[Tagging] Feature Proposal - RFC - drinkable

Bryce Nesbitt bryce2 at obviously.com
Sat Mar 1 18:53:18 UTC 2014

There are several smartphone apps that build in drinking water capability:
I helped develop one of them.

drinking_water=yes on a facility means that drinking water is available at
that location, and implies potable.  It's
meant for the common cases such as where a toilet has a standard drinking
water fountain associated with it.

Generally toilets:disposal=flush and drinking_water=yes go together, but
not always.  It's also very useful
as *drinking_water=no* to mark a place you might assume has water
available, but in fact does not.  For example an urban train station,
mountain hut, or flush toilet without drinking water.

I prefer the term *potable,* as it is far less ambiguous.  There's exactly
one meaning to that term, and it's easily looked up.
But the potable concept has mapping complications:
potable according to whom?
Potable because it's shaped like a drinking fountain?
Potable because a sign says it's potable
Potable because local tradition says it's potable?

The hard work here is defining what level of *promise * a tag of
*potable*implies.  Who certified it and when?
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