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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>

Map Name: NYS Hydrography

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Layers:

• NYS Hydrography (0)
  • HUC 8 (1)
  • Hydrography Waterbody (2)
    • 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: 6c80848374a7411f9a5a1347b6c30652

Copyright Text: USGS; NYS Geospatial ITS Services

Spatial Reference: 102100  (3857)  LatestVCSWkid(0)


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Spatial Reference: 102100  (3857)  LatestVCSWkid(0)

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Spatial Reference: 102100  (3857)  LatestVCSWkid(0)

Units: esriMeters

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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
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