Harbor

harbor

  • Grassy Island lakeward to entrance light: 11.5 miles
    • Maintained at 26' below low water datum.
    • Channel width is 500'
  • Grassy Island to the Mason Street Bridge (Mile 2.25)
    • Maintained to 24' below low water datum
    • Channel width is 300'
  • Mason Street Bridge (Mile 2.25) to Georgia-Pacific turning basin
    • Maintained to 22' below low water datum
    • Channel width is 300'

  • Navigation channel from Georgia-Pacific to De Pere Dam is no longer maintained.
  • Low water datum is 577.5' above mean level at Rimouski, Quebec, Canada.