2011 Douglas County Master Plan Volume Ii Existing
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2011 DOUGLAS COUNTY MASTER PLAN VOLUME II EXISTING CONDITIONS Volume II Page ii Table of Contents Volume II Page Chapter 1: Douglas County Profile Location ........................................................................................................................... 1-1 Population ........................................................................................................................ 1-2 Housing ........................................................................................................................... 1-7 Economy .......................................................................................................................... 1-8 Chapter 2: Population Population Growth........................................................................................................... 2-1 Race and Ethnicity ........................................................................................................... 2-3 Douglas County Demographic Characteristics................................................................ 2-3 Economic Activity ........................................................................................................... 2-7 Future Population Growth................................................................................................ 2-8 Chapter 3: Land Use Land Area......................................................................................................................... 3-1 Future Land Use............................................................................................................... 3-3 Zoning Districts ............................................................................................................... 3-3 Population Density........................................................................................................... 3-5 Chapter 4: Housing Housing Units in Douglas County ................................................................................... 4-1 Subsidized Housing Inventory in Douglas County.......................................................... 4-2 Supportive, Transitional and Temporary Emergency Housing ....................................... 4-3 Household Tenure............................................................................................................ 4-4 Affordable Housing Defined............................................................................................ 4-5 Ownership Affordability in Douglas County................................................................. 4-16 Homebuyer Assistance Programs in Douglas County................................................... 4-22 Affordable Housing Barriers and Impediments to Fair Housing................................... 4-23 Housing Demand by Income and Tenure ...................................................................... 4-27 Chapter 5: Transportation Streets and Highways....................................................................................................... 5-1 Tahoe Transportation District........................................................................................ 5-10 Transportation Revenues ............................................................................................... 5-13 Minden-Tahoe Airport................................................................................................... 5-14 Douglas County Trails ................................................................................................... 5-15 2011 DOUGLAS COUNTY MASTER PLAN Volume II Page iii Chapter 6: Growth Management Introduction...................................................................................................................... 6-1 Receiving Areas............................................................................................................... 6-1 Sending Areas .................................................................................................................. 6-4 Carson Valley...................................................................................................................6-7 Topaz.............................................................................................................................. 6-10 Issues.............................................................................................................................. 6-10 Chapter 7: Environmental Resources and Conservation Air Quality ....................................................................................................................... 7-1 Geology/Seismic.............................................................................................................. 7-1 Soils.................................................................................................................................. 7-9 Slopes-Hillsides-Ridgelines........................................................................................... 7-16 Climate........................................................................................................................... 7-23 Flooding and Drainage................................................................................................... 7-24 Carson River Tributary Basin Flooding........................................................................ 7-32 Federal Emergency Management Agency Floodplains ................................................. 7-33 Flooding Frequency ....................................................................................................... 7-36 Flood Insurance Rate Map Description ......................................................................... 7-36 Flood Insurance Zones................................................................................................... 7-36 Carson River Flood Management .................................................................................. 7-37 Tributary Basin Floodplain Management ...................................................................... 7-38 Alluvial Fan Floodplain Management ........................................................................... 7-42 Development Considerations......................................................................................... 7-44 Point and Non-Point Pollution....................................................................................... 7-44 Potential Wetlands ......................................................................................................... 7-45 Water Resources ............................................................................................................ 7-45 Water Quality................................................................................................................. 7-46 Carson Valley (Carson River Basin).............................................................................. 7-47 Antelope Valley (Topaz Lake and West Walker River Basin)...................................... 7-48 Water Quantity............................................................................................................... 7-49 Carson Valley (Carson River Basin).............................................................................. 7-49 Antelope Valley (Topaz Lake and West Walker River Basin)...................................... 7-51 Water Rights and Ground Water Pumping .................................................................... 7-52 Wildlife/Vegetation........................................................................................................ 7-55 Energy............................................................................................................................ 7-60 Noise .............................................................................................................................. 7-62 Chapter 8: Public Services and Facilities Element (2007)............................................... 8-1 2011 DOUGLAS COUNTY MASTER PLAN Volume II Page iv List of Figures Page Figure 1.1 Douglas County Population 1900 to Present ........................................... 1-2 Figure 1.2 Population Growth by Decade................................................................. 1-2 Figure 1.3 2010 Age Compositions........................................................................... 1-4 Figure 1.4 2010 Educational Attainment .................................................................. 1-6 Figure 1.5 Douglas County Housing Inventory ........................................................ 1-7 Figure 1.6 Household Tenure in Douglas County and Surrounding Jurisdictions.... 1-7 Figure 1.7 Unemployment Rate in Douglas County, Nevada, and United States..... 1-8 Figure 1.8 Percentage of Employees by Industry...................................................... 1-9 Figure 1.9 2005-2010 Employment by Industry ..................................................... 1-10 Figure 1.10 Commuting Patterns............................................................................... 1-10 Figure 1.11 Largest Employers in Douglas County.................................................. 1-11 Figure 1.12 Number of Douglas County Employers Ranked by Size....................... 1-12 Figure 1.13 Median Household Income Trend 2002-2009 ....................................... 1-13 Figure 2.1 Douglas County Population Growth: 2000-2010 .................................... 2-1 Figure 2.2 Population Change in Douglas County and Douglas