33 USC § 451a - Harbors subject to this subchapter

---
identifier: "/us/usc/t33/s451a"
source: "usc"
legal_status: "official_prima_facie"
title: "33 USC § 451a - Harbors subject to this subchapter"
title_number: 33
title_name: "NAVIGATION AND NAVIGABLE WATERS"
section_number: "451a"
section_name: "Harbors subject to this subchapter"
chapter_number: 9
chapter_name: "PROTECTION OF NAVIGABLE WATERS AND OF HARBOR AND RIVER IMPROVEMENTS GENERALLY"
subchapter_number: "III"
subchapter_name: "NEW YORK HARBOR, HARBOR OF HAMPTON ROADS, AND HARBOR OF BALTIMORE"
positive_law: false
currency: "119-84"
last_updated: "2026-04-17"
format_version: "1.1.0"
generator: "[email protected]"
source_credit: "(June 29, 1888, ch. 496, § 6, 25 Stat. 210; Pub. L. 85–802, § 1(7), Aug. 28, 1958, 72 Stat. 970.)"
---


# § 451a. Harbors subject to this subchapter

The following harbors shall be subject to this subchapter:

**(1)** The harbor of New York.

**(2)** The harbor of Hampton Roads.

**(3)** The harbor of Baltimore.

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**Source Credit**: (June 29, 1888, ch. 496, § 6, 25 Stat. 210; Pub. L. 85–802, § 1(7), Aug. 28, 1958, 72 Stat. 970.)

## Editorial Notes

### Amendments

1958— substituted provisions making harbors of New York, Hampton Roads, and Baltimore subject to this subchapter for appropriation provisions.

## Statutory Notes and Related Subsidiaries

### Effective Date of 1958 Amendment

Amendment by  effective on sixtieth day after , see , set out as a note under .