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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.

NOTE: Hydrographic surveys without a DGN file were most recently processed through eHydro using ArcGIS software. More information about eHydro products can be found in this PowerPoint.

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

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

Meta Data text file image Metadata file.

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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Publication Date Project Title / Description PDF Drawings Survey Results Channel Coordinates XYZ File Metadata File
3/7/2019
Condition Survey
Complete Project Drawing
Publication Date Project Title / Description PDF Drawings Survey Results Channel Coordinates XYZ File Metadata File
3/6/2019
Condition Survey
Complete Project Drawing
Publication Date Project Title / Description

    PDF   Drawings

 Survey   Results

  XYZ File

Metadata   File

12/12/2018
Condition Survey Complete Project Drawing
Publication Date Project Title / Description PDF Drawings Survey Results Channel Coordinates XYZ File Metadata File
3/7/2019
Condition Survey
Complete Project Drawing
Publication Date Project Title / Description PDF Drawings Survey Results Channel Coordinates XYZ File Metadata File
1/22/2019
Condition Survey
Complete Project Drawing
Publication Date Project Title / Description PDF Drawings Survey Results Channel Coordinates XYZ File Metadata File
3/6/2019
Condition Survey
Complete Project Drawing
Publication Date: N/A
Project Map:  
Publication Date:

12/9/1987 

Project Map:  
PDF Drawings:  
Publication Date Project Title / Description PDF Drawings Survey Results Channel Coordinates XYZ File Metadata File
3/1/2019
Condition Survey
Complete Project Drawing
Publication Date Project Title / Description PDF Drawings Survey Results DGN File XYZ File Metadata File
3/1/2017
 After Dredge Survey
Complete Project Drawing
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
9/25/2018
Condition Survey
Complete Project Drawing
Publication Date: 5/23/2011
Project Map:  
DGN File:  
XYZ File:  
PDF Drawings:  
Meta Data File:  
Results of Survey:  
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
10/1/2021
Condition Survey
Complete Project Drawing
Publication Date: 9/7/2012
Project Map:  
DGN File:  
XYZ File:  
PDF Drawings:  
Meta Data File:  
Results of Survey:  
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
3/5/2020
After Dredge Survey
Complete Project Drawing
Publication Date: 6/11/2012
Project Map:  
DGN File:  
XYZ File:  
PDF Drawings:  
Meta Data File:  
Results of Survey:  
Publication Date: 1/18/2013
Project Map:  
DGN File:  
XYZ File:  
PDF Drawings:  
Meta Data File:  
Results of Survey:  
Master Project Layout:  
Publication Date Project Title / Description PDF Drawings Survey Results DGN File XYZ File Metadata File
11/4/2014
 Reconn Survey
Complete Project Drawing
N/A
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
5/2/2019
Condition Survey
Complete Project Drawing
Publication Date: 1/26/1995
Project Map:  
PDF Drawings:   
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
9/28/2021
Condition Survey
Complete Project Drawing
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
10/29/2021
Condition Survey
Complete Project Drawing
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
1/10/2022
Condition Survey
Complete Project Drawing
Publication Date Project Title / Description PDF   Drawings Survey Results XYZ File Metadata File
  9/6/2018
Condition Survey
Complete Project Drawing
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
7/13/2018
Condition Survey
Complete Project Drawing
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
4/29/2022
Condition Survey
Complete Project Drawing
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
11/22/2021
Condition Survey
Complete Project Drawing
Publication Date: 6/1/1967
Project Map:  
PDF Drawings:  
Publication Date Project Title / Description

PDF Drawings

Survey Results

XYZ File

Metadata File

12/12/2018
Condition Survey
Complete Project Drawing
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
8/7/2018
Condition Survey
Complete Project Drawing

 

Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
11/22/2021
KENNEBEC RIVER
Phippsburg to Bath, Maine
ME_47_KEN_20211102_CS_061
Condition Survey

 

 

Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
11/22/2021
KENNEBEC RIVER
Phippsburg to Bath, Maine
ME_47_KEN_20211103_CS_061
Condition Survey 

 

 

Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
5/04/2018
Condition Survey
Complete Project Drawing
Publication Date Project Title / Description

PDF Drawings

Survey Results

XYZ File

Metadata File

  10/07/2020
Condition Survey
Complete Project Drawing
Publication Date Project Title / Description

PDF Drawings

Survey Results

XYZ File

Metadata File

   10/07/2020
Condition Survey
Complete Project Drawing
 
Publication Date: N/A
Project Map:  
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
7/31/2020
Condition Survey
Complete Project Drawing
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
   9/24/2020
Condition Survey
Complete Project Drawing
Publication Date Project Title / Description PDF Drawings Survey Results DGN File XYZ File Metadata File
8/15/2013
Condition Survey
Complete Project Drawing

 

Publication Date Project Title / Description PDF Drawings Survey Results Channel Coordinates XYZ File Metadata File
2/22/2019
Condition Survey
Complete Project Drawing
Publication Date Project Title / Description

PDF Drawings

Survey Results

XYZ File

Metadata File

   10/27/2021
Condition Survey
Complete Project Drawing
 
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
9/05/2019
Condition Survey
Complete Project Drawing
Publication Date Project Title / Description PDF Drawings Survey Results DGN File XYZ File Metadata File
3/14/2017
 After Dredge Survey
Complete Project Drawing
Publication Date: N/A
Project Map:  
Publication Date Project Title / Description PDF Drawings Survey Results DGN File XYZ File Metadata File
 4/04/2014 
Portland Harbor - Main Ship Channel Supplemental - After Dredge Survey
Meta Data text file image
9/14/2011  Portland Harbor - Main Ship Channel Condition Survey Meta Data text file image
9/14/2007  Portland Harbor - Approach Channel & Anchorage Condition Survey Meta Data text file image
1/22/2004 Portland Harbor - Back Cove    Condition Sweep Survey Meta Data text file image
Publication Date Project Title / Description PDF Drawings Survey Results DGN File XYZ File Metadata File
4/9/2007
Condition Survey
Complete Project Drawing
Meta Data text file image
3/27/2013 After Dredge / Condition Survey
Supplemental Drawing
Meta Data text file image
8/7/2013 Back Channel / Sagamore Creek Condition Survey
Complete Sub-Project Drawing
Meta Data text file image
Publication Date Project Title / Description PDF Drawings Survey Results DGN File XYZ File Metadata File
8/28/2013
Condition Survey
Complete Project Drawing
Meta Data text file image
Publication Date: N/A
Project Map:  
Publication Date Project Title / Description PDF Drawings Survey Results DGN File XYZ File Metadata File
12/20/2013
Condition Survey
Complete Project Drawing
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
11/14/2018
Condition Survey
Complete Project Drawing
Publication Date Project Title / Description PDF Drawings Survey Results DGN File XYZ File Metadata File
12/11/2015
After Dredge Survey
Complete Project Drawing
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
8/18/2021
Condition Survey
Complete Project Drawing
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
7/30/2020
Condition Survey
Complete Project Drawing
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
10/19/2021
Condition Survey
Complete Project Drawing
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
2/16/2021
Condition Survey
Complete Project Drawing
Publication Date: 6/17/2011
Project Map:  
DGN File:  
XYZ File:  
PDF Drawings:  
Meta Data File:  
Results of Survey:  
Publication Date: N/A
Project Map:  
PDF Drawings:  
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
9/26/2018
Condition Survey
Complete Project Drawing
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
10/29/2021
Condition Survey
Complete Project Drawing
Publication Date: 9/28/2012
Project Map:  
DGN File:  
XYZ File:  
PDF Drawings:  
Meta Data File:  
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
7/30/2020
Condition Survey
Complete Project Drawing
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
    3/28/2022
Condition Survey
Complete Project Drawing
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
12/9/2021
Condition Survey
Complete Project Drawing