"T i m" wrote in message
...
On Thu, 26 Jul 2018 11:52:58 +0100, "NY" wrote:

snip

So it would seem that using grey water (eg bathwater) *is* allowed by
hosepipe. Which is sensible: if it was otherwise going to go down the
drain,
it makes sense to reuse it for watering the garden.

I guess it all depends if you want to keep it in use as drinking water
or not?

If it goes 'down the drain' it quickly goes back though the water
treatment plant and back to your tap.

That depends where the outflow from the sewage works goes. If the water is
clean enough to supply as drinking water, that's fine, but many parts of the
country discharge the treated water into rivers, so it still has to go
through the evaporation of the sea and rainfall stages before it gets back
to the tap.


If hosepipe bans really *did* outlaw you using water from the tap, after
being used for bath, for watering garden via a hosepipe, than there would be
the problem of how else do you water a garden? If you collect rainwater, you
need to make sure the water butts are higher than the ground to be watered
or have a pump. In contrast, bathrooms are usually upstairs and so it's easy
to siphon water from there onto the garden outside.