33 USC § 405 - Establishment and modification of harbor lines on Potomac and Anacostia Rivers

---
identifier: "/us/usc/t33/s405"
source: "usc"
legal_status: "official_prima_facie"
title: "33 USC § 405 - Establishment and modification of harbor lines on Potomac and Anacostia Rivers"
title_number: 33
title_name: "NAVIGATION AND NAVIGABLE WATERS"
section_number: "405"
section_name: "Establishment and modification of harbor lines on Potomac and Anacostia Rivers"
chapter_number: 9
chapter_name: "PROTECTION OF NAVIGABLE WATERS AND OF HARBOR AND RIVER IMPROVEMENTS GENERALLY"
subchapter_number: "I"
subchapter_name: "IN GENERAL"
positive_law: false
currency: "119-84"
last_updated: "2026-04-17"
format_version: "1.1.0"
generator: "[email protected]"
source_credit: "(July 25, 1912, ch. 253, § 1, 37 Stat. 206.)"
---


# § 405. Establishment and modification of harbor lines on Potomac and Anacostia Rivers

section 404 of this titleJuly 25, 1912

The provisions of  are made applicable to the Potomac and Anacostia Rivers, and after , harbor lines in the District of Columbia, or elsewhere on said rivers, shall be established or modified as therein provided.

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**Source Credit**: (July 25, 1912, ch. 253, § 1, 37 Stat. 206.)

## Editorial Notes

### Codification

Section is from part of section 1 of act , popularly known as the “Rivers and Harbors Appropriation Act of 1912”.