On Mon, 16 Apr 2018 15:33:22 +0100, Jim.GM4DHJ ... another notorious,
troll-feeding idiot, blabbered:

yes foul, waste and rainwater ...

In the good old days it all ended up in a combined sewer anyway because
there was no storm sewer.....

It all seemed to have ended up in your big gob, senile one! BG