Name: NHD Waterbodies

Display Field: GNIS_Name

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: This is a Washington State extract downloaded from the USGS in February 2018 and projected into WA State Plane Coordinates South. Strahler Stream Order has been added. The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface water drainage system. This high-resolution NHD, generally is developed at 1:24,000/1:12,000 scale, but many areas of Washington State have been improved to 1:4800 scale. NHD data was originally developed at 1:100,000-scale and exists at that scale for the whole country. Local resolution NHD is being developed where partners and data exist. The NHD contains reach codes for networked features, flow direction, names, and centerline representations for areal water bodies. Reaches are also defined on waterbodies and the approximate shorelines of the Great Lakes, the Atlantic and Pacific Oceans and the Gulf of Mexico. The NHD also incorporates the National Spatial Data Infrastructure framework criteria established by the Federal Geographic Data Committee. Stream Orders in Washington State range from 1 to 10. The smallest headwater streams are a 1, and the Columbia River is a 10.

Copyright Text:

Min. Scale: 0

Max. Scale: 0

Default Visibility: true

Max Record Count: 2000

Supported query Formats: JSON, geoJSON, PBF

Use Standardized Queries: True

Extent:

XMin: 1011441.0608491
YMin: 536423.87923798
XMax: 1151159.2135735
YMax: 681159.545606688
Spatial Reference: 2927 (2927)

Drawing Info:

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HasZ: true

HasM: false

Has Attachments: false

Has Geometry Properties: true

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Object ID Field: OBJECTID

Unique ID Field:

Name : OBJECTID

IsSystemMaintained : True

Global ID Field:

Type ID Field:

Fields:

• OBJECTID (type: esriFieldTypeOID, alias: OBJECTID, SQL Type: sqlTypeOther, length: 0, nullable: false, editable: false)
• Permanent_Identifier (type: esriFieldTypeString, alias: Permanent_Identifier, SQL Type: sqlTypeOther, length: 40, nullable: false, editable: true)
• FDate (type: esriFieldTypeDate, alias: FDate, SQL Type: sqlTypeOther, length: 8, nullable: false, editable: true)
• Resolution (type: esriFieldTypeInteger, alias: Resolution, SQL Type: sqlTypeOther, nullable: false, editable: true)
• GNIS_ID (type: esriFieldTypeString, alias: GNIS_ID, SQL Type: sqlTypeOther, length: 10, nullable: true, editable: true)
• GNIS_Name (type: esriFieldTypeString, alias: GNIS_Name, SQL Type: sqlTypeOther, length: 65, nullable: true, editable: true)
• AreaSqKm (type: esriFieldTypeDouble, alias: AreaSqKm, SQL Type: sqlTypeOther, nullable: true, editable: true)
• Elevation (type: esriFieldTypeDouble, alias: Elevation, SQL Type: sqlTypeOther, nullable: true, editable: true)
• ReachCode (type: esriFieldTypeString, alias: ReachCode, SQL Type: sqlTypeOther, length: 14, nullable: true, editable: true)
• FType (type: esriFieldTypeInteger, alias: FType, SQL Type: sqlTypeOther, nullable: false, editable: true)
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Templates:

Name: NHD Waterbodies
Description:
Drawing Tool: esriFeatureEditToolPolygon
Prototype:

Attributes:

• FCode: 39004
• VisibilityFilter: 0
• Permanent_Identifier:
• FDate: -2209161600000
• Resolution: 0
• FType: 390

Is Data Versioned: false

Has Contingent Values: false

Supports Rollback On Failure Parameter: true

Last Edit Date: 7/14/2021 5:42:36 PM

Schema Last Edit Date: 7/14/2021 5:42:36 PM

Data Last Edit Date: 7/14/2021 5:42:36 PM

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