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US Army Corps of Engineers Notices to Navigation Interests

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Welcome to Notices To Navigation Interest

The Notices To Navigation Interests (NTNI Notices) website contains navigation notices and policies issued by US Army Corps of Engineers Districts with a waterway navigation mission. These documents are disseminated according to EP 1130-2-520, Chapter 2, to inform mariners of information describing events that affect waterway navigation such as maintenance projects, hazards to navigation, and other pertinent information. The notices are removed from the page seven days past the end date on the latest amendment. The site also has Policy Notices that remain in place until superseded. This site does not contain all notices such as those published by other Federal agencies. Reference: The US Coast Guard Local Notice To Mariners site at: http://www.navcen.uscg.gov/?pageName=lnmMain

Navigation Notices

NTNI Number (Click to Download)Amendment NumberTitleBegin Date (YYYY/MM/DD)WaterwaysDistrictAttachments
85918583-1REVISION TO NTNI 18-10 SHOALING CONDITIONS RC BYRD LOCKS AND DAM OHIO RIVER, MILE 279.2 2018/03/26OHIO RIVER
HUNTINGTON DISTRICT-
12602-WORK ADVISORY - NM 169.52020/10/01MC-KERR ARKANSAS RIV NAV SYS
LITTLE ROCK DISTRICT-
16971-MARKLAND LOCKS AND DAM RIVER CLOSURE OHIO RIVER MILE 531.5 2021/10/21OHIO RIVER
LOUISVILLE DISTRICT-
1250410885-3SAILING INSTRUCTION LIFTED NM 125.8 - NM 126.82020/09/14MC-KERR ARKANSAS RIV NAV SYS
LITTLE ROCK DISTRICT-
4679-OBSTRUCTION Norton Sound, Nome Harbor, AlaskaIMMEDIATELYNORTON SOUND
ALASKA DISTRICTPOA 15-02 Nome Harbor Obstruction Drawing.pdf
9341-GULF INTRACOASTAL WATERWAY West Bay, East Bay, Apalachicola Bay and Lake Wimico FLORDIA2018/10/19GULF INTRACOASTAL WATERWAY
MOBILE DISTRICT-
20282027-1SUSPENDED - Navigation Number 2027, PN 13-06 ASSIST VESSEL REQUIREMENTS Lock 27 2013/06/17UPPER MISSISSIPPI
ST. LOUIS DISTRICT-
72617255-1MACARTHUR LOCK STATUS ST. MARYS FALLS CANAL 2016/12/16ST. MARYS RIVER
DETROIT DISTRICT-
1638715846-1AMENDMENT Navigation Notice: 16387, 15846_27-NTN_GI_CRL_2021-08 LOCK CLOSURE Gulf Intracoastal Waterway, Colorado River, Texas2021/10/04GULF INTRACOASTAL WATERWAY
GALVESTON DISTRICT-
28682114-1AMENDMENT - Navigation Notice No. 2114, MVN 14-111 LOCK CLOSURE GIWW - Bayou Sorrel LockIMMEDIATELYGIWW ALTERNATE ROUTE
NEW ORLEANS DISTRICTBSL_15-09 UPDATE.pdf
16486-Montgomery Locks and Dam Ohio River Mile 31.7 Closure of Primary Lock Chamber 2021/10/25OHIO RIVER
PITTSBURGH DISTRICTNTNI 16486 - Montgomery NTNI - Closure of Primary Lock - October 2021 (signed).pdf
13168-MOORING CELL BACK IN SERVICE CHEATHAM LOCK CUMBERLAND RIVER MILE 148.6 ***REFERENCE NTNI LRN 20-24 (12193)*** IMMEDIATELYCUMBERLAND RIVER
NASHVILLE DISTRICT-
1281810885-4SAILING INSTRUCTION LIFTED NM 256.5 - NM 256.82020/11/17MC-KERR ARKANSAS RIV NAV SYS
LITTLE ROCK DISTRICT-
13251-KENTUCKY LOCK End of Helper Boat Operations for Downstream Cofferdam TENNESSEE RIVER MILE 22.4 2021/01/31TENNESSEE RIVER
NASHVILLE DISTRICT-
1321013086-2AMENDMENT - Navigation Notice 13086-1, MVN 21-02 NAVIGATION RESTRICTIONS Gulf Intracoastal Waterway (Port Allen-Morgan City Alternate Route) Port Allen LockIMMEDIATELYGIWW ALTERNATE ROUTE
NEW ORLEANS DISTRICT-
9690-BLACK WARRIOR RIVER OPHELIA BAR2019/02/06BLACKWARRIOR/TOMBIGBEE RIVERS
MOBILE DISTRICT-
13220-NOTICE OF LOCK CLOSURE W. D. MAYO L&D No. 14, NM 392.0 WEBBERS FALLS L&D No. 16, NM 450.0 2021/06/02MC-KERR ARKANSAS RIV NAV SYS
TULSA DISTRICTTD_2021-1_MCK-WBF_TVA_MaintClosure.pdf
6443-APALACHICOLA, CHATTAHOOCHEE AND FLINT RIVERS Walter F George Lock and George W. Andrews Lock2016/06/02APLCHCLA/CHATTAHO/FLINT RIVERS
MOBILE DISTRICT-
1195711819-2DREDGING AND SAILING INSTRUCTION UPDATE - NM 49.9, NM 86 2020/05/21MC-KERR ARKANSAS RIV NAV SYS
LITTLE ROCK DISTRICT-
1678716667-1REVISION TO NOTICE TO NAVIGATION NOTICE 21-32 CHANNEL MAINTENANCE DREDGING TENTATIVE SCHEDULE, OHIO RIVER 2021/10/18OHIO RIVER
HUNTINGTON DISTRICT-
13424-MAIN CHAMBER CLOSURE BELLEVILLE LOCKS AND DAM OHIO RIVER, MILE 203.9 IMMEDIATELYOHIO RIVER
HUNTINGTON DISTRICT-
14360-MOORING CELL MAINTENANCE AND REHABILITATION OHIO RIVER, MILE 155.1 2021/11/08OHIO RIVER
HUNTINGTON DISTRICT-
16911-TOMBIGBEE WATERWAY, ALABAMA DREDGE WORK, RIVER MILE 78, SUNFLOWER BAR 2021/10/18BLACKWARRIOR/TOMBIGBEE RIVERS
MOBILE DISTRICT-
2027-ASSIST VESSEL Lock 27 2013/06/17UPPER MISSISSIPPI
ST. LOUIS DISTRICT-
1308-UPSTREAM MOORING CELLS Brandon Road Lock & Dam, RM 286.0 R2005/06/01ILLINOIS WATERWAY
ROCK ISLAND DISTRICTIW 05-10 Brandon Road Mooring Cells.pdf
9035-SHOALING IN ATLANTIC INTRACOASTAL WATERWAY, NC IN Bogue Sound2017/12/01ATLANTIC INTRACOASTAL WATERWAY
WILMINGTON DISTRICT-
6504-Pickwick Auxiliary Closed IMMEDIATELYTENNESSEE RIVER
NASHVILLE DISTRICT-
87484186-4AMENDMENT SHOALING IN ATLANTIC INTRACOASTAL WATERWAY (NC) in Bogue Sound 2017/12/01ATLANTIC INTRACOASTAL WATERWAY
WILMINGTON DISTRICT-
1877-OBSTRUCTION (EMBEDDED METAL) Locks 27, Upper Mississippi River Mile 185.5IMMEDIATELYUPPER MISSISSIPPI
ST. LOUIS DISTRICT-
2029-Dike 222.4 (R)2013/08/01UPPER MISSISSIPPI
ST. LOUIS DISTRICT13_07_1Aug2013_dike_222pt4R.pdf
712-C.W. Bill Young L/D, Allegheny River, Mile 14.5 Missing Wall ArmorIMMEDIATELYALLEGHENY RIVER
PITTSBURGH DISTRICT-
6752-POE LOCK EMPTYING DELAYS ST. MARYS FALLS CANAL2016/07/28ST. MARYS RIVER
DETROIT DISTRICT-
7668-Closure of the Auxiliary Chamber at Braddock Locks and Dam2017/06/15MONONGAHELA RIVER
PITTSBURGH DISTRICT-
16986-SABIC DIFFUSER BLOCKAGE DEBRIS REMOVAL OHIO RIVER MILE 831 2021/11/08OHIO RIVER
LOUISVILLE DISTRICT-
12461-LOCKAGE REQUIREMENT Melvin Price Locks & Dam - Main Lock Upper Mississippi River Mile 200.5 2020/09/03UPPER MISSISSIPPI
ST. LOUIS DISTRICT-
2186-LOCK CLOSURE - HIGH WATER Lock 27 Aux Chamber, UMR2014/10/02UPPER MISSISSIPPI
ST. LOUIS DISTRICT-
2182-WIDTH RESTRICTION Lock 27 Aux Chamber, UMR2014/08/07UPPER MISSISSIPPI
ST. LOUIS DISTRICT-
1185311819-1DREDGING AND SAILING INSRUCTION UPDATE - NM 23, NM 49.9 2020/04/28MC-KERR ARKANSAS RIV NAV SYS
LITTLE ROCK DISTRICT-
6274-RESTRICTED VESSEL PASSAGE THROUGH THE MACARTHUR LOCK ST MARYS FALLS CANAL2016/04/28ST. MARYS RIVER
DETROIT DISTRICT-
6457-LAND EROSION & BULKHEAD DAMAGE GIWW (MC-PA Alt Rte) Vicinity of Bayou SorrelIMMEDIATELYGIWW ALTERNATE ROUTE
NEW ORLEANS DISTRICT-
49014679-1AMENDMENT - OBSTRUCTION LOCATION Navigation Notice 4679, POA 15-02IMMEDIATELYNORTON SOUND
ALASKA DISTRICTPOA 15-02-1 Nome Harbor Obstruction Drawing.pdf
4186-SHOALING IN ATLANTIC INTRACOASTAL WATERWAY (NC) in Bogue Sound 2013/01/19ATLANTIC INTRACOASTAL WATERWAY
WILMINGTON DISTRICT-
41651308-1AMENDMENT - Navigation Notice 1308, IW 05-10 UPSTREAM MOORING CELLS Brandon Road L/D, RM 286.0 R2005/06/01ILLINOIS WATERWAY
ROCK ISLAND DISTRICTNav Notice Log Illinois Waterway CY2015.pdf
16830-DREDGING OPERATIONS Bayou Rigaud Mile 0.3 to Mile 1.02021/10/17BAYOU RIGAUD
NEW ORLEANS DISTRICT-
16749-Wilson Lock Trash Screen Replacement2021/10/26TENNESSEE RIVER
NASHVILLE DISTRICT-
7833-DAMAGED FEDERAL MOORING CELL TENNESSEE RIVER MILE 303.5IMMEDIATELYTENNESSEE RIVER
NASHVILLE DISTRICT-
16947-TENNESSEE RIVER KY LOCK UPPER GUIDE WALL 2021/11/01TENNESSEE RIVER
NASHVILLE DISTRICT-
16970-KENTUCKY LOCK2021/11/01TENNESSEE RIVER
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1436413220-2NOTICE OF LOCK CLOSURE W. D. MAYO L&D No. 14, NM 319.6 WEBBERS FALLS L&D No. 16, NM 366.6 2021/06/02MC-KERR ARKANSAS RIV NAV SYS
TULSA DISTRICT-
87638762-1OPERATIONAL STATUS AND LOCK OPENINGS (MACARTHUR LOCK) ST. MARYS FALLS CANAL2018/05/16ST. MARYS RIVER
DETROIT DISTRICT-
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