33 CFR § 3.40-40 - Sector Upper Mississippi River Marine Inspection Zone and Captain of the Port Zone.

---
identifier: "/us/cfr/t33/s3.40-40"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "33 CFR § 3.40-40 - Sector Upper Mississippi River Marine Inspection Zone and Captain of the Port Zone."
title_number: 33
title_name: "Navigation and Navigable Waters"
section_number: "3.40-40"
section_name: "Sector Upper Mississippi River Marine Inspection Zone and Captain of the Port Zone."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "A"
subchapter_name: "GENERAL"
part_number: "3"
part_name: "COAST GUARD AREAS, DISTRICTS, SECTORS, MARINE INSPECTION ZONES, AND CAPTAIN OF THE PORT ZONES"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "14 U.S.C. 501, 504; Pub. L. 107-296, 116 Stat. 2135; Department of Homeland Security Delegation No. 00170.1, Revision No. 01.4."
cfr_part: "3"
---


# 3.40-40 Sector Upper Mississippi River Marine Inspection Zone and Captain of the Port Zone.

Sector Upper Mississippi River's office is located in St. Louis, MO. Subject to the overriding provisions of § 3.40-5, the boundaries of Sector Upper Mississippi River's Marine Inspection Zone and Captain of the Port Zone include all of Wyoming except for Sweetwater County; all of North Dakota, South Dakota, Nebraska, Colorado, Kansas, and Iowa; all of Missouri with the exception of Perry, Cape Girardeau, Scott, Mississippi, New Madrid, Dunklin, and Pemiscot Counties; that part of Minnesota south of latitude 46°20′00″ N; that part of Wisconsin south of latitude 46°20′00″ N, and west of longitude 90°00′00″ W; that part of Illinois west of longitude 90°00′00″ W and north of latitude 41°00′00″ N; that part of Illinois south of latitude 41°00′00″ N, except for Jackson, Williamson, Saline, Gellatin, Union, Johnson, Pope, Hardin, Alexander, Pulaski, and Massac Counties; that part of the Upper Mississippi River above mile 109.9, including both banks, and that part of the Illinois River below latitude 41°00′00″ N.

[USCG-2006-25556, 72 FR 36324, July 2, 2007, as amended by USCG-2013-0491, 80 FR 20163, Apr. 15, 2015]