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NOTE: Surveys shown are the most recent available. For information regarding previous surveys, contact the Navigation Section.

 Hydrographic surveys are in Bentley Microstation V8-XM DGN format. Click on the self extracting ZIP file below and save to your hard drive. Open the survey in your CADD Software Product or Bentley (Free) View software. See Bentley website to obtain free viewer.

 XYZ Data – ASCII (space delimited) bathymetry sounding data, sorted for minimum depths for printing within a scale dependant plot for data represented within CAD file.

 Hydrographic Surveys, Survey Results / Channel Condition Reports are in PDF format.

Maine Navigation Projects

The Corps has completed 66 navigation projects in Maine. These projects have improved rivers, bays, coves, and harbors that are used by commercial interests, fishermen, and the many recreational boaters that benefit from the intricate and fascinating Maine coastline. Initial work on many of the projects dates back to the early 19th century. However, much of the navigational work in today's waterways has been constructed by the Corps within the past 50 years, costing an aggregate $29.7 million. Below are the Corps' navigation projects in Maine.
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Click here to expand contentClick here to collapse content  Bagaduce River
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Click here to expand contentClick here to collapse content  Bar Harbor
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12/9/1987 
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Click here to expand contentClick here to collapse content  Bass Harbor Bar
Publication Date: 12/6/1993
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Click here to expand contentClick here to collapse content  Bass Harbor
Publication Date: 8/17/2011
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Click here to expand contentClick here to collapse content  Beals Harbor
Publication Date: 5/25/2012
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Click here to expand contentClick here to collapse content  Belfast Harbor
Publication Date: 5/21/2012
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Click here to expand contentClick here to collapse content  Bucks Harbor
Publication Date: 5/23/2011
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Click here to expand contentClick here to collapse content  Bucksport Harbor
Publication Date: 6/7/2012
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Click here to expand contentClick here to collapse content  Bunker Harbor
Publication Date: 5/1/1995
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Click here to expand contentClick here to collapse content  Camden Harbor
Publication Date: 9/7/2012
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Click here to expand contentClick here to collapse content  Cape Porpoise Harbor
Publication Date: 7/1/1994
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Click here to expand contentClick here to collapse content  Carvers Harbor
Publication Date: 6/11/2012
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Click here to expand contentClick here to collapse content  Cathance River
Publication Date: 1/18/2013
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Click here to expand contentClick here to collapse content  Cobscook Bay
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Click here to expand contentClick here to collapse content  Corea Harbor
Publication Date: 6/25/2010
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Click here to expand contentClick here to collapse content  Criehaven Harbor
Publication Date: 1/26/1995
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Click here to expand contentClick here to collapse content  Damariscotta River
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Click here to expand contentClick here to collapse content  Deer Island Thoroghfare
Publication Date: 5/25/2012
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Click here to expand contentClick here to collapse content  Frenchboro Harbor
Publication Date: 5/13/2008
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Click here to expand contentClick here to collapse content  Georges River
Publication Date: 6/22/2012
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Click here to expand contentClick here to collapse content  Harraseeket River
Publication Date: 8/2/2004
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Click here to expand contentClick here to collapse content  Hendricks Harbor
                        
Publication Date: 6/15/2004
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Click here to expand contentClick here to collapse content  Isle Au Haut Thoroughfare
Publication Date: 10/7/2008
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Click here to expand contentClick here to collapse content  Isles of Shoals Harbor
Publication Date: 6/1/1967
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Click here to expand contentClick here to collapse content  Jonesport Harbor
Publication Date: 6/15/2012
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Click here to expand contentClick here to collapse content  Josias River
Publication Date: 5/15/2008
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Click here to expand contentClick here to collapse content  Kennebec River

Kennebec River - Phippsburg to Bath

Publication Date: 9/14/2011
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Kennebec River - Bath to Richmond

Publication Date: 1/5/2012
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Kennebec River - Richmond to Gardiner

Publication Date: 4/7/2011
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Kennebec River - Gardiner to Augusta

Publication Date: 7/10/2007
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Click here to expand contentClick here to collapse content  Kennebunk River
Publication Date: 5/4/2012
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Click here to expand contentClick here to collapse content  Lubec Channel
Publication Date: 8/25/2004
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Click here to expand contentClick here to collapse content  Machias River
Publication Date: 5/7/2005
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Click here to expand contentClick here to collapse content  Matinicus Harbor
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Click here to expand contentClick here to collapse content  Medomak River
Publication Date: 3/13/2007
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Click here to expand contentClick here to collapse content  Moosabec Bar
Publication Date: 9/1/1977
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Click here to expand contentClick here to collapse content  Narraguagus River
Publication Date: 2/2/2010
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Click here to expand contentClick here to collapse content  New Harbor
Publication Date: 12/3/2004
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Click here to expand contentClick here to collapse content  Owls Head Harbor
Publication Date: 12/5/2011
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Click here to expand contentClick here to collapse content  Penobscot River
Publication Date: 12/14/2010
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Click here to expand contentClick here to collapse content  Pepperell Cove
Publication Date: 12/1/1989
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Click here to expand contentClick here to collapse content  Pig Island Gut
Publication Date: 3/30/2004
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Click here to expand contentClick here to collapse content  Pleasant River
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Click here to expand contentClick here to collapse content  Portland Harbor
Publication Date: 9/14/2011
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Click here to expand contentClick here to collapse content  Portsmouth Harbor and Piscataqua River
Publication Date: 8/2/2011
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Click here to expand contentClick here to collapse content  Richmond Harbor
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Click here to expand contentClick here to collapse content  Richmond Island Harbor
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Click here to expand contentClick here to collapse content  Rockland Harbor
Publication Date: 4/20/2011
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Click here to expand contentClick here to collapse content  Rockport Harbor
Publication Date: 12/5/2011
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Click here to expand contentClick here to collapse content  Royal River
Publication Date: 9/1/2010
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Click here to expand contentClick here to collapse content  Saco River
Publication Date: 6/1/2010
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Click here to expand contentClick here to collapse content  Sasanoa River
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Click here to expand contentClick here to collapse content  Scarboro River
Publication Date: 11/18/2009
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Click here to expand contentClick here to collapse content  Searsport Harbor
Publication Date: 10/19/2012
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Click here to expand contentClick here to collapse content  South Bristol Harbor
Publication Date: 6/17/2011
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Click here to expand contentClick here to collapse content  Southwest Harbor
Publication Date: 4/27/2012
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Click here to expand contentClick here to collapse content  St. Croix River
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Click here to expand contentClick here to collapse content  Stockton Harbor
Publication Date: 4/23/2007
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Click here to expand contentClick here to collapse content  Stonington Harbor
Publication Date: 5/25/2012
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Click here to expand contentClick here to collapse content  Sullivan Falls Harbor
Publication Date: 9/28/2012
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Click here to expand contentClick here to collapse content  Union River
Publication Date: 2/5/2010
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Click here to expand contentClick here to collapse content  Wells Harbor
Publication Date: 7/10/2012
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Click here to expand contentClick here to collapse content  Winter Harbor
Publication Date: 5/17/2002
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Click here to expand contentClick here to collapse content  Wood Island Harbor and The Pool at Biddeford
Publication Date: 1/26/2012
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Click here to expand contentClick here to collapse content  York Harbor
Publication Date: 4/26/2012
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Building Strong