Name: Sewage No Discharge Zones (EPA)

Display Field: NAME

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: This geospatial dataset depicts sewage no-discharge zones established under Clean Water Act Section 312. The areas depicted are zones where the discharge of any sewage, treated or untreated, from vessels is prohibited. This layer was created using information from the corresponding Federal Register notice and is created for informational purposes, not to be used for enforcement. <br/> <br/> For more information on an individual NDZ, click anywhere within the NDZ’s colored polygon on the map to bring up a pop-up box with the date and type of designation, as well as a written description of the NDZ boundaries. <br/> <br/> For more information and to view the national data layer, vist the EPA's <a href="https://experience.arcgis.com/experience/81920d30cc084f13968ac3d33cdb0f58/page/Page?views=Legend" target="_blank">Sewage No-Discharge Zone Web Map</a> and information <a href="https://www.epa.gov/vessels-marinas-and-ports/no-discharge-zones-map" target="_blank">web page</a> . <br/> <br/> Layer Last Edited on: Fri Apr 04 2025

Definition Expression: N/A

Copyright Text: US EPA Office of Water

Default Visibility: false

MaxRecordCount: 1000

Supported Query Formats: JSON, AMF, geoJSON

Min Scale: 0

Max Scale: 0

Supports Advanced Queries: true

Supports Statistics: true

Has Labels: true

Can Modify Layer: false

Can Scale Symbols: false

Use Standardized Queries: true

Extent:

XMin: -1.3856592384300001E7
YMin: 2803497.791200001
XMax: -7590646.8543
YMax: 6275219.590800002
Spatial Reference: 102100  (3857)

Drawing Info:

Renderer:
Simple Renderer:
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Label:
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Transparency: 40
Labeling Info:
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Label Expression: [NAME]
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Advanced Query Capabilities:

Supports Statistics: true
Supports OrderBy: true
Supports Distinct: true
Supports Pagination: true
Supports TrueCurve: true

HasZ: false

HasM: false

Has Attachments: false

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Type ID Field: null

Fields:

• OBJECTID ( type: esriFieldTypeOID , alias: OBJECTID )
• NAME ( type: esriFieldTypeString , alias: NAME , length: 255 )
• State ( type: esriFieldTypeString , alias: State , length: 255 )
• Type_of_Designation ( type: esriFieldTypeString , alias: Type of Designation , length: 255 )
• URL_of_Federal_Register_Notice ( type: esriFieldTypeString , alias: URL of Federal Register Notice , length: 255 )
• Date_of_EPA_Determination ( type: esriFieldTypeDate , alias: Date of EPA Determination , length: 8 )
• Description_of_Waterbody ( type: esriFieldTypeString , alias: Description of Waterbody , length: 502 )
• URL_of_Metadata ( type: esriFieldTypeString , alias: URL of Metadata , length: 255 )
• EPA_Region ( type: esriFieldTypeString , alias: EPA Region , length: 255 )
• AGOL_Title ( type: esriFieldTypeString , alias: AGOL Title , length: 200 )
• Shape__Area ( type: esriFieldTypeDouble , alias: Shape__Area )
• Shape__Length ( type: esriFieldTypeDouble , alias: Shape__Length )
• Shape ( type: esriFieldTypeGeometry , alias: Shape )
• Shape_Length ( type: esriFieldTypeDouble , alias: Shape_Length )
• Shape_Area ( type: esriFieldTypeDouble , alias: Shape_Area )

Supported Operations:   Query   Generate Renderer   Return Updates