[Tagging] Quarry lakes

[António Madeira]

I brought this up on the discussion page because no one seems to know
how to tag these features. In my area, in a 2 mile radius, there are 4
tags for the same "quarry type" lake.
It is forbidden to swim in all of them, not only because is obviously
dangerous, but because they're all in private lands.
In terms of rendering, they're clearly seen if there's already a
landuse=quarry on the spot, because the blue sits over the gray area:
https://www.openstreetmap.org/#map=17/39.68664/-8.89403

water=quarry_lake seems a good fit for these bodies of water.




Às 14:35 de 24/12/2020, Volker Schmidt escreveu:
> Hmmm.
> Most lakes around here are probably former quarries, but it is not
> always obvous.
> What could be of practical interest is, what kind of activity is lecit
> on a like: none, swimming, boating, fishing, ecc.
> The origin of the lake is of less importance in my view.
>
> Volker
>
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> On Thu, 24 Dec 2020 at 18:24, Brian M. Sperlongano
> <zelonewolf at gmail.com <mailto:zelonewolf at gmail.com>> wrote:
>
>     A commenter on the reservoir proposal[1] pointed out the existence
>     of quarry lakes[2], which is a lake that is formed after a quarry
>     has been dug after a mining operation.  It was suggested that such
>     bodies of water should be tagged separately from other lakes with
>     a tag such as water=quarry.
>
>     Should quarry lakes be tagged under a separate value from water=lake?
>
>     Should quarry lakes be tagged as a subset of lake, something like
>     water=lake + lake=quarry?
>
>     If there is consensus that quarry lakes should be excluded from
>     water=lake, obviously that impacts how water=lake is defined.
>
>     Existing usages:
>     water=quarry_lake: 37
>     water=quarry: 27
>     water=Quarry: 18
>     lake=quarry: 1
>
>     [1]
>     https://wiki.openstreetmap.org/wiki/Proposed_features/Reservoir
>     <https://wiki.openstreetmap.org/wiki/Proposed_features/Reservoir>
>     [2] https://en.wikipedia.org/wiki/Quarry_lake
>     <https://en.wikipedia.org/wiki/Quarry_lake>
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