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Service Description: The intent of defining Hydrologic Units (HU) within the Watershed Boundary Dataset is to establish a base-line drainage boundary framework, accounting for all land and surface areas. Hydrologic units are intended to be used as a tool for water-resource management and planning activities particularly for site-specific and localized studies requiring a level of detail provided by large-scale map information. The WBD complements the National Hydrography Dataset (NHD) and supports numerous programmatic missions and activities including: watershed management, rehabilitation and enhancement, aquatic species conservation strategies, flood plain management and flood prevention, water-quality initiatives and programs, dam safety programs, fire assessment and management, resource inventory and assessment, water data analysis and water census.

Map Name: wbd

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Layers:

• 2-digit HU (Region) (0)
• 4-digit HU (Subregion) (1)
• 6-digit HU (Basin) (2)
• 8-Digit HU (Subbasin) (3)
• 10-digit HU (Watershed) (4)
• 12-digit HU (Subwatershed) (5)

Description: The intent of defining Hydrologic Units (HU) within the Watershed Boundary Dataset is to establish a base-line drainage boundary framework, accounting for all land and surface areas. Hydrologic units are intended to be used as a tool for water-resource management and planning activities particularly for site-specific and localized studies requiring a level of detail provided by large-scale map information. The WBD complements the National Hydrography Dataset (NHD) and supports numerous programmatic missions and activities including: watershed management, rehabilitation and enhancement, aquatic species conservation strategies, flood plain management and flood prevention, water-quality initiatives and programs, dam safety programs, fire assessment and management, resource inventory and assessment, water data analysis and water census.

Service Item Id: 08b1300d22354d0c86bc5ece97d76a43

Copyright Text: U.S. Department of Agriculture - Natural Resource Conservation Service

Spatial Reference: 4269  (4269)


Single Fused Map Cache: false

Initial Extent:

XMin: -105.7737994914557
YMin: 32.88935801291783
XMax: -104.9550269593495
YMax: 33.61394092290957
Spatial Reference: 4269  (4269)

Full Extent:

XMin: -115.70609766834127
YMin: 25.430265749068838
XMax: -90.14300304447866
YMax: 41.642024731196614
Spatial Reference: 4269  (4269)

Units: esriDecimalDegrees

Supported Image Format Types: PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP

Document Info:

Title: National Watershed Boundary Dataset (WBD)
Author:
Comments: The intent of defining Hydrologic Units (HU) within the Watershed Boundary Dataset is to establish a base-line drainage boundary framework, accounting for all land and surface areas. Hydrologic units are intended to be used as a tool for water-resource management and planning activities particularly for site-specific and localized studies requiring a level of detail provided by large-scale map information. The WBD complements the National Hydrography Dataset (NHD) and supports numerous programmatic missions and activities including: watershed management, rehabilitation and enhancement, aquatic species conservation strategies, flood plain management and flood prevention, water-quality initiatives and programs, dam safety programs, fire assessment and management, resource inventory and assessment, water data analysis and water census.
Subject: The Watershed Boundary Dataset (WBD) is a comprehensive aggregated collection of hydrologic unit data.
Category:
Keywords: inlandWaters,Watershed Boundary Dataset,WBD,Hydrologic Units,Hydrologic Unit Code,HUC,Region,Sub-region,Basin,Sub-basin,Watershed,Subwatershed,2-digit,4-digit,6-digit,8-digit,10-digit,12-digit
AntialiasingMode: Fast
TextAntialiasingMode: Force

Supports Dynamic Layers: true

MaxRecordCount: 2000

MaxImageHeight: 4096

MaxImageWidth: 4096

Supported Query Formats: JSON, geoJSON, PBF

Supports Query Data Elements: true

Min Scale: 10000000

Max Scale: 0

Supports Datum Transformation: true



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