[Tagging] Tagging Digest, Vol 62, Issue 31

[Warin]

On 12/11/2014 9:35 AM, tagging-request at openstreetmap.org wrote:
> A "non-potable water" introduces two problems:
> 1) a mapper may not know if the water is potable or not; there may be no
> way to check it or he may not be able to do it; still adding a water source
> is useful;
> 2) I don't like creating too many top-level tags. I could live with it,
> however, as long as we don't have a better defined tagging system. But the
> previous item is still an issue.
>
>
>> >  "nonpotable_water" and "drinking_water" also have no overlap, which is
>> >good.
>> >"drinking_water" and "water_tap" overlap.
>> >
>> >
> So what's your suggestion for a water source of unknown potability?
>
>
> Cheers,
> Kotya

Where something is 'unknown' one assumes its quality/specification to 
maintain safety. Thus a water source of unknown potability should be 
tagged as "nonpotable_water" as this maintains safety.
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