JEFFCO.Jeffco_FEMA_ZoneDFloodplain

20160430 09075900 FALSE 20251121 08410000 20251121 08410000 Jeffco_FEMA_ZoneDFloodplain 002 3028733.158543 3082802.848632 1478404.506571 1635102.538647 1 Projected GCS_WGS_1984 <ProjectedCoordinateSystem xsi:type='typens:ProjectedCoordinateSystem' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xmlns:xs='http://www.w3.org/2001/XMLSchema' xmlns:typens='http://www.esri.com/schemas/ArcGIS/3.3.0'><WKT>PROJCS["WGS_1984_Web_Mercator_Auxiliary_Sphere",GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Mercator_Auxiliary_Sphere"],PARAMETER["False_Easting",0.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",0.0],PARAMETER["Standard_Parallel_1",0.0],PARAMETER["Auxiliary_Sphere_Type",0.0],UNIT["Meter",1.0],AUTHORITY["EPSG",3857]]</WKT><XOrigin>-20037700</XOrigin><YOrigin>-30241100</YOrigin><XYScale>10000</XYScale><ZOrigin>-100000</ZOrigin><ZScale>10000</ZScale><MOrigin>-100000</MOrigin><MScale>10000</MScale><XYTolerance>0.001</XYTolerance><ZTolerance>0.001</ZTolerance><MTolerance>0.001</MTolerance><HighPrecision>true</HighPrecision><WKID>102100</WKID><LatestWKID>3857</LatestWKID></ProjectedCoordinateSystem> WGS_1984_Web_Mercator_Auxiliary_Sphere Linear Unit: Meter (1.000000) 1.0 150000000 5000 ItemDescription ESRI ArcCatalog 9.3.1.4000 en P&Z's Kirk Hagaman used the National Hydrography Dataset (NHD) "flowline" feature class and FEMA guildlines to delineate zone D flood plain designations for portions of the County. For information, please contact Kirk at 303.271.8761.Data is in State Plane Grid Coordinates, Colorado Central Zone, NAD83. Zone D floodplain delineation for portions of Jefferson County, Colorado. U.S. Geological Survey in cooperation with U.S. Environmental Protection Agency, USDA Forest Service, and other Federal, State and local partners (see dataset specific metadata under Data_Set_Credit for details). See dataset specific metadata. JEFFCO.Jeffco_FEMA_ZoneDFloodplain JEFFCO.Jeffco_FEMA_ZoneDFloodplain vector digital data withheld Unknown Reston, Virginia U.S. Geological Survey See dataset specific metadata. 201412 In work Irregular -200 -56.8344239 143.165576 0 3028733.158543 3082802.848632 1478404.506571 1635102.538647 U.S. Department of the Interior, U.S. Geological Survey, 1999, Standards for National Hydrography Dataset (http://mapping.usgs.gov/standards/) FWHydrography Hydrography Stream / River Lake / Pond Canal / Ditch Reservoir Spring / Seep Swamp / Marsh Artificial Path Reach Code US U.S. Department of Commerce, 1977, Countries, dependencies, areas of special sovereignty, and their principal administrative divisions (Federal Information Processing Standards 10-3): Washington, D.C., National Institute of Standards and Technology. None. None. Acknowledgment of the originating agencies would be appreciated in products derived from these data. Feature Class Earth Science Information Center, U.S. Geological Survey 1 888 ASK USGS ask@usgs.gov 0800-1600 Eastern Time In addition to the address above there are other ESIC offices throughout the country. A full list of these offices is at URL: http://mapping.usgs.gov/esic/esic_index.html Credit Jefferson County Planning & Zoning (P&Z), U.S. Geological Survey, and Federal Emergency Management Agency (FEMA) in any use of this data. Esri ArcGIS 13.3.4.52636 Jeffco_FEMA_ZoneDFloodplain 002 3028733.158543 3082802.848632 1635102.538647 1478404.506571 1 -105.398684 -105.206244 39.577098 39.146557 1 1 -105.398684 -105.206244 39.577098 39.146557 Zone D floodplain delineation for portions of Jefferson County, Colorado. <DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>P&Z's Kirk Hagaman used the National Hydrography Dataset (NHD) "flowline" feature class and FEMA guildlines to delineate zone D flood plain designations for portions of the County. For information, please contact Kirk at 303.271.8761.</SPAN></P><P><SPAN>Data is in State Plane Grid Coordinates, Colorado Central Zone, NAD83.</SPAN></P></DIV></DIV></DIV> Credit Jefferson County Planning & Zoning (P&Z), U.S. Geological Survey, and Federal Emergency Management Agency (FEMA) in any use of this data. flood hydrographty plain zone floodplain <DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>None- use at your own risk.</SPAN></P></DIV></DIV></DIV> en FGDC Content Standards for Digital Geospatial Metadata FGDC-STD-001-1998 local time REQUIRED: The person responsible for the metadata information. Earth Science Information Center, U.S. Geological Survey mailing address Reston VA 20192

507 National Center

USA 1 888 ASK USGS. nhd@usgs.gov In addition to the address above there are other ESIC offices throughout the country. A full list of these offices is at URL: http://mapping.usgs.gov/esic/esic_index.html 20150113 ISO 19115 Geographic Information - Metadata DIS_ESRI1.0 dataset Downloadable Data ArcGIS Geodatabase 8.3 tar and uncompress 002 withheld Feature Class File Geodatabase Feature Class Vector Simple FALSE 0 TRUE FALSE GCS_North_American_1983 NAD_1983_StatePlane_Colorado_Central_FIPS_0502_Feet North American Datum of 1983 Geodetic Reference System 80 6378137.000000 298.257222 coordinate pair survey feet 0.000328 0.000328 Explicit elevation coordinate included with horizontal coordinates 1.000000 National Geodetic Vertical Datum of 1929 meters NAD_1983_StatePlane_Colorado_Central_FIPS_0502_Feet EPSG 6.18.3(9.3.1.2) 0 Jeffco_FEMA_ZoneDFloodplain Feature Class 0 OBJECTID OBJECTID OID 4 0 0 Internal feature number. ESRI Sequential unique whole numbers that are automatically generated. Shape Shape Geometry 0 0 0 Feature geometry. ESRI Coordinates defining the features. Underground Conduit 420 COMID 0 RESOLUTION Resolution Coded Value Default value Duplicate Integer 2 FLOWDIR 0 HydroFlowDirections Coded Value Default value Duplicate Integer FTYPE 420 FCODE 42000 Underground Conduit FCode Coded Value Default value Duplicate Integer ENABLED 1 EnabledDomain Coded Value Default value Default value SmallInteger StreamRiver 460 COMID 0 RESOLUTION Resolution Coded Value Default value Duplicate Integer 2 FLOWDIR 0 HydroFlowDirections Coded Value Default value Duplicate Integer FTYPE 460 FCODE 46006 StreamRiver FCode Coded Value Default value Duplicate Integer ENABLED 1 EnabledDomain Coded Value Default value Default value SmallInteger Pipeline 428 COMID 0 RESOLUTION Resolution Coded Value Default value Duplicate Integer 2 FLOWDIR 0 HydroFlowDirections Coded Value Default value Duplicate Integer FTYPE 428 FCODE 42805 Pipeline FCode Coded Value Default value Duplicate Integer ENABLED 1 EnabledDomain Coded Value Default value Default value SmallInteger ArtificialPath 558 COMID 0 RESOLUTION Resolution Coded Value Default value Duplicate Integer 2 FLOWDIR 0 HydroFlowDirections Coded Value Default value Duplicate Integer FTYPE 558 FCODE 55800 ArtificialPath FCode Coded Value Default value Duplicate Integer ENABLED 1 EnabledDomain Coded Value Default value Default value SmallInteger CanalDitch 336 COMID 0 RESOLUTION Resolution Coded Value Default value Duplicate Integer 2 FLOWDIR 0 HydroFlowDirections Coded Value Default value Duplicate Integer FTYPE 336 FCODE 33600 CanalDitch FCode Coded Value Default value Duplicate Integer ENABLED 1 EnabledDomain Coded Value Default value Default value SmallInteger Connector 334 COMID 0 RESOLUTION Resolution Coded Value Default value Duplicate Integer 2 FLOWDIR 0 HydroFlowDirections Coded Value Default value Duplicate Integer FTYPE 334 FCODE 33400 Connector FCode Coded Value Default value Duplicate Integer ENABLED 1 EnabledDomain Coded Value Default value Default value SmallInteger ACRES ACRES Double 8 0 0 Coastline 566 COMID 0 RESOLUTION Resolution Coded Value Default value Duplicate Integer 2 FLOWDIR 0 HydroFlowDirections Coded Value Default value Duplicate Integer FTYPE 566 FCODE 56600 Coastline FCode Coded Value Default value Duplicate Integer ENABLED 1 EnabledDomain Coded Value Default value Default value SmallInteger Shape_Length Shape_Length Double 8 0 0 Length of feature in internal units. Esri Positive real numbers that are automatically generated. Shape_Area Shape_Area Double 8 0 0 Area of feature in internal units squared. Esri Positive real numbers that are automatically generated. NHDFlowlineToMeta Relationship The National Hydrography Dataset is a comprehensive set of digital spatial data that encodes information about naturally occurring and constructed bodies of water, paths through which water flows, and related entities. The information encoded about features includes a feature date, classification by type, other characteristics, a unique common identifier, the feature length or area, and (rarely) elevation of the surface of water pools and a description of the stage of the elevation. For reaches, encoded information includes a reach code. Names and their identifiers in the Geographic Names Information System, are assigned to most feature types. The direction of flow is encoded for networked features. The data also contains relations that encode metadata, and information that supports the exchange of future updates and improvements to the data. The names and definitions of all feature types, characteristics, and values are in the Standards for National Hydrography Dataset: Reston, Virginia, U.S. Geological Survey, 1999. The document is available online through http://mapping.usgs.gov/standards/. The names and definitions of all feature types, characteristics, and values are in U.S. Geological Survey, 1999, Standards for National Hydrography Dataset High Resolution: Reston, Virginia, U.S. Geological Survey. The document is available online through http://mapping.usgs.gov/standards/. Information about tables and fields in the data are available from the user documentation for the National Hydrography Dataset at http://nhd.usgs.gov. The National Map - Hydrography Fact Sheet is also available at: http://erg.usgs.gov/isb/pubs/factsheets/fs06002.html. 20251121 Statements of attribute accuracy are based on accuracy statements made for U.S. Geological Survey Digital Line Graph (DLG) data, which is estimated to be 98.5 percent. One or more of the following methods were used to test attribute accuracy: manual comparison of the source with hardcopy plots; symbolized display of the DLG on an interactive computer graphic system; selected attributes that could not be visually verified on plots or on screen were interactively queried and verified on screen. In addition, software validated feature types and characteristics against a master set of types and characteristics, checked that combinations of types and characteristics were valid, and that types and characteristics were valid for the delineation of the feature. Feature types, characteristics, and other attributes conform to the Standards for National Hydrography Dataset (USGS, 1999) as of the date they were loaded into the database. All names were validated against a current extract from the Geographic Names Information System (GNIS). The entry and identifier for the names match those in the GNIS. The association of each name to reaches has been interactively checked, however, operator error could in some cases apply a name to a wrong reach. This statement is generally true for the most common sources of NHD data. Other sources and methods may have been used to create or update NHD data. In some cases, additional information may be found in the NHDMetadata table. Points, nodes, lines, and areas conform to topological rules. Lines intersect only at nodes, and all nodes anchor the ends of lines. Lines do not overshoot or undershoot other lines where they are supposed to meet. There are no duplicate lines. Lines bound areas and lines identify the areas to the left and right of the lines. Gaps and overlaps among areas do not exist. All areas close. The completeness of the data reflects the content of the sources, which most often are the published USGS topographic quadrangle and/or the USDA Forest Service Primary Base Series (PBS) map. The USGS topographic quadrangle is usually supplemented by Digital Orthophoto Quadrangles (DOQs). Features found on the ground may have been eliminated or generalized on the source map because of scale and legibility constraints. In general, streams longer than one mile (approximately 1.6 kilometers) were collected. Most streams that flow from a lake were collected regardless of their length. Only definite channels were collected so not all swamp/marsh features have stream/rivers delineated through them. Lake/ponds having an area greater than 6 acres were collected. Note, however, that these general rules were applied unevenly among maps during compilation. Reaches codes are defined on all features of type stream/river, canal/ditch, artificial path, coastline, and connector. Waterbody reach codes are defined on all lake/pond and most reservoir features. Names were applied from the GNIS database. Detailed capture conditions are provided for every feature type in the Standards for National Hydrography Dataset available online through http://mapping.usgs.gov/standards/. This statement is generally true for the most common sources of NHD data. Other sources and methods may have been used to create or update NHD data. In some cases, additional information may be found in the NHDMetadata table. Statements of horizontal positional accuracy are based on accuracy statements made for U.S. Geological Survey topographic quadrangle maps. These maps were compiled to meet National Map Accuracy Standards. For horizontal accuracy, this standard is met if at least 90 percent of points tested are within 0.02 inch (at map scale) of the true position. Additional offsets to positions may have been introduced where feature density is high to improve the legibility of map symbols. In addition, the digitizing of maps is estimated to contain a horizontal positional error of less than or equal to 0.003 inch standard error (at map scale) in the two component directions relative to the source maps. Visual comparison between the map graphic (including digital scans of the graphic) and plots or digital displays of points, lines, and areas, is used as control to assess the positional accuracy of digital data. Digital map elements along the adjoining edges of data sets are aligned if they are within a 0.02 inch tolerance (at map scale). Features with like dimensionality (for example, features that all are delineated with lines), with or without like characteristics, that are within the tolerance are aligned by moving the features equally to a common point. Features outside the tolerance are not moved; instead, a feature of type connector is added to join the features. This statement is generally true for the most common sources of NHD data. Other sources and methods may have been used to create or update NHD data. In some cases, additional information may be found in the NHDMetadata table. Statements of vertical positional accuracy for elevation of water surfaces are based on accuracy statements made for U.S. Geological Survey topographic quadrangle maps. These maps were compiled to meet National Map Accuracy Standards. For vertical accuracy, this standard is met if at least 90 percent of well-defined points tested are within one-half contour interval of the correct value. Elevations of water surface printed on the published map meet this standard; the contour intervals of the maps vary. These elevations were transcribed into the digital data; the accuracy of this transcription was checked by visual comparison between the data and the map. This statement is generally true for the most common sources of NHD data. Other sources and methods may have been used to create or update NHD data. In some cases, additional information may be found in the NHDMetadata table. The processes used to create and maintain high-resolution NHD data can be found in the table called "NHDMetadata". Because NHD data can be downloaded using several user-defined areas, the process descriptions can vary for each download. The NHDMetadata table contains a list of all the process descriptions that apply to a particular download. These process descriptions are linked using the DuuID to the NHDFeatureToMetadata table which contains the com_ids of all the features within the download. In addition, another table, the NHDSourceCitation, can also be linked through the DuuID to determine the sources used to create or update NHD data. 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