On 28/05/2018 19:27, Steve Walker wrote:


That depends upon the system in the area. Where we live, there is a
single, combined sewer for foul waste and rainwater and no soakaways
except for the newest houses.


Indeed. I was about to point out to Harry that he seemed to have
condemned most if not all of the the Victorian housing stock of England
(and much that was built later). And Joseph Bazalgette.
--
Robin
reply-to address is (intended to be) valid