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Curecanti National Recreation Area: Personal Watercraft Use Enviornmental Assessment
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Curecanti National Recreation Area: Personal Watercraft Use Enviornmental Assessment
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Last modified
7/19/2010 12:48:59 PM
Creation date
7/16/2010 1:41:09 PM
Metadata
Fields
Template:
Water Supply Protection
Description
Colorado River Water Projects: Aspinall Storage Unit, Environmental Studies
State
CO
Basin
Gunnison
Water Division
4
Date
4/1/2003
Author
National Park Service
Title
Curecanti National Recreation Area: Personal Watercraft Use Enviornmental Assessment
Water Supply Pro - Doc Type
Report/Study
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Contents <br />TABLES <br />A: Summary of the Impact Analysis .......................................................................... ............................... v <br />1: National PWC Registration Trend ......................................................................... ..............................7 <br />2: Nationwide PWC Estimates and Accident Statistics ............................................. .............................13 <br />3: Summary of Alternatives ..................................................................................... ............................... 37 <br />4: Summary of Environmental Consequences ......................................................... ............................... 39 <br />5: Analysis of How Alternatives Meet Objectives .................................................. ............................... 44 <br />1 6: State of Colorado Water Quality Standards for Organic Chemicals ................... ............................... 53 <br />7: National and Colorado Ambient Air Quality Standards ...................................... ............................... 54 <br />` 8: Sound Level Comparison Chart .......................................................................... ............................... 56 <br />9: Federal and State Listed Wildlife Identified in the Vicinity of Curecanti National <br />RecreationArea ..................................................................................................... .............................60 <br />10: Average Annual Visitation at Curecanti National Recreation Area, 1995- 2001 ............................... 64 <br />11: Daily and Annual Watercraft Use ....................................................................... ............................... 76 <br />12: Colorado Boat and PWC Registration Statistics ................................................. ............................... 76 <br />13: Colorado Preliminary Population Projections Average Annual Percent Change ............................... 77 <br />14: Watercraft Projections — Peak Daily Use ............................................................ ............................... 78 <br />15: State of Colorado Water Quality Standards for Organic Chemicals ................... ............................... 80 <br />16: Ecotoxicological Benchmarks and Human Health Criteria for Organic Chemicals .......................... 80 <br />17: Estimated EPA Reductions in Watercraft Emissions ............................................ .............................81 <br />18: Threshold Water Volumes Needed to Dilute PWC Emissions, Alternatives A and B ....................... 84 <br />19: Distribution of Vessel Type During Peak Use Days ........................................... ............................... 85 <br />20: Threshold Water Volumes Needed to Dilute All Vessel Emissions, Alternatives A and B .............. 86 <br />21: Threshold Water Volumes Needed to Dilute All Vessel Emissions, No- Action Alternative ............ 88 <br />22: PWC Emissions and Human Health Impact Levels, Alternative A .................... ............................... 95 <br />23: PWC and Motorized Boat Emissions and Human Health Impact Levels, <br />AlternativesA and B ........................................................................................... ............................... 95 <br />24: Motorized Boat Emissions and Human Health Impact Levels, No- Action Alternative ..................... 96 <br />25: Air Quality Related Impacts from PWC Emissions, Alternative A ...................... .............................99 <br />26: Air Quality Related Impacts from PWC And Motorized Boat Emissions, Alternative A ................. 99 <br />27: Air Quality Related Impacts from Motorized Boat Emissions, No- Action Alternative ...................101 <br />28: Socioeconomic Impact of Alternatives on User Groups ....... ............................... ............................141 <br />xiii <br />
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