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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.
Collapse All Expand All
Expand List item 7557Collapse List item 7557  

Bass Harbor| Project Map

Publication Date Project Title / Description PDF Drawings Survey Results Channel Coordinates XYZ File Metadata File
3/7/2019
Condition Survey
Complete Project Drawing
Expand List item 7563Collapse List item 7563  

Bunker Harbor | Project Map

Publication Date Project Title / Description PDF Drawings Survey Results Channel Coordinates XYZ File Metadata File
3/6/2019
Condition Survey
Complete Project Drawing
Expand List item 7601Collapse List item 7601  

Moosabec Bar | Project Map

 

Publication Date Project Title / Description

    PDF   Drawings

 Survey   Results

   XYZ File

Metadata   File
12/12/2018
Condition Survey Complete Project Drawing
Expand List item 7621Collapse List item 7621  

Southwest Harbor | Project Map

Publication Date Project Title / Description PDF Drawings Survey Results Channel Coordinates XYZ File Metadata File
3/7/2019
Condition Survey
Complete Project Drawing
Expand List item 7627Collapse List item 7627  

Union River  | Project Map

Publication Date Project Title / Description PDF Drawings Survey Results Channel Coordinates XYZ File Metadata File
1/22/2019
Condition Survey
Complete Project Drawing
Expand List item 7629Collapse List item 7629  

Winter Harbor | Project Map

Publication Date Project Title / Description PDF Drawings Survey Results Channel Coordinates XYZ File Metadata File
3/6/2019
Condition Survey
Complete Project Drawing
Expand List item 7555Collapse List item 7555  Bagaduce River
Publication Date: N/A
Project Map:  
Expand List item 7556Collapse List item 7556  Bar Harbor
Publication Date:

12/9/1987 
Project Map:  
PDF Drawings:  
Expand List item 7558Collapse List item 7558  Bass Harbor Bar | Project Map
Publication Date Project Title / Description PDF Drawings Survey Results Channel Coordinates XYZ File Metadata File
3/1/2019
Condition Survey
Complete Project Drawing
Expand List item 7559Collapse List item 7559  Beals Harbor | Project Map
Publication Date Project Title / Description PDF Drawings Survey Results DGN File XYZ File Metadata File
3/1/2017
 After Dredge Survey
Complete Project Drawing
Expand List item 7560Collapse List item 7560  Belfast Harbor | Project Map
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
9/25/2018
Condition Survey
Complete Project Drawing
Expand List item 7561Collapse List item 7561  Bucks Harbor
Publication Date: 5/23/2011
Project Map:  
DGN File:  
XYZ File:  
PDF Drawings:  
Meta Data File:  
Results of Survey:  
Expand List item 7562Collapse List item 7562  Bucksport Harbor | Project map ,| Channel Coordinates
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
10/1/2021
Condition Survey
Complete Project Drawing
Expand List item 7564Collapse List item 7564  Camden Harbor  | Channel Coordinates
Publication Date: 9/7/2012
Project Map:  
DGN File:  
XYZ File:  
PDF Drawings:  
Meta Data File:  
Results of Survey:  
Expand List item 7565Collapse List item 7565  Cape Porpoise Harbor | Project Map | Channel Coordinates  
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
3/5/2020
After Dredge Survey
Complete Project Drawing
Expand List item 7566Collapse List item 7566  Carvers Harbor
Publication Date: 6/11/2012
Project Map:  
DGN File:  
XYZ File:  
PDF Drawings:  
Meta Data File:  
Results of Survey:  
Expand List item 7567Collapse List item 7567  Cathance River
Publication Date: 1/18/2013
Project Map:  
DGN File:  
XYZ File:  
PDF Drawings:  
Meta Data File:  
Results of Survey:  
Master Project Layout:  
Expand List item 7568Collapse List item 7568  Cobscook Bay | Project Map
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
Expand List item 7569Collapse List item 7569  Corea Harbor | Project Map  | Channel Coordinates
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
5/2/2019
Condition Survey
Complete Project Drawing
Expand List item 7570Collapse List item 7570  Criehaven Harbor
Publication Date: 1/26/1995
Project Map:  
PDF Drawings:   
Expand List item 7571Collapse List item 7571  Damariscotta River | Project Map, | Channel Coordinates
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
9/28/2021
Condition Survey
Complete Project Drawing
Expand List item 7572Collapse List item 7572  Deer Island Thoroghfare,| Project map ,| Channel Coordinates
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
10/29/2021
Condition Survey
Complete Project Drawing
Expand List item 7574Collapse List item 7574  Frenchboro Harbor | Project Map, | Channel Coordinates
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
1/10/2022
Condition Survey
Complete Project Drawing
Expand List item 7580Collapse List item 7580  Georges River  | Project Map
Publication Date Project Title / Description PDF   Drawings Survey Results XYZ File Metadata File
  9/6/2018
Condition Survey
Complete Project Drawing
Expand List item 7581Collapse List item 7581  Harraseeket River | Project Map
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
7/13/2018
Condition Survey
Complete Project Drawing
Expand List item 7582Collapse List item 7582  Hendricks Harbor | Project Map, | Channel Coordinates
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
4/29/2022
Condition Survey
Complete Project Drawing
Expand List item 7583Collapse List item 7583  Isle Au Haut Thoroughfare, | Project map ,| Channel Coordinates
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
11/22/2021
Condition Survey
Complete Project Drawing
Expand List item 7584Collapse List item 7584  Isles of Shoals Harbor
Publication Date: 6/1/1967
Project Map:  
PDF Drawings:  
Expand List item 7585Collapse List item 7585  Jonesport Harbor | Project Map
Publication Date Project Title / Description

PDF Drawings

Survey Results

XYZ File

Metadata File
12/12/2018
Condition Survey
Complete Project Drawing
Expand List item 7586Collapse List item 7586  Josias River | Project Map | Master Layout Plan  
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
8/7/2018
Condition Survey
Complete Project Drawing
Expand List item 7587Collapse List item 7587  Kennebec River | Project Map

 

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 

 

 

Expand List item 7596Collapse List item 7596  Kennebunk River | Project Map | Channel Coordinates
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
5/04/2018
Condition Survey
Complete Project Drawing
Expand List item 7597Collapse List item 7597  Lubec Channel | Project Map | Channel Coordinates
Publication Date Project Title / Description

PDF Drawings

Survey Results

XYZ File

Metadata File
  10/07/2020
Condition Survey
Complete Project Drawing
Expand List item 7598Collapse List item 7598  Machias River | Project Map | Channel Coordinates
Publication Date Project Title / Description

PDF Drawings

Survey Results

XYZ File

Metadata File
   10/07/2020
Condition Survey
Complete Project Drawing
 
Expand List item 7599Collapse List item 7599  Matinicus Harbor
Publication Date: N/A
Project Map:  
Expand List item 7600Collapse List item 7600  Medomak River
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
7/31/2020
Condition Survey
Complete Project Drawing
Expand List item 7602Collapse List item 7602  Narraguagus River | Project Map, | Channel Coordinates
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
   9/24/2020
Condition Survey
Complete Project Drawing
Expand List item 7603Collapse List item 7603  New Harbor | Project Map, | Channel Coordinates
Publication Date Project Title / Description PDF Drawings Survey Results DGN File XYZ File Metadata File
8/15/2013
Condition Survey
Complete Project Drawing
Expand List item 7604Collapse List item 7604  Owls Head Harbor | Project Map

 

Publication Date Project Title / Description PDF Drawings Survey Results Channel Coordinates XYZ File Metadata File
2/22/2019
Condition Survey
Complete Project Drawing
Expand List item 7605Collapse List item 7605  Penobscot River
Publication Date Project Title / Description

PDF Drawings

Survey Results

XYZ File

Metadata File
   10/27/2021
Condition Survey
Complete Project Drawing
 
Expand List item 7606Collapse List item 7606  Pepperell Cove | Project Map | Anchorage Coordinates 
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
9/05/2019
Condition Survey
Complete Project Drawing
Expand List item 7607Collapse List item 7607  Pig Island Gut | Project Map
Publication Date Project Title / Description PDF Drawings Survey Results DGN File XYZ File Metadata File
3/14/2017
 After Dredge Survey
Complete Project Drawing
Expand List item 7608Collapse List item 7608  Pleasant River
Publication Date: N/A
Project Map:  
Expand List item 7609Collapse List item 7609  Portland Harbor | 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
Expand List item 7610Collapse List item 7610  Portsmouth Harbor and Piscataqua River | Project Map
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
Expand List item 7611Collapse List item 7611  Richmond Harbor | Project Map
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
Expand List item 7612Collapse List item 7612  Richmond Island Harbor
Publication Date: N/A
Project Map:  
Expand List item 7613Collapse List item 7613  Rockland Harbor | 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
Expand List item 7614Collapse List item 7614  Rockport Harbor | Project Map
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
11/14/2018
Condition Survey
Complete Project Drawing
Expand List item 7615Collapse List item 7615  Royal River | Project Map
Publication Date Project Title / Description PDF Drawings Survey Results DGN File XYZ File Metadata File
12/11/2015
After Dredge Survey
Complete Project Drawing
Expand List item 7616Collapse List item 7616  Saco River | Project Map | Channel Coordinates
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
8/18/2021
Condition Survey
Complete Project Drawing
Expand List item 7617Collapse List item 7617  Sasanoa River, | Project Map  | Channel Coordinates
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
7/30/2020
Condition Survey
Complete Project Drawing
Expand List item 7618Collapse List item 7618  Scarborough River | Project Map | Channel Coordinates
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
10/19/2021
Condition Survey
Complete Project Drawing
Expand List item 7619Collapse List item 7619  Searsport Harbor | Project Map, | Channel Coordinates
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
2/16/2021
Condition Survey
Complete Project Drawing
Expand List item 7620Collapse List item 7620  South Bristol Harbor, | Project Map |Channel Coordinates
Publication Date: 6/17/2011
Project Map:  
DGN File:  
XYZ File:  
PDF Drawings:  
Meta Data File:  
Results of Survey:  
Expand List item 7623Collapse List item 7623  St. Croix River
Publication Date: N/A
Project Map:  
PDF Drawings:  
Expand List item 7624Collapse List item 7624  Stockton Harbor | Project Map
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
9/26/2018
Condition Survey
Complete Project Drawing
Expand List item 7625Collapse List item 7625  Stonington Harbor | Project Map, | Channel Coordinates
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
10/29/2021
Condition Survey
Complete Project Drawing
Expand List item 7626Collapse List item 7626  Sullivan Falls Harbor
Publication Date: 9/28/2012
Project Map:  
DGN File:  
XYZ File:  
PDF Drawings:  
Meta Data File:  
Expand List item 7628Collapse List item 7628  Wells Harbor | Project Map  | Channel Coordinates
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
7/30/2020
Condition Survey
Complete Project Drawing
Expand List item 7630Collapse List item 7630  Wood Island Harbor and The Pool at Biddeford | Project Map, | Channel Coordinates
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
    3/28/2022
Condition Survey
Complete Project Drawing
Expand List item 7631Collapse List item 7631  York Harbor | Project Map, | Channel Coordinates
Publication Date Project Title / Description PDF Drawings Survey Results XYZ File Metadata File
12/9/2021
Condition Survey
Complete Project Drawing