Short Citation:
Office for Coastal Management, 2021: Principal Ports,

Item Identification

Title: Principal Ports
Status: Completed
Publication Date: 2019-05-16

Principal Ports are defined by port limits or U.S. Army Corps of Engineers (USACE) projects, exclude non-USACE projects not authorized for publication. The determination for the published Principal Ports is based upon the total tonnage for the port for the particular year; therefore the top 150 list can vary from year to year. The Principal Port data contain port code, port name, and values for total, domestic, foreign, import and export tonnage.


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 National Environmental Policy Act, the Rivers and Harbors Act, and the Coastal Zone Management Act.

Supplemental Information:

Bureau Code: 006:48, Program Code: 006:055


Theme Keywords

Thesaurus Keyword
Global Change Master Directory (GCMD) Science Keywords Earth Science > Human Dimensions > Environmental Governance/Management
ISO 19115 Topic Category economy
ISO 19115 Topic Category oceans
ISO 19115 Topic Category transportation
None coastal
None planning
None renewable energy

Spatial Keywords

Thesaurus Keyword
Global Change Master Directory (GCMD) Location Keywords Continent > North America > United States of America
None Territorial Sea
None United States of America

Physical Location

City: Charleston
State/Province: SC

Data Set Information

Data Set Scope Code: Data Set
Maintenance Frequency: As Needed
Data Presentation Form: Map (digital)
Entity Attribute Overview:

portCode, portName, totalTonnage, domestic, foreign, import, export

Distribution Liability:

Data Set Credit: Bureau of Ocean Energy Management, NOAA Office for Coastal Management

Support Roles

Point of Contact

CC ID: 836779
Date Effective From: 2018-06
Date Effective To:
Contact (Organization): NOAA Office for Coastal Management (NOAA/OCM)
Address: 2234 South Hobson Ave
Charleston, SC 29405-2413
Email Address:
Phone: (843) 740-1202


Currentness Reference: Publication Date

Extent Group 1

Extent Group 1 / Geographic Area 1

CC ID: 836783
W° Bound: -180
E° Bound: -60
N° Bound: 75
S° Bound: 15

Extent Group 1 / Time Frame 1

CC ID: 836782
Time Frame Type: Discrete
Start: 2019-05-16

publication date

Access Information

Security Class: Unclassified
Data Use Constraints:

For coastal and ocean planning

Distribution Information

Distribution 1

CC ID: 836786
Download URL:

Data access URL

Data Quality



Horizontal Positional Accuracy:

Compiled to meet 10 meters horizontal accuracy at 95% confidence level

Completeness Report:


Conceptual Consistency:

These data are logically consistent



Principal Ports of the United States

CC ID: 836772
Contact Role Type: Originator
Contact Type: Organization
Contact Name: U.S. Army Corps of Engineers Navigation Data Center
Publish Date: 2018-01-01
Extent Type: Discrete
Extent Start Date/Time: 2018
Citation URL:
Citation URL Name: Source Online Linkage
Source Contribution:

Downloadable data

Process Steps

Process Step 1

CC ID: 836773

1) Acquire source: and download "pport16.xlsx"

2) Add spreadsheet into ArcMap and display XY Table projected in NAD83

3) Export into file geodatabase

4) Delete all excess

5) Check geometry

6) Project to CRS WKID :102100

Process Date/Time: 2019-02-01 00:00:00

Child Items

Rubric scores updated every 15m

Rubric Score Type Title
Entity (ENT) Principal Ports

Catalog Details

Catalog Item ID: 56124
Metadata Record Created By: Anna Verrill
Metadata Record Created: 2019-04-25 11:47+0000
Metadata Record Last Modified By: Daniel Martin
Metadata Record Last Modified: 2020-04-18 14:56+0000
Metadata Record Published: 2019-04-25
Owner Org: OCM
Metadata Publication Status: Published Externally
Do Not Publish?: N
Metadata Next Review Date: 2020-04-25