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Security Levels

Marine Events

Prevention Department




The Prevention Department’s function focuses on gaining compliance with regulatory standards, and the design and maintenance of waterway systems to prevent incidents. The Prevention Department oversees vessel and facility inspections; casualty and personnel investigations, marine environmental protection, waterways management, and aids to navigation (ATON) program across the Sector’s area of responsibility.

Areas of Operations

Sector UMR Main Office:
Upper Mississippi River Mile Marker 109.9 to 343.0
Illinois River Mile Marker 00.0 to 65.0
Missouri River Mile Marker 00.0 to 734.0

MSD Peoria:
Illinois River Mile Marker 65.0 to 187.0

MSD Quad Cities:
Upper Mississippi River Mile Marker 343.0 to 615.0

MSD St. Paul:
Upper Mississippi River Mile Marker 615.0 to 857.6
Missouri River Mile Marker 734.0 to 980.0


4-Hour Notice of Transfer Online Submission

Marine Safety Information Bulletins

Marine Safety, Security, and Environmental Protection Homepage

Marine Safety Center

MTSA-ISPS Information Page

Code of Federal Regulations (CFR) Online

United States Code (USC) Online

D8 Prevention Policies

Tank Barge Alternate Inspection Protocol (TAIP) Guidance

Transportation Worker Identification Credential (TWIC) Information







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Last Modified 4/21/2015