In an earlier contribution to this discussion,
dennis@home wrote:

"Roger Mills" wrote in message
...

Presumably everywhere where there is a combined sewer rather than
separate sewers for foul and surface water.

Like I said where?
AFAIK its been made illegal.
They certainly should be as they overflow in storms and flood places
with raw sewage.

It may be illegal for new build - but the idea of having separate sewers is
fairly recent (1960's?) and lots of places built prior to that have only a
single, combined, sewer.

Regulations like this are not usually retrospective. Do you honestly think
that the powers that be are going to make you build an additional sewer in
existing densely populated areas? The implications of doing this - *and* of
separating the two types of output from *each* property are horrendous.
--
Cheers,
Roger
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