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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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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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Publication Date: 11/29/2010
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Publication Date: 11/15/2010
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Publication Date Project Title / Description PDF Drawings Survey Results DGN File XYZ File Metadata File
5/10/2013
Condition Survey
Complete Project Drawing
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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
 6/3/2009 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 

Publication Date: 4/27/2006
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Publication Date: 11/29/2010
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Publication Date: 3/9/2012
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Master Layour Plan  
Publication Date Project Title / Description PDF Drawings Survey Results DGN File XYZ File Metadata File
9/15/2013
Condition Survey
Complete Project Drawing
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Publication Date: 2/17/2004
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Publication Date: 7/16/2013
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Publication Date: 7/8/2013
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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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Publication Date: 6/27/2013
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Publication Date: 6/7/2012
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Publication Date: N/A
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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

 

Publication Date: 12/14/2010
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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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Publication Date Project Title / Description PDF Drawings Survey Results DGN File XYZ File Metadata File
3/18/2009
Condition Survey
Complete Project Drawing
Meta Data text file image
4/11/2014 

After Dredge Survey 
Supplemental Project Drawing

Meta Data text file image
Publication Date: 12/19/2012
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Publication Date: 5/30/2012
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Publication Date: 3/9/2012
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Publication Date: 3/4/2009
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Publication Date: 3/15/2012
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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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Publication Date: 2/4/2008
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Publication Date: 7/1/1985
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Publication Date: 7/1/2013
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Publication Date: 2/25/2004
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