[Tagging] key:drinking_water for OSM ways

Warin 61sundowner at gmail.com
Fri Feb 21 06:37:12 UTC 2020


So a water tank with drinking water cannot be tagged as drinking water 
because there is no local access. Fine.
Then it is only tagged as a tank with contents=water, or should there be 
yet another value for it contents=drinking_water?
Or a sub tag water=drinking water...


On 21/2/20 5:10 pm, European Water Project wrote:
> Hi Martin,
>
> There are a couple of issues I see with drinking_water=yes not having 
> a concept of access.
>
> 1. Where is the observability  ? How can I know if a water tank has 
> drinking quality water or just agriculture quality water ?
> From the wiki :
> "One can assume that the water is pure when many people drink it every 
> day."
> This is hard to assume, and one would never know if there is water ...
>
> 2.   But there is an even bigger issue --- and I will admit that I am 
> biased because of the European Water Project's use case.
> For a map feature to be useful, it should have universality. Ie. if 
> one maps restaurants with toilets, at least customers should have 
> access ...
> Someone who goes to the OSM way where there is a water tank, even with 
> a wallet full of cash, will die of thirst before getting a drink.
> It's similar to toilet=yes ...   A restaurant with a toilet for 
> employees only, probably shouldn't have the tag.
> Yes, there is an access tag, but in most cases access is implied.
>
> drinking_water = yes, seems to come with access in 99% of the 61,300 
> nodes and the large majority of the 8,178 ways.
>
> Best regards,
>
> Stuart
>
>
>
>
>
>
> On Thu, 20 Feb 2020 at 19:33, Martin Koppenhoefer 
> <dieterdreist at gmail.com <mailto:dieterdreist at gmail.com>> wrote:
>
>     Am Do., 20. Feb. 2020 um 19:14 Uhr schrieb European Water Project
>     <europeanwaterproject at gmail.com
>     <mailto:europeanwaterproject at gmail.com>>:
>
>         Dear All,
>
>         I have noticed that the the key drinking_water = yes for ways
>         is sometimes used in a manner not described in the wiki.
>
>         https://wiki.openstreetmap.org/wiki/Key%3Adrinking_water
>
>         The issue has to do with ways which might store drinking water
>         which is not actually directly accessible.  I think this tag
>         should be for accessible water.
>
>
>
>     I don't read from the wiki description that the drinking water
>     must be directly accessible. It depends on the context feature.
>
>     Cheers
>     Martin
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