Name: HiRes_HydrologicUnits8
Display Field: STATE_NAME
Type: Feature Layer
Geometry Type: esriGeometryPolygon
Description: This data set is a complete digital hydrologic unit boundary layer of the Subbasin (8-digit) 4th level for the entire United States. This data set consists of geo-referenced digital data and associated attributes created in accordance with the "Federal Guidelines, Requirements, and Procedures for the National Watershed Boundary Dataset; Chapter 3 of Section A, Federal Standards, Book 11, Collection and Delineation of Spatial Data; Techniques and Methods 11-A3" (04/01/2009). http://www.nrcs.usda.gov/wps/portal/nrcs/detail/national/water/watersheds/?cid=nrcs143_021630 . Polygons are attributed with hydrologic unit codes for 4th level sub-basins, 5th level watersheds, 6th level subwatersheds, name, size, downstream hydrologic unit, type of watershed, non-contributing areas and flow modification. The data is currently updated through the USGS National Hydrography Dataset (NHD) Program and replicated to NRCS twice per year.
Copyright Text: Funding and support for the Watershed Boundary Dataset (WBD) were provided by the Natural Resources Conservation Service, the Environmental Protection Agency, and the United States Geological Survey. Representatives from the U.S. Geological Survey and Environmental Protection Agency contributed a substantial amount of time and salary towards quality review and updating of the dataset in order to meet the Federal Standards for Delineation of Hydrologic Unit Boundaries.
Min. Scale: 0
Max. Scale: 0
Default Visibility: false
Max Record Count: 1000
Supported query Formats: JSON, geoJSON, PBF
Use Standardized Queries: True
Extent:
XMin: -7115144.5739
YMin: -78232.4294999996
XMax: 3321616.0392
YMax: 6198297.5209
Spatial Reference: 102039 (102039)
Drawing Info:
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HasZ: false
HasM: false
Has Attachments: false
Has Geometry Properties: false
HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText
Object ID Field: OBJECTID
Unique ID Field:
IsSystemMaintained : True
Global ID Field:
Type ID Field:
Fields:
- OBJECTID (type: esriFieldTypeOID, alias: OBJECTID, SQL Type: sqlTypeOther, length: 0, nullable: false, editable: false)
- HUC8 (type: esriFieldTypeString, alias: HUC8, SQL Type: sqlTypeOther, length: 8, nullable: true, editable: true)
- STATE_NAME (type: esriFieldTypeString, alias: STATE_NAME, SQL Type: sqlTypeOther, length: 35, nullable: true, editable: true)
- STATE_FIPS (type: esriFieldTypeString, alias: STATE_FIPS, SQL Type: sqlTypeOther, length: 2, nullable: true, editable: true)
- STATE_ABBR (type: esriFieldTypeString, alias: STATE_ABBR, SQL Type: sqlTypeOther, length: 2, nullable: true, editable: true)
Templates:
Name: HiRes_HydrologicUnits8
Description:
Drawing Tool: esriFeatureEditToolPolygon
Prototype:
Is Data Versioned: false
Has Contingent Values: false
Supports Rollback On Failure Parameter: true
Last Edit Date: 7/20/2016 9:07:36 PM
Schema Last Edit Date: 7/20/2016 9:07:36 PM
Data Last Edit Date: 7/20/2016 9:07:36 PM
Supported Operations:
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