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Service Description: <div style='text-align:Left;'><div><div><p><span>This web service is a subset for New York State of the </span><a href='https://www.usgs.gov/3d-hydrography-program' target='_blank' style='text-decoration:underline;'><span>UGSS 3D Hydrography Program (3DHP)</span></a><span> with improvements started by New York State Geospatial Services. The most recent 2026 3DHP data was </span><a href='https://www.sciencebase.gov/catalog/item/6930876ed4be027594fed169' target='_blank' style='text-decoration:underline;'><span>downloaded</span></a><span> and data was reduced to data that intersected New York State. </span></p><p><span /></p><p><span>NYS Geospatial Services has begun improving data within 8 digit HUCs within the state. We prioritize areas to improved base around current plans for USGS 3DHP. Improvements within a HUC include reviewing all waterbodies to ensure they are still valid and spatially accurate. Where existing hydro-breaklines exist, we replace and/or add existing waterbodies with the newer geometry and append attributes were applicable. Currently the following HUCs have been updated: Hudson-Hoosic (02020003).</span></p><p><span /></p><p><span>NYS Hydrography Page: </span><a href='https://gis.ny.gov/hydrography' target='_blank' style='text-decoration:underline;'><span>https://gis.ny.gov/hydrography</span></a></p><p><span>Please contact NYS ITS Geospatial Services at </span><a href='mailto:nysgis@its.ny.gov' target='_blank' style='text-decoration:underline;'><span>nysgis@its.ny.gov</span></a><span> if you have any questions.</span></p></div></div></div>

All Layers and Tables

Has Versioned Data: false

MaxRecordCount: 2000

Supported Query Formats: JSON

Supports Query Data Elements: true

Layers:

• HUC 8 (1)
• Hydrography Area Labels (3)
• Hydrography Waterbody All (4)
• Hydrography Waterbody AreaSqKm >= .01 (5)
• Hydrography Waterbody AreaSqKm >= .25 (6)
• Hydrography Waterbody AreaSqKm >= .5 (7)
• Hydrography Waterbody AreaSqKm >= 5 (8)
• Hydrography Waterbody AreaSqKm >= 10 (9)
• Hydrography Flowline (10)

Description: This web service is a subset for New York State of the UGSS 3D Hydrography Program (3DHP) with improvements started by New York State Geospatial Services. The most recent 2026 3DHP data was downloaded and data was reduced to data that intersected New York State. NYS Geospatial Services has begun improving data within 8 digit HUCs within the state. We prioritize areas to improved base around current plans for USGS 3DHP. Improvements within a HUC include reviewing all waterbodies to ensure they are still valid and spatially accurate. Where existing hydro-breaklines exist, we replace and/or add existing waterbodies with the newer geometry and append attributes were applicable. Currently the following HUCs have been updated: Hudson-Hoosic (02020003).NYS Hydrography Page: https://gis.ny.gov/hydrographyPlease contact NYS ITS Geospatial Services at nysgis@its.ny.gov if you have any questions.

Service Item Id: 1e286751e9f14e82986b2cba6514bd70

Copyright Text: USGS; NYS Geospatial ITS Services

Spatial Reference: 102100  (3857)  LatestVCSWkid(0)


Initial Extent:

XMin: -8813027.325361433
YMin: 4701112.787658293
XMax: -8341289.901371045
YMax: 5911077.899717849
Spatial Reference: 102100  (3857)  LatestVCSWkid(0)

Full Extent:

XMin: -9292922.7726
YMin: 4775283.0940999985
XMax: -7991594.376700001
YMax: 5684152.958700001
Spatial Reference: 102100  (3857)  LatestVCSWkid(0)

Units: esriMeters

Document Info:

Title: NYS Hydrography
Author:
Comments: This web service is a subset for New York State of the UGSS 3D Hydrography Program (3DHP) with improvements started by New York State Geospatial Services. The most recent 2026 3DHP data was downloaded and data was reduced to data that intersected New York State. NYS Geospatial Services has begun improving data within 8 digit HUCs within the state. We prioritize areas to improved base around current plans for USGS 3DHP. Improvements within a HUC include reviewing all waterbodies to ensure they are still valid and spatially accurate. Where existing hydro-breaklines exist, we replace and/or add existing waterbodies with the newer geometry and append attributes were applicable. Currently the following HUCs have been updated: Hudson-Hoosic (02020003).NYS Hydrography Page: https://gis.ny.gov/hydrographyPlease contact NYS ITS Geospatial Services at nysgis@its.ny.gov if you have any questions.
Subject: This web service is a subset for New York State of the UGSS 3D Hydrography Program (3DHP) with improvements started by New York State Geospatial Services. The most recent 2026 3DHP data was downloaded and data was reduced to data that intersected New York State.
Category:
Keywords: Hydrography,USGS 3DHP,Water,New York
AntialiasingMode: null
TextAntialiasingMode: null

Enable Z Defaults: false

Supports ApplyEdits With Global Ids: false

Support True Curves : true

Only Allow TrueCurve Updates By TrueCurveClients : true

Supports Return Service Edits Option : false

Supports Dynamic Layers: false

Child Resources:   Info   Query Data Elements   Relationships   SharedTemplates

Supported Operations:   Query   Query Contingent Values   QueryDomains   Append   Extract Changes   Get Estimates