Layer: Sub Basins (ID:14)

View In: Map Viewer

Name: Sub Basins

Display Field: HUC_8_NAME

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: This dataset is a complete digital hydrologic unit boundary layer to the sub-watershed (12-digit) 6th level at 1:24,000 scale. This data set consists of geo-referenced digital data and associated attributes created in accordance with the "FGDC Proposal, Version 1.0 - Federal Standards For Delineation of Hydrologic Unit Boundaries 3/01/02 (http://www.ncgc.nrcs.usda.gov/products/datasets/watershed/index.html ). The hydrologic unit boundaries provide a uniquely identified and uniform method of subdividing large drainage areas. Polygons are attributed with hydrologic unit codes, names, downstream hydrologic unit, flow modifications, and hydrologic unit type for 4th level (8-digit) sub-basin, 5th level (10-digit) watershed, 6th level (12-digit) subwatershed, and acres for subwatershed. An accompanying line shapefile is attributed with the highest hydrologic unit level for each hydrologic unit, linesource, and a metadata reference file. A text document that is provided with the data called Watershed Boundary Dataset (WBD) User Guide provides information on the methodology used to delineate the hydrologic units and provides definition for all the attributes. The smaller sized 6th level (12 digit) sub-watersheds (most within 10,000 to 40,000 acres) are useful for numerous application programs supported by a variety of local, State, and Federal Agencies. This data set is 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. For additional information on Watershed Boundary Dataset (WBD) see the following: http://www.ncgc.nrcs.usda.gov/products/datasets/watershed/index.html

Copyright Text:

Min. Scale: 0

Max. Scale: 0

Default Visibility: false

Max Record Count: 2000

Supported query Formats: JSON, geoJSON, PBF

Use Standardized Queries: True

Extent:

Drawing Info:

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HasZ: false

HasM: false

Has Attachments: false

Has Geometry Properties: true

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Object ID Field: OBJECTID

Unique ID Field:

Global ID Field:

Type ID Field: HUC_8_NAME

Fields:

OBJECTID (type: esriFieldTypeOID, alias: OBJECTID, SQL Type: sqlTypeOther, length: 0, nullable: false, editable: false)
HUC_8_NAME (type: esriFieldTypeString, alias: HUC_8_NAME, SQL Type: sqlTypeOther, length: 50, nullable: true, editable: true)
Shape__Area (type: esriFieldTypeDouble, alias: Shape__Area, SQL Type: sqlTypeDouble, nullable: true, editable: false)
Shape__Length (type: esriFieldTypeDouble, alias: Shape__Length, SQL Type: sqlTypeDouble, nullable: true, editable: false)

Types:

HUC_8_NAME: Central Laguna Madre

HUC_8_NAME: Los Olmos

HUC_8_NAME: Lower Rio Grande

HUC_8_NAME: South Laguna Madre

Is Data Versioned: false

Has Contingent Values: false

Supports Rollback On Failure Parameter: true

Last Edit Date: 7/12/2022 8:03:36 PM

Schema Last Edit Date: 7/12/2022 8:03:36 PM

Data Last Edit Date: 7/12/2022 8:03:36 PM

Supported Operations: Query Query Top Features Query Analytic Query Bins Generate Renderer Validate SQL Get Estimates ConvertFormat