>
> For me, English common sense says a 'water source' could be a river, lake,
> spring etc...
> the portability of water is not a measure of its source (where it comes
> from) but its purity...
>
> So I'd think the key should be
>
> Water_purity with the key values 'potable', 'nonpotable' and 'unknown'
> ('yes' does not imply anything in the context of water purity nor water
> source).
>
> That key can be added to rives, lakes, drinking fountains etc etc .. no
> changes are required for present tags. Simply the additional information
> can be added.
>
Warin, I don't know if you followed the discussion and saw the proposal in
the wiki.
In short, it all started with the lack of good option to map a source of
non-potable water, like a water tap. It evolved from there to the current
state. The proposal from the last email reflects to ~90 % everything
suggested as the discussion proceeded.
I agree that water_purity sounds better than many other combinations
though. So if you could suggest how to tag a tap with non-potable water, we
can reconsider it.
Cheers,
Kotya
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