Datasets > Pennsylvania > 2025-present

Caution Area Locations USACE IENC [Pennsylvania]

Pennsylvania Spatial Data Access (PASDA) · 2025 Full Details

Full Details

Title
Caution Area Locations USACE IENC [Pennsylvania]
Description
Generally, an area where the mariner has to be made aware of circumstances influencing the safety of navigation. Distinction: wrecks, underwater rocks, obstructions, unsurveyed area. The USACE IENCs coverage area consists of 7,260 miles across 21 rivers primarily located in the Central United States. IENCs apply to inland waterways that are maintained for navigation by USACE for shallow-draft vessels (e.g., maintained at a depth of 9-14 feet, dependent upon the waterway project authorization). Generally, IENCs are produced for those commercially navigable waterways which the National Oceanic and Atmospheric Administration (NOAA) does not produce Electronic Navigational Charts (ENCs). However, Special Purpose IENCs may be produced in agreement with NOAA. Users should be aware that the IENCs reflect best available information at the time the data was collected. These data products are subject to change.
Creator
Homeland Infrastructure Foundation Level Data HIFLD
Publisher
Pennsylvania Spatial Data Access (PASDA)
Date Issued
2025
Access Rights
Public
Format
File
Language
English
Date Added
November 16, 2025
Provenance Statement
The metadata for this resource was last retrieved from PASDA on 2025-11-16.

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Cite and Reference

  • Citation
    Homeland Infrastructure Foundation Level Data HIFLD (2025). Caution Area Locations USACE IENC [Pennsylvania]. Pennsylvania Spatial Data Access (PASDA). https://www.pasda.psu.edu/uci/DataSummary.aspx?dataset=9025 (dataset)
  • BTAA Geoportal Link

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