Pipeline Areas

Pipeline Areas are any area which contains one or more types of pipelines. Within protected waters such as harbors, rivers, bays, estuaries or other inland waterways, the location of pipelines is indicated as "Pipeline area" on National Oceanic and Atmospheric Administration (NOAA) nautical charts and maps. These areas found on the charts contain no other information as to the character or ownership of the installation. Engineers furnish copies of all permits issued for pipelines to NOAA, with their recommendation of whether or not the installation should be shown on the nautical charts. Decisions to publish these pipeline areas on nautical charts lie solely within NOAA’s discretion. The extent of the limits of the area is governed by local conditions but shall include the immediate area which overlies a pipeline. Ordinarily, the area will depict the full pipeline area but should not exceed 500 feet on each side of the location of the pipeline.

To support ocean planning activities pursuant to the Executive Order Regarding the Ocean Policy to Advance the Economic, Security, and Environmental Interests of the United States, the Energy Policy Act, the Rivers and Harbors Act, and the Coastal Zone Management Act.

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For coastal and ocean planning

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The attributes in this dataset are believed to be accurate. The NOAA ENC Direct to GIS data is derived from NOAA ENC's which conforms to the International Hydrographic Organization Transfer Standard for Digital Hydrographic Data, Special Publication S-57, ENC Product Specification Edition 2.0.

Maximum scale of intended use is 1:80,000. The NOAA ENC Direct to GIS data is derived from data that conforms to the International Hydrographic Organization Transfer Standard for Digital Hydrographic Data, Special Publication S-57, ENC Product Specification Edition2.0.

Spatial and attribute properties are believed to be complete, although attribute information has been simplified. Geometric thresholds from original data are preserved. No tests have been completed for exhaustiveness. NOAA ENC Direct to GIS data represents current coverage of all ENC Charts. As new NOAA ENCs and NOAA ENC editions are created they will be added to the NOAA ENC Direct to GIS data on the first of every month.

These data are believed to be logically consistent. Geometry is topologically clean. The NOAA ENC Direct data is derived from NOAA ENC's which conforms to the International Hydrographic Organization Transfer Standard for Digital Hydrographic Data, Special Publication S-57, ENC Product Specification Edition 2.0. NOAA ENC Direct to GIS data has added generalized nautical chart symbology to aid in the visualization of this data.