sentences:  Rankins objected when the Great Eastern Railway wanted to build a reservoir near Rochford railway station, by constructing a weir across the stream.They argued that it damaged their business.At spring tides, the mill pound filled to a depth of above the level of the cill, and this provided enough water to run the mill for 7 hours, but the level and the length of time the mill could be operated dropped off as the tides reduced, and at neap tides, the mill was wholly dependent on water from the upper river.