[Tagging] key:drinking_water for OSM ways

[European Water Project]

Hi Warin,

contents=water seems more appropriate

Thanks,

Stuart

On Fri, 21 Feb 2020 at 07:38, Warin <61sundowner at gmail.com> wrote:

> 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>
> wrote:
>
>> Am Do., 20. Feb. 2020 um 19:14 Uhr schrieb European Water Project <
>> 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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