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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 V8i 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.

Meta Data text file image Metadata file.

Connecticut Navigation Projects   

The Corps has completed navigation projects at 28 different sites in Connecticut. These sites include rivers, bays, coves, and harbors that are used by commercial interests, fishermen, and the many recreational boaters that enjoy the intricate and fascinating Connecticut coastline. Initial work on many of the projects dates back to the 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 total of $20 million. Below are the Corps' navigation projects in Connecticut.
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Click here to expand contentClick here to collapse content  Black Rock Harbor | Project Map
Publication Date Project Title / Description PDF Drawings Survey Results DGN File XYZ File Metadata File
5/13/2014
Condition Survey
Complete Project Drawing
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Click here to expand contentClick here to collapse content  Branford Harbor  | Project Map
Publication Date Project Title / Description PDF Drawings Survey Results DGN File XYZ File Metadata File
4/28/2015
Condition Survey
Complete Project Drawing
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Click here to expand contentClick here to collapse content  Bridgeport Harbor | Survey Map 
Publication Date Project Title / Description PDF Drawings Survey Results DGN File XYZ File Metadata File
8/18/2016
Bridgeport Harbor, Main Ship Channel Condition Survey
Complete Project Drawing
8/18/2016 Bridgeport Harbor, Pequonnock River   Condition Survey
Complete Project Drawing
8/18/2016

Bridgeport Harbor, Yellow Mill River   Condition Survey
Complete Project Drawing
8/18/2016 Bridgeport Harbor, Johnsons River   Condition Survey
Complete Project Drawing
Click here to expand contentClick here to collapse content  Clinton Harbor | Project Map
Publication Date Project Title / Description PDF Drawings Survey Results DGN File XYZ File Metadata File
2/11/2015
Condition Survey
Complete Project Drawing
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Click here to expand contentClick here to collapse content  Connecticut River Below Hartford | Project Map
Publication Date Project Title / Description PDF Drawings Survey Results DGN File XYZ File Metadata File
4/25/2014
 Connecticut River Below Hartford Condition Survey
Complete Project Drawing
 8/18/2016 North Cove, Condition Survey
Complete Project Drawing
4/25/2014 Essex Shoal - Condition Survey
Complete Project Drawing
4/23/2014  Wethersfield Cove After Dredge Survey
Complete Project Drawing 
3/24/2011 Eight Mile River - Condition Survey
Complete Project Drawing
4/25/2014 

Eight Mile River - Condition Survey
Supplemental Project Drawing 
Click here to expand contentClick here to collapse content  Duck Island Harbor
Publication Date: 4/27/2006
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Click here to expand contentClick here to collapse content  Fivemile River Harbor
Publication Date: 11/29/2010
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Click here to expand contentClick here to collapse content  Greenwich Harbor | Project Map | Master Layout Plan 
Publication Date Project Title / Description PDF Drawings Survey Results DGN File XYZ File Metadata File
10/19/2015
Condition Survey
Complete Project Drawing
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Click here to expand contentClick here to collapse content  Guilford Harbor | Project Map
Publication Date Project Title / Description PDF Drawings Survey Results DGN File XYZ File Metadata File
4/28/2015
After Dredge Survey
Complete Project Drawing
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Click here to expand contentClick here to collapse content  Hay (West) Harbor, Fishers Island
Publication Date: 2/17/2004
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Click here to expand contentClick here to collapse content  Housatonic River | Project Map
Publication Date Project Title / Description PDF Drawings Survey Results DGN File XYZ File Metadata File
3/31/2016
Condition Survey
Complete Project Drawing
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Click here to expand contentClick here to collapse content  Little Narragansett Bay and Watch Hill Cove | Project Map
Publication Date Project Title / Description PDF Drawings Survey Results DGN File XYZ File Metadata File
 7/8/2013 

               Condition Survey                      Complete Project Drawing
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1/22/2016         After Dredge Survey            Supplemental Project Drawing Meta Data text file image
Click here to expand contentClick here to collapse content  Mianus River | Project Map
Publication Date Project Title / Description PDF Drawings Survey Results DGN File XYZ File Metadata File
8/21/2014
Condition Survey
Complete Project Drawing
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Click here to expand contentClick here to collapse content  Milford Harbor | Project Map | Master File Layout

 

Publication Date Project Title / Description PDF Drawings Survey Results DGN File XYZ File Metadata File
8/18/2016
Condition Survey
Complete Project Drawing
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Click here to expand contentClick here to collapse content  Mystic River | Project Map
Publication Date Project Title / Description PDF Drawings Survey Results DGN File XYZ File Metadata File
3/6/2015
After Dredge Survey
Complete Project Drawing
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Click here to expand contentClick here to collapse content  New Haven Breakwater
Publication Date: N/A
Project Map:  
Click here to expand contentClick here to collapse content  New Haven Harbor | Project Map
Publication Date Project Title / Description PDF Drawings Survey Results DGN File XYZ File Metadata File
5/22/2014
 New Haven Harbor Main Ship Channel  After Dredge / Condition Survey
Complete Project Drawing
7/1/2013 New Haven Harbor, West River Condition Survey
Complete Project Drawing
7/1/2013 

New Haven Harbor, Quinnipiac River Condition Survey
 Complete Project Drawing
7/1/2013  New Haven Harbor, Mill River   Condition Survey
Complete Project Drawing

 

Click here to expand contentClick here to collapse content  New London Harbor | Project Map
Publication Date Project Title / Description PDF Drawings Survey Results DGN File XYZ File Metadata File
7/28/2015
Condition Survey
Complete Project Drawing
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Click here to expand contentClick here to collapse content  Niantic Bay and Harbor | Project Map
Publication Date Project Title / Description PDF Drawings Survey Results DGN File XYZ File Metadata File
9/19/2014
Condition Survey
Complete Project Drawing
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Click here to expand contentClick here to collapse content  Norwalk Harbor | Project Map | Master Layout Plan
Publication Date Project Title / Description PDF Drawings Survey Results DGN File XYZ File Metadata File
3/18/2009
Condition Survey
Complete Project Drawing
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4/11/2014 

After Dredge Survey 
Supplemental Project Drawing

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Click here to expand contentClick here to collapse content  Patchogue River | Project Map
Publication Date Project Title / Description PDF Drawings Survey Results DGN File XYZ File Metadata File
7/28/2015
After Dredge / Condition Survey 
Complete Project Drawing
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Click here to expand contentClick here to collapse content  Pawcatuck River
Publication Date: 5/30/2012
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Click here to expand contentClick here to collapse content  Southport Harbor | Project Map
Publication Date Project Title / Description PDF Drawings Survey Results DGN File XYZ File Metadata File
10/9/2015
Condition Survey
Complete Project Drawing
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Click here to expand contentClick here to collapse content  Stamford Harbor
Publication Date: 3/4/2009
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Click here to expand contentClick here to collapse content  Stonington Harbor
Publication Date: 3/15/2012
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Click here to expand contentClick here to collapse content  Stony Creek | Project Map
Publication Date Project Title / Description PDF Drawings Survey Results DGN File XYZ File Metadata File
9/23/2013
Condition Survey
Complete Project Drawing
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Click here to expand contentClick here to collapse content  Thames River
Publication Date: 2/4/2008
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Click here to expand contentClick here to collapse content  Westcott Cove | Project Map
Publication Date Project Title / Description PDF Drawings Survey Results DGN File XYZ File Metadata File
9/30/2015
Condition Survey
Complete Project Drawing
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Click here to expand contentClick here to collapse content  Westport Harbor and Saugatuck River
Publication Date: 7/1/2013
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Click here to expand contentClick here to collapse content  Wilson Point Harbor
Publication Date: 2/25/2004
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Building Strong