---
kind: "section"
citation: "33 U.S.C. § 451a"
title: "33"
title_heading: "Navigation and Navigable Waters"
number: "451a"
heading: "Harbors subject to this subchapter"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/33/451a"
units:
  - "Chapter 9 — Protection of Navigable Waters and of Harbor and River Improvements Generally"
  - "Subchapter III — New York Harbor, Harbor of Hampton Roads, and Harbor of Baltimore"
---

# §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.

## Source credit

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

## Notes

### Editorial Notes

### Amendments

1958—Pub. L. 85–802 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 Pub. L. 85–802 effective on sixtieth day after Aug. 28, 1958, see section 2 of Pub. L. 85–802, set out as a note under section 441 of this title.