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Navigable Waterway Network Lines

Metadata Updated: July 17, 2025

The Navigable Waterway Network Lines dataset is periodically updated by the United States Army Corp of Engineers (USACE) and is part of the U.S. Department of Transportation (USDOT)/Bureau of Transportation Statistics (BTS) National Transportation Atlas Database (NTAD). The National Waterway Network (Lines) is a comprehensive network database of the Nation's navigable waterways. The dataset covers the 48 contiguous states plus the District of Columbia, Hawaii, Alaska, Puerto Rico and water links between. It consists of a line feature class of the National Waterway Network (NWN), which is based on a route feature class for the NWN update regions (“1” through “7”, as well as the open ocean region “0”) and route event table with linear referencing system measures for NWN links. This dataset is a feature class with associated measures (in miles) that are used for finding distances, locating features, and displaying route event layers. It was exported from this route event layer. The nominal scale of the dataset varies with the source material. The majority of the information is at 1:100,000 with larger scales used in harbor/bay/port areas and smaller scales used in open waters. These data could be used for analytical studies of waterway performance, for compiling commodity flow statistics, and for mapping purposes. A data dictionary, or other source of attribute information, is accessible at https://doi.org/10.21949/1529053

Access & Use Information

License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

Downloads & Resources

Dates

Metadata Date July 16, 2025
Metadata Created Date August 3, 2024
Metadata Updated Date July 17, 2025
Reference Date(s) July 1, 1995 (creation)
Frequency Of Update unknown

Metadata Source

Harvested from National Transportation Atlas Database (NTAD) Metadata

Additional Metadata

Resource Type Dataset
Metadata Date July 16, 2025
Metadata Created Date August 3, 2024
Metadata Updated Date July 17, 2025
Reference Date(s) July 1, 1995 (creation)
Responsible Party United States Army Corp of Engineers (USACE) (Point of Contact)
Contact Email
Guid Navigable Waterway Network Lines
Category Tag 16E15F51 D96E 4051 9124 75665Abdc6Ff ["Water"]
Access Constraints Access Constraints: unrestricted
Bbox East Long 180
Bbox North Lat 72.199719999999999
Bbox South Lat -56.022125449999997
Bbox West Long -180
Coupled Resource
Frequency Of Update unknown
Harvest Object Id 8ac74213-1b09-41e8-acda-99f6be4d3841
Harvest Source Id ee45e034-47c1-4a61-a3ec-de75031e6865
Harvest Source Title National Transportation Atlas Database (NTAD) Metadata
Licence This NTAD dataset is a work of the United States government as defined in 17 U.S.C. § 101 and as such are not protected by any U.S. copyrights. This work is available for unrestricted public use.
Lineage
Metadata Language eng; USA
Metadata Type geospatial
Old Spatial {"type": "Polygon", "coordinates": [[[-180.0, -56.02212545], [180.0, -56.02212545], [180.0, 72.19972], [-180.0, 72.19972], [-180.0, -56.02212545]]]}
Progress onGoing
Spatial Data Service Type
Spatial Reference System
Spatial Harvester True

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