[Tagging] Deprecate water=pond?

Alessandro Sarretta alessandro.sarretta at gmail.com
Tue Nov 10 05:59:05 UTC 2020


Hi,

I don't agree with the deprecation of water=pond. I find it perfect for 
small body of water like the ones you can see here for cows watering: 
https://www.openstreetmap.org/way/301144562

Ale

On 10/11/20 06:26, Joseph Eisenberg wrote:
> The tag water=pond was added with a large number of other types of 
> "water=*" in 2011, but it has a poorly defined description.
>
> "A pond <https://en.wikipedia.org/wiki/Pond>: a body of standing 
> water, man-made in most cases, that is usually smaller than a lake. 
> Salt evaporation ponds should be tagged with landuse 
> <https://wiki.openstreetmap.org/wiki/Key:landuse>=salt_pond 
> <https://wiki.openstreetmap.org/wiki/Tag:landuse%3Dsalt_pond>, 
> open-air swimming pools — with leisure 
> <https://wiki.openstreetmap.org/wiki/Key:leisure>=swimming_pool 
> <https://wiki.openstreetmap.org/wiki/Tag:leisure%3Dswimming_pool>."
>
> So it might be artificial, like a landuse=reservoir or 
> water=reservoir, but smallish. Or it might be natural like a 
> water=lake, but smallish. However, nothing on the water=lake page 
> defines a lower limit for the size of a lake.
>
> This is a shame, because all the other values of water=* are clearly 
> defined as only natural, or only artificial, and waterway=* features 
> are also clearly divided. Furthermore, the original lags 
> landuse=reservoir and landuse=basin were also clearly artificial, 
> while lakes were natural.
>
> But the biggest problem is that there is no way to define a lower size 
> for a lake or reservoir, or an upper size for a pond. And the size of 
> the area is easier available from the geometry of the feature, so it 
> doesn't need to be mentioned in the tag.
>
> I think the best option is to deprecate water=pond and suggest using 
> water=lake for natural lakes, even small ones, and use water=reservoir 
> or water=basin (or landuse=reservoir or =basin if you prefer) for the 
> artificial ones.
>
> -- Joseph Eisenberg
>
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Alessandro Sarretta

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