This small culvert carries the Swinnel Brook for around 120m on the northern side of Haslingden
The River Calder flows through Cornholme in a few stone culverts, we had a look at the first one which was around 650m in length.
The Limey Water runs through Rossendale in a series of stone and concrete culverts.
Built sometime in the 1980s Bunker is a long concrete storm relief the outfalls to the Manchester Ship Canal
A new storm relief complex in Trafford Park, 3 detention tanks and 700m of sewer were built to stop frequent spills to the Ship Canal.