TQ4582 : Beckton STP: Empty Secondary Settling Tank
taken 32 years ago, near to Creekmouth, Barking And Dagenham, England
Beckton STP: Empty Secondary Settling Tank
This is a similar tank to TQ4582 : Beckton STP: Secondary Settling Tank, but empty to show the channel that drains the supernatant. It also shows the booms which sweep along the bottom collecting the sludge.