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Final ruleTook effect Sept. 15, 2026

Safety Zone; Rocket Test Site, Rio Grande River, Boca Chica, TX

Built by the Tribune's code from the Federal Register. No AI wrote this page. Published in the Federal Register Sept. 15, 2026. Document 2026-18855. Updated Nov. 5, 2026.

What it does

The Coast Guard is establishing a temporary safety zone for navigable waters of the Rio Grande River. The safety zone is needed to protect personnel, vessels, and the marine environment from potential hazards created by cryogenics and structural tests of rockets at the Massey's test site. This rulemaking will prohibit persons and vessels from being in the safety zone unless specifically authorized by the Captain of the Port, Sector Corpus Christi.

The Coast Guard's summary, as published in the Federal Register.

What changed in the regulation

1 part of Title 33 of the Code of Federal Regulations:

33 CFR 165

Wording on eCFR: the day before it took effect and from the day it took effect (first part listed).

Compared with

The Coast Guard has published 341 final rules in 2026 so far, compared with 224 in all of 2025.

Counted by the Tribune from Federal Register records since Jan. 1, 2025.

Before this

250 earlier Federal Register documents under regulation identifier 1625-AA00 since Jan. 1, 2025.

Since then:

What happens next and when

This rule is effective without actual notice from September 15, 2026 through October 31, 2026. For the purposes of enforcement, actual notice will be used from September 4, 2026, until September 15, 2026.

The agency's dates, word for word.

Document number2026-18855
ActionTemporary final rule.
AgenciesHomeland Security Department; Coast Guard
PublishedSept. 15, 2026
Effective dateSept. 15, 2026
Regulation identifier (RIN)1625-AA00
DocketUSCG-2026-1159

Source: the Federal Register (public domain). The document in the Federal Register