Name: National Wetlands Inventory NWI

Display Field: ATTRIBUTE

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: This data set represents the extent, approximate location and type of wetlands and deepwater habitats in the conterminous United States. These data delineate the areal extent of wetlands and surface waters as defined by Cowardin et al. (1979). Certain wetland habitats are excluded from the National mapping program because of the limitations of aerial imagery as the primary data source used to detect wetlands. These habitats include seagrasses or submerged aquatic vegetation that are found in the intertidal and subtidal zones of estuaries and near shore coastal waters. Some deepwater reef communities (coral or tuberficid worm reefs) have also been excluded from the inventory. These habitats, because of their depth, go undetected by aerial imagery. By policy, the Service also excludes certain types of "farmed wetlands" as may be defined by the Food Security Act or that do not coincide with the Cowardin et al. definition. Contact the Service's Regional Wetland Coordinator for additional information on what types of farmed wetlands are included on wetland maps.

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:

XMin: 7353988.40977689
YMin: 373714.78805775
XMax: 7901075.63615486
YMax: 930808.321850392
Spatial Reference: 2913 (2913)

Drawing Info:

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HasZ: false

HasM: false

Has Attachments: false

Has Geometry Properties: true

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Object ID Field: FID

Unique ID Field:

Name : FID

IsSystemMaintained : True

Global ID Field:

Type ID Field: WETLAND_TY

Fields:

• FID (type: esriFieldTypeOID, alias: FID, SQL Type: sqlTypeOther, length: 0, nullable: false, editable: false)
• ATTRIBUTE (type: esriFieldTypeString, alias: ATTRIBUTE, SQL Type: sqlTypeOther, length: 20, nullable: true, editable: true)
• WETLAND_TY (type: esriFieldTypeString, alias: WETLAND_TY, 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)
• AREA (type: esriFieldTypeDouble, alias: AREA, SQL Type: sqlTypeOther, nullable: true, editable: true)

Types:

ID: Freshwater Emergent Wetland
Name: Freshwater Emergent Wetland
Domains:

Templates:

Name: Freshwater Emergent Wetland
Description:
Drawing Tool: esriFeatureEditToolPolygon
Prototype:

Attributes:

• WETLAND_TY: Freshwater Emergent Wetland

---

ID: Freshwater Forested/Shrub Wetland
Name: Freshwater Forested/Shrub Wetland
Domains:

Templates:

Name: Freshwater Forested/Shrub Wetland
Description:
Drawing Tool: esriFeatureEditToolPolygon
Prototype:

Attributes:

• WETLAND_TY: Freshwater Forested/Shrub Wetland

---

ID: Freshwater Pond
Name: Freshwater Pond
Domains:

Templates:

Name: Freshwater Pond
Description:
Drawing Tool: esriFeatureEditToolPolygon
Prototype:

Attributes:

• WETLAND_TY: Freshwater Pond

---

ID: Lake
Name: Lake
Domains:

Templates:

Name: Lake
Description:
Drawing Tool: esriFeatureEditToolPolygon
Prototype:

Attributes:

• WETLAND_TY: Lake

---

ID: Riverine
Name: Riverine
Domains:

Templates:

Name: Riverine
Description:
Drawing Tool: esriFeatureEditToolPolygon
Prototype:

Attributes:

• WETLAND_TY: Riverine

---

Is Data Versioned: false

Has Contingent Values: false

Supports Rollback On Failure Parameter: true

Last Edit Date: 2/1/2024 3:54:58 PM

Schema Last Edit Date: 2/1/2024 3:54:58 PM

Data Last Edit Date: 2/1/2024 5:51:14 AM

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