Andrew wrote:
if your water comes from Hardham then a lot of their water is now
sucked in from the adjacent river Arun. They built a new inlet and
piped it under the A29 to get to Hardham treatment works.

Not a lot of people know that there's a long forgotten canal tunnel linking
Arun and Rother at Hardham:
http://sias2.pastfinder.org.uk/sih_1...08/41-2011.pdf
I wonder if they reused any of that for the inlet?

Theo