⛴ Strabane Canal (4m), River Foyle (10m), Lower Bann Navigation (40m), Ulster Canal (46m), Lagan Canal (27m), Newry Canal (19½m), Newry Ship Canal (4½m)
⛴ Erne-Shannon Waterway (39m), Lough Allen Canal (4½m)
⛴ River Shannon Navigation (133½m), River Suck Navigation (10m), Lecarrow Canal (1m)
⛴ Boyne Navigation (19m), River Liffey (6⅝m)
⛴ Royal Canal (90m), Longford Canal (5m)
⛴ Grand Canal Main Line (81⅝m), Naas Branch (2½m), Corbally Branch (5m), Old Barrow Line (1¾m), New Barrow Line (1¾m), Edenderry Branch (1m), Kilbeggan Branch (8⅛m)
⛴ Barrow Navigation (non-tidal section. 42¾m), Barrow Navigation (tidal section. 22⅛m), River Suir (12⅛m), Kilkenny Canal