Protection Agency 2 F 2000 08 U.S. Environmental Protection Agency 2 F 2000 09 U.S. Environmental Protection Agency 2 F 2000 10 U.S. Environmental Protection Agency 2 F 2000 11 U.S. Environmental Protection Agency 2 F 2000 12 U.S. Environmental Protection Agency 2 F 2000 13 U.S. Environmental Protection Agency 2 F 2000 14 U.S. Environmental Protection Agency 2 F 2000 15 U.S. Environmental Protection Agency 2 F 2000 16 U.S. Environmental Protection Agency 2 F 2000 17 U.S. Environmental Protection Agency 2 F 2000 18 U.S. Environmental Protection Agency 2 F 2000 19 U.S. Environmental Protection Agency 2 F 2000 20 U.S. Environmental Protection Agency 2 F 2000 21 U.S. Environmental Protection Agency 2 F 2000 22 U.S. Environmental Protection Agency
Scoping Summary Report
Appendix U Summary of Comments / Comment Database
Resource Are Format / Agriculture Biological Cultural Energy / Power Land Use / Mitigation/MonitoPopulation / Reservoir TransboundaryTransportation /Water Supply / Form Letter Mechanism Content Resources Resources Resources Production Groundwater Hydrology Planning ring Housing Public Services RecreationManagement Socio-economicsImpacts Traffic Quantity Water Quality Water Rights Alternatives Miscellaneous Comment Summary 1 1 1 1 1 1 Update Compact to reflect the Colorado River’s supply limitations and changing societal demands 1 1 Consider/evaluate sustainable sediment management program for Lake Powell and Lake Mead. 1 1 Use process that weighs benefits against impacts 1 1 1 1 1 Consider/evaluate return of treated wastewater to river to supplement supplies 1 1 1 1 1 1 1 Consider/evaluate storage of surplus supplies in groundwater aquifers, when available 1 Provide information on public scoping meetings. 1 Consider/evaluate effects that guidelines may have on the Law of the River 1 1 Re-evaluate how determination of “normal or “surplus conditions are made 1 1 1 1 111Consider/evaluateLakeMeadminimumstorageelevationthatoptimizeswateravailabilityforallusreortsec&tinoonsotherelevationp 1 1 1 1 11111Consider/evaluateLakePowellminimumstorageelevationthatoptimizeswateravailabilityforaollnupsreortsec&tinoonsotherelevati 1 1 1 1 Evaluate both direct and indirect environmental and economic impacts to river and all water users 1 1 Consider/evaluate water quality impacts below Lake Mead 1 1 Develop and implement drought management solutions now to minimize impacts in future years 1 1 1 1 1 Consider/developof strategies that maximize power production 1 1 Include Lake Powell in management strategies/shortage guidelines 1 1 Interim strategies that end before 2017 may impact negotiation of Hoover Service Contracts 1 Implementation of strategies/shortage guidelines may be beneficial 1 1 1 Incorporate shortage criteria in the Lower Basin that recognizes water right priorities 1 1 1 Incorporate shortage criteria in the Lower Basin that minimizes impacts to water quality of low reservoir conditions 11111IncorporateshortagecriteriaintheLowerBasinthatmaintainspowergenerationcatpoamcietrystoLowerBasincus 1 1 1 1 1 1 ConsiderUpper Basin releases that enhance storage in Lake Powell to maintain powerogneneration at Glen Cany 1 1 1 1 1 Management Strategies should address adverse impacts to water deliveries to Mexico 1 1 1 Include language in Management Strategies stating that IBWC Minute No. 242 will not be changed 1 1 1 Address potential salinity impacts to Mexico water deliveries 111111RequestconsultationwithMexicotoexplainNEPAprocessandpotentialimpactsonwaterquantityivaenrdieqsualitytoMexicodel 1 1 1 1 Update reference to drought or the allocation of waters between the U.S. and Mexico consistent with tWeratmeirnTolroegatyyusedin1944 11111Consider/evaluatecriticalwaterlevelsonlakesPowellandMeadbelowwhichmawnoyulrdecbr e actuirotn a i l esderavlitcoegsether 11111Consider/evaluateconjunctivereservoirmanagementstrategiesthatoptimizerecrPeoawtieollnonlakesMeadand 1 1 1 1 Consider/evaluate potential impacts to recreation on lakes Mead and Powell 1 1 1 Consider/evaluate potential impacts to recreation on Grand Canyon National Park and Glen Canyon National Recreation Area 1 1 Consider/evaluateimpacts to local and regional economies along the Colorado River 1 1 1 Consider/evaluate impacts on recreation and tourism along the Colorado River 1 1 1 Consider/evaluate impacts on NPS units along Colorado River 11Section7consultationneededifdevelopGlenCanyonDammonthlyordailyreleasepatternsthatdiffetrhfero19m9t5hRosOeDspecifiedinConsider/evaluateGlenCanyonDamSeasonallyAdjustedSteadyFlowwatermanagementstrategiestoprovideempwea r amtue r erselteoaesnehwaanctert 1 1 1 1 1 humpback chub conservation 1 1 1 Consider/evaluate effect of annual releases from Glen Canyon Dam on humpback chub 1 1 Section 7 consultation needed if projected Lake Mead elevations are lower than elevations in LCR MSCP BA/BO 1 1 1 Section 7 consultation needed if reduction in flows below Hoover Dam are more than 1.574 MAF as stated in LCR MSCP BA/BO 1111Consider/evaluateLakePowellevelsandflowsthruGrandCanyonthatbueitnemfietnstpoafwranizonrgba nckd rseu c rkers as noted in BO for ISG Consider/evaluatetimingofflowsintoLakeMeadtoallowforriparianmanagementatitsdeltatoprogviedr e dhsaobuittahtwfeosrttehrenewnildloawn1 1 flycatcher and other migratory bird species 1 1 1 Consider/evaluate strategies that establish critical water levels at lakes Mead and Powell 1111111Consider/evaluatestrategiesthatprovideforequitablesharingotifes htoortiantg e rsnabteitownealetnrep a tries 1 1 1 1 Consider/evaluate strategies that protect Federal Reserved Water Rights 1 1 Consider/evaluate strategies that protect federal mandates such as protect nation and preserve national sovereignty 1111Consider/evaluatespecificmeasuresthatresultinmoreCeoflfoicriaednotRmivaenragweatmeernstuopfplies 1 1 1 1 Evaluate both direct and indirect environmental and economic impacts to river and all water users 1 1 1 1 1 Evaluate effects on the Southern Nevada Water Authority’s drinking water supply and its intakes 1 1 1 Evaluateeffects on dilution of perchlorate entering Lake Mead from Henderson, Nevada via Las Vegas Wash 1 1 1 1 Evaluate effects on the timing and rate of lake turnover 1 1 1 Evaluate effects on lake water quality 1 1 1 1 Evaluate effects on the timing and rate of lake turnover 1 1 1 Evaluate effects on lake water quality 1 1 1 Evaluate effects on salinity, mercury, sediment, radioactive substances and other constituents of Lower Colorado River water 1 1 1 Evaluate effects on general water quality and end uses of water going to Arizona, California, Nevada, and Mexico 111Evaluateeffectsonin-streamwaterqualityandwaterreachingtheColoradoRiverDelta,includingwwatfleurctteumatpioenrasturesandflo 1 1 1 1 1 1 1 1 Evaluate effects on water rights, including Tribal water rights 1 1 Evaluate effects on water supply diversion quantities and schedules 1 1 1 1 Evaluate effects on recreation, such as rafting in the Grand Canyon, fishing, and visual effects of reservoir draw-downs 1 1 1 Evaluate effects on sediment movement and impacts on beach replenishment in the Grand Canyon 11111EvaluateeffectsonhydroelectricgenerationandLakeMeliazdatiaonndrLeaqkueirPeomweenlltsequa 1 1 Evaluate effects on flood control 11Evaluateeffectsonfisheries,threatenedandendangeredspecies,andtheLowerColoradoRiverMultipleaStipoenciSetsraHtaebgiytatConserv EvaluateeffectsonTreatyobligationswithTribesandMexico,BiologicalOpinions,dischargeanddivearsgiroenepmeernmtsit,ss,uacnhdaostthheorseto1 1 1 1 1 restore the Colorado River Delta. 1 1 1 1 1 1 1 Evaluate effects on groundwater from potential tranu s ietitoongf ro umnsduwrafatecre uwsaeter 1 Develop monitoring and accounting systems to evaluate impacts of shortages 1 Request regular consultations with tribes during development of alternatives
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March 2006
Appendix U Summary of Comments / Comment Database
Resource Are Comment Format / Agriculture Biological Cultural Energy / Power Land Use / Mitigation/MonitoPopulation / Reservoir TransboundaryTransportation /Water Supply / GroupCommenterTypeSequenceCodeNumberCommenterFormLetterMechanismContentResourcesResourcesResourcesProductionGroundwaterHydrologyPlanningringHousingPublicServicesRecreationManagementSocio-economicIsmpactsTrafficQuantityWaterQualityWaterRightsAlternativesMiscellaneous Comment Summary 2 F 2000 23 U.S. Environmental Protection Agency 1 Develop and include in EIS a comprehensive overview of allocation and uses of water in Lower Colorado River Basin 1 G 001 01 Living Rivers 1 1 1 1 1 1 Update Compact to reflect the Colorado River’s supply limitations and changing societal demands 1 G 001 02 Living Rivers 1 1 Consider/evaluate efficiency of storage system based on reality of increased demand and decreased supply 1 G 001 03 Living Rivers 1 1 1 1 1 1 1 Consider/evaluate transfer of Lake Powell and Lake Mead storage to groundwater aquifers 1 G 001 04 Living Rivers 1 1 1 Consider/evaluate sustainable sediment management program for Lake Powell and Lake Mead. 1 G 001 05 Living Rivers 1 1 1 1 1 1 1 1 Consider/evaluate costs and benefits of decommissioning Glen Canyon Dam 1 G 001 06 Living Rivers 1 1 1 1 1 1 Consider/evaluate costs and benefits of restoring natural flows through Glen and Grand Canyons. 1 G 001 07 Living Rivers 1 1 1 1 1 1 Consider/evaluate new water allocation guidelines that consider more accurawte estimates of natural flo 1 G00108LivingRivers1111111Consider/evaluatenewwaterallocationguidelinesthatprotectcriticalhabitelasteswinheG r ea.nd Canyon and 1 G 003 01 Defenders 1 1 1 1 1 Consider/evaluate submitted shortage criteria alternative - "Conservation Before Shortage" 1 G 004 01 Endangered Habitats 1 1 1 1 1 1 1 1 Consider/evaluate costs and benefits of decommissioning Glen Canyon Dam 1 G 004 02 Endangered Habitats 1 1 1 1 1 1 1 Consider/evaluate transfer of Lake Powell and Lake Mead storage to groundwater aquifers 1 G 004 03 Endangered Habitats 1 1 1 1 1 1 Consider/evaluate costs and benefits of restoring natural flows through Glen and Grand Canyons. 1 G 004 04 Endangered Habitats 1 1 1 Consider/evaluate sustainable sediment management program for Lake Powell and Lake Mead. 1 G 004 05 Endangered Habitats 1 1 1 1 1 1 Update Compact to reflect the Colorado River’s supply limitations and changing societal demands 1 G 004 06 Endangered Habitats 1 Proposed process requires a full Environmental Impact Statement 1 G 005 01 Maricopa Audubon 1 1 1 1 1 1 1 1 Consider/evaluate costs and benefits of decommissioning Glen Canyon Dam 1 G 005 02 Maricopa Audubon 1 1 Consider/evaluate efficiency of storage system based on reality of increased demand and decreased supply 1 G 005 03 Maricopa Audubon 1 1 1 1 1 1 1 Consider/evaluate transfer of Lake Powell and Lake Mead storage to groundwater aquifers 1 G 005 04 Maricopa Audubon 1 1 1 1 1 1 Consider/evaluate costs and benefits of restoring natural flows through Glen and Grand Canyons. 1 G 005 05 Maricopa Audubon 1 1 1 Consider/evaluate sustainable sediment management program for Lake Powell and Lake Mead. 1 G 005 06 Maricopa Audubon 1 1 1 1 1 1 Update Compact to reflect the Colorado River’s supply limitations and changing societal demands 1 G 005 07 Maricopa Audubon 1 Proposed process requires a full Environmental Impact Statement 1 G 007 01 Rock the Earth 1 Proposed process requires a full Environmental Impact Statement 1 G 007 02 Rock the Earth 1 1 1 1 1 1 1 1 Consider/evaluate costs and benefits of decommissioning Glen Canyon Dam 1 G 007 03 Rock the Earth 1 1 1 1 1 1 1 Develop plan that maximizes storage at Lake Mead and minimizes storage at Lake Powell 1 G 007 04 Rock the Earth 1 1 1 1 1 1 1 Consider/evaluate transfer of Lake Powell and Lake Mead storage to groundwater aquifers 1 G 007 05 Grand Canyon River Guides 1 1 1 1 1 1 Consider/evaluate aggressive water conservation now to minimizeyderaorusght impacts in future 1 G 007 06 Rock the Earth 1 1 1 1 1 1 Update Compact to reflect the Colorado River’s supply limitations and changing societal demands 1 G 007 07 Rock the Earth 1 1 1 1 1 1 Consider/evaluate costs and benefits of restoring natural flows through Glen and Grand Canyons. 1 G 007 08 Rock the Earth 1 1 1 Consider/evaluate sustainable sediment management program for Lake Powell and Lake Mead. 1 G 008 01 Paleoscientists Group 1 1 Consider use of paleohydrologic data in analysis to provided extended record of hydroclimatic variability 1 G 009 01 Grand Canyon Sierra Club 1 1 1 1 1 1 1 Consider/evaluate transfer of Lake Powell and Lake Mead storage to groundwater aquifers 1 G 009 02 Grand Canyon Sierra Club 1 1 1 Consider/evaluate sustainable sediment management program for Lake Powell and Lake Mead 1 G 009 03 Grand Canyon Sierra Club 1 1 1 1 1 1 Update Compact to reflect the Colorado River’s supply limitations aannddcshanging societal dem 1 G 009 04 Grand Canyon Sierra Club 1 Proposed process requires a full Environmental Impact Statement 1 G 010 01 Grand Canyon River Guides 1 1 1 1 1 1 Consider/evaluate alternatives that ensure sufficient flows for boat safety and navigation 1 G01002GrandCanyonRiverGuides111111Consider/evaluatereducedbutstableLakeMeadlevelstominimizecihmapsacMtasritnoabsuasi n detsosuers gs u ides 1 G 010 03 Grand Canyon River Guides 1 1 1 1 Avoid impacts to Glen Canyon Adaptive Management Program event-driven sediment experiments 1 G 010 04 Grand Canyon River Guides 1 1 Avoid impacts to river restoration efforts and endangered species 1 G 010 05 Grand Canyon River Guides 1 1 1 1 Consider/evaluate shortage criteria that reduces deliveries to all users by same percentage amount 1 G 010 06 Grand Canyon River Guides 1 1 1 1 Consider/evaluate storage options that minimize evaporation 1 G 010 07 Grand Canyon River Guides 1 1 1 1 1 Consider/evaluate storage options that maximize power production 1 G 010 08 Grand Canyon River Guides 1 1 1 1 1 1 Consider/evaluate aggressive water conservation now to minimizeyderaorusght impacts in future 1 G 010 09 Grand Canyon River Guides 1 1 1 1 Consider/evaluate power conservation program to minimize hydro-peaking releases 1 G 010 10 Grand Canyon River Guides 1 Use a basin wide approach for study and criteria implementation 1 G 010 11 Grand Canyon River Guides 1 Proposed process requires a full Environmental Impact Statement 1 G01012GrandCanyonRiverGuides1111111Consider/evaluatecriteriathatlimitspopulationandhousinggreoawmt-hflaonwdsincreasesin-str 1 G 011 01 Waterkeepers Australia 1 1 1 1 1 1 1 1 Consider/evaluate costs and benefits of decommissioning Glen Canyon Dam 1 G 011 02 Waterkeepers Australia 1 1 1 1 1 1 1 Consider/evaluate transfer of Lake Powell and Lake Mead storage to groundwater aquifers 1 G 011 03 Waterkeepers Australia 1 1 1 1 1 1 Consider/evaluate costs and benefits of restoring natural flows througsh Glen and Grand Canyon 1 G 011 04 Waterkeepers Australia 1 1 1 Consider/evaluate sustainable sediment management program for Lake Powell and Lake Mead 1 G 011 05 Waterkeepers Australia 1 1 1 1 1 1 UpdateCompact to reflect the Colorado River’s supply limitations an d schanging societal deman 1 G 014 01 Defenders 1 Proposed process requires a full Environmental Impact Statement 1 G 014 02 Defenders 1 Consider/evaluate both permanent and interim guidelines 1 G 014 03 Defenders 1 Thepreferred alternative should take the form of guidelines, similar to ISGs 1 G 014 04 Defenders 1 1 The guidelines should be permanent for use in managing water now and in future 1 G01601WyomingFarmBureau11111Consider/evaluatereservoirmanagementstrategythatwouldstorewaterlionnghe a sdpwoastseirblr e servoirs as 1 G01602WyomingFarmBureau111111Criteriashouldmaintaincurrentapportionmenttoassurestate'sfuturdesdevelopmentprojectnee 1 G01603WyomingFarmBureau11111Consider/evaluatecriteriathatwouldrequireproportionalsharingofshort-termshortagestominitymriizgehitmhpoladcetsrstolowpriori 1 G 017 01 Glen Canyon Institute 1 Use a basin wide approach for study and criteria implementation 1 G 017 02 Glen Canyon Institute 1 Proposed process requires a full Environmental Impact Statement 1 G 017 03 Glen Canyon Institute 1 1 1 1 1 1 1 Consider/evaluate transfer of Lake Powell and Lake Mead storage to groundwater aquifers 1 G 017 04 Glen Canyon Institute 1 1 1 1 1 Consider/evaluate specific mandatory conservation strategies tied to hydrologic predictions 1 G 017 05 Glen Canyon Institute 1 1 1 Consider/evaluate sustainable sediment management program for Lake Powell and Lake Mead 1 G 017 06 Glen Canyon Institute 1 1 1 1 1 Consider/evaluate minimum Grand Canyon flows of 8,000 cfs for protection of native fish 1 G 017 07 Glen Canyon Institute 1 1 1 1 1 1 Update Compact to reflect the Colorado River’s supply limitations and schanging societal demand 1 G 018 01 NOAH-UC Western Water Ass 1 1 1 Consider/evaluate including effects of climate variability and long-term trends in climate in analysis and future operations 2 G 2000 01 Sierra Club 1 Proposed process requires a full Environmental Impact Statement