NAVNOTICE# 2025 - Waterway Action Plan UMR ILR

To: ALL MARINERS
From: MSO Chicago
Date: 1/4/10
Subject: Waterway Action Plan UMR ILR
NAVNOTICE # 2025

USCG SECTOR UPPER MISSISSIPPI RIVER ISSUES THE FOLLOWING SAFETY
ADVISORIES:
A. ZONES 1-4 (MM 0.0 - 101.9 ILR) AND ZONES 7-8 (MM 145.6 - 199.9
ILR) ARE IN THE RECOVERY PHASE FOR HIGH WATER CONDITIONS IN ACCORDANCE
WITH THE ILR WAP ANNEX. ALL TOWING VESSELS ARE PROHIBITED FROM
LAYING UP ON LEVEES. DOWN STREAMING OPERATIONS ARE NOT RECOMMENDED,
UNLESS A VESSEL IS EQUAL TO OR GREATER THAN 75 FEET IN LENGTH AND
HAS A MINIMUM OF 1800 HORSEPOWER.DRIFT OF DEBRIS MAY BE A HAZARD TO
NAVIGATION, AND MAY DRAG BUOYS OFF STATION. ALL VESSELS ARE
REQUESTED TO TRANSIT THIS ZONE WITH CAUTION AND AT THEIR SLOWEST
SAFE SPEED TO MINIMIZE WAKE DAMAGE.
B. ZONE 6 (MM 129 - 145.5 ILR) IS IN THE ACTION PHASE FOR EXTREME
HIGH WATER CONDITIONS IN ACCORDANCE WITH ILR WAP ANNEX. ALL TOWING
VESSELS ARE PROHIBITED FROM LAYING UP ON LEVEES. DOWN STREAMING
OPERATIONS ARE NOT RECOMMENDED, UNLESS A VESSEL IS EQUAL TO OR
GREATER THAN 75 FEET IN LENGTH AND HAS A MINIMUM OF 1800
HORSEPOWER. DRIFT OF DEBRIS MAY BE A HAZARD TO NAVIGATION, AND MAY
DRAG BUOYS OFF STATION. ALL VESSELS ARE REQUESTED TO TRANSIT THIS
ZONE WITH CAUTION AND AT THEIR SLOWEST SAFE SPEED TO MINIMIZE WAKE
DAMAGE.
C. FOR ALL AREAS, MARINERS ARE REQUESTED TO STAY AWARE OF THE
CLOSE PROXIMITY OF RAILWAYS WHEN CHOOSING A LOCATION TO PUSH INTO
THE BANK. WITH CURRENT RIVER STAGES, RAILWAY SYSTEMS CLOSE TO THE
RIVERS EDGE MAY BECOME THREATENED BY THE HEAD OF A TOW WHEN PUSHED
INTO THE BANK.