Sewage treatment plant overflow outlet.

This outlet will open to allow excess storm water, mixed with domestic sewage, to bypass the sewage treatment plant when the plant's maximum storage capacity has been exceeded. This means that raw/untreated sewage will flow directly into the sea.

7.10MB/3504x2336pix/@300dpi-29.67x19.78cm,11.68x7.787"

Ref: ENV0020

Location: UK

Photographer: R Hill