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eCFR

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Title 33

Displaying title 33, up to date as of 6/08/2026. Title 33 was last amended 6/08/2026.
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    Title 33 of the CFR
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The Code of Federal Regulations (CFR) is the official legal print publication containing the codification of the general and permanent rules published in the Federal Register by the departments and agencies of the Federal Government. The Electronic Code of Federal Regulations (eCFR) is a continuously updated online version of the CFR. It is not an official legal edition of the CFR.

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Title 33 Navigation and Navigable WatersPart / Section
Chapter I Coast Guard, Department of Homeland Security 1 – 199
Subchapter A General 1 – 27
Subchapter B Personnel 40 – 55
Subchapter C Aids to Navigation 60 – 76
Subchapter D International Navigation Rules 80.01 – 82
Subchapter E Inland Navigation Rules 83 – 90
Subchapter F Vessel Operating Regulations 95 – 97
Subchapter G Regattas and Marine Parades 100
Subchapter H Maritime Security 101 – 107
Subchapter I Anchorages 109 – 110
Subchapter J Bridges 114 – 118
Subchapter K Security of Vessels 120
Subchapter L Waterfront Facilities 125 – 128
Subchapter M Marine Pollution Financial Responsibility and Compensation 136 – 138
Subchapter N Outer Continental Shelf Activities 140 – 147
Subchapter NN Deepwater Ports 148 – 150
Subchapter O Pollution 151 – 159
Subchapter P Ports and Waterways Safety 160 – 169
Subchapters Q-R [Reserved]
Subchapter S Boating Safety 173 – 199
Chapter II Corps of Engineers, Department of the Army, Department of Defense200 – 399
Parts 200-202 [Reserved]
Part 203 Emergency Employment of Army and Other Resources, Natural Disaster Procedures 203.11 – 203.86
Part 207 Navigation Regulations 207.9 – 207.800
Part 208 Flood Control Regulations 208.10 – 208.82
Part 209 Administrative Procedure 209.50 – 209.345
Part 221 Work for Others 221.1
Part 222 Engineering and Design 222.2 – 222.6
Part 230 Procedures for Implementing NEPA 230.1 – 230.9
Part 234 Corps of Engineers Agency Specific Procedures to Implement the Principles, Requirements and Guidelines for Federal Investments in Water Resources 234.1 – 234.11
Part 238 Water Resources Policies and Authorities: Flood Damage Reduction Measures in Urban Areas 238.1 – 238.10
Part 241 Flood Control Cost-Sharing Requirements Under the Ability to Pay Provision 241.1 – 241.7
Part 242 Flood Plain Management Services Program Establishment of Fees for Cost Recovery 242.1 – 242.6
Part 245 Removal of Wrecks and Other Obstructions 245.1 – 245.60
Part 320 General Regulatory Policies 320.1 – 320.4
Part 321 Permits for Dams and Dikes in Navigable Waters of the United States 321.1 – 321.3
Part 322 Permits for Structures or Work in or Affecting Navigable Waters of the United States 322.1 – 322.5
Part 323 Permits for Discharges of Dredged or Fill Material into Waters of the United States 323.1 – 323.6
Part 324 Permits for Ocean Dumping of Dredged Material 324.1 – 324.4
Part 325 Processing of Department of the Army Permits 325.1 – 325.10
Part 326 Enforcement 326.1 – 326.6
Part 327 Public Hearings 327.1 – 327.11
Part 328 Definition of Waters of the United States 328.1 – 328.5
Part 329 Definition of Navigable Waters of the United States 329.1 – 329.16
Part 330 Nationwide Permit Program 330.1 – 330.6
Part 331 Administrative Appeal Process 331.1 – 331.12
Part 332 Compensatory Mitigation for Losses of Aquatic Resources 332.1 – 332.8
Part 333 Processing of Department of the Army Permits and 33 U.S.C. 408 Permissions, National Environmental Policy Act Implementing Procedures 333.1 – 333.71
Part 334 Danger Zone and Restricted Area Regulations 334.1 – 334.1490
Part 335 Operation and Maintenance of Army Corps of Engineers Civil Works Projects Involving the Discharge of Dredged or Fill Material into Waters of the U.S. or Ocean Waters 335.1 – 335.7
Part 336 Factors to Be Considered in the Evaluation of Army Corps of Engineers Dredging Projects Involving the Discharge of Dredged Material into Waters of the U.S. and Ocean Waters 336.0 – 336.2
Part 337 Practice and Procedure 337.0 – 337.10
Part 338 Other Corps Activities Involving the Discharge of Dredged Material or Fill into Waters of the U.S. 338.1 – 338.2
Part 384 Intergovernmental Review of Department of the Army Corps of Engineers Programs and Activities 384.1 – 384.13
Part 385 Programmatic Regulations for the Comprehensive Everglades Restoration Plan 385.1 – 385.40
Part 386 Credit Assistance for Water Resources Infrastructure Projects 386.1 – 386.15
Parts 387-399 [Reserved]
Chapter IV Great Lakes St. Lawrence Seaway Development Corporation, Department of Transportation400 – 499
Part 400 [Reserved]
Part 401 Seaway Regulations and Rules 401.1 – 401.206
Part 402 Tariff of Tolls 402.1 – 402.14
Part 403 Rules of Procedure of the Joint Tolls Review Board 403.1 – 403.11
Parts 404-499 [Reserved]
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