[Tagging] Feature Proposal - RFC - Reservoirs, lakes, and ponds

[Eugene Alvin Villar]

Thanks, Brian, for taking the lead on this. I generally agree with the
overall direction of the proposal. There's a lot of details on the proposal
page but I guess we can discuss them on the wiki talk page.

On Sun, Dec 20, 2020 at 10:58 PM Brian M. Sperlongano <zelonewolf at gmail.com>
wrote:

> A proposal[1] to clarify the tagging of reservoirs, lakes, and ponds is
> now open for comments.
>
> This proposal:
>
>   1. Deprecates landuse=reservoir
>   2. Provides definitions for:
>      a. water=reservoir
>      b. water=lake
>      c. water=pond
>
> It is clear from various multiple discussions on this topic that there are
> still open questions from the original 2011 water=* proposal, as well as
> the exact definition of a reservoir, and how they differ from lakes and
> ponds.  Previous discussions indicated that there is community support for
> maintaining a distinction between lake and pond, rather than eliminating or
> merging these concepts.
>
> The definitions posed in this proposal were developed with the help of
> considerable community input over the last week, and I want to thank the
> numerous folks that collaborated on this.  The real world presents many
> edge cases that make it challenging to come up with clear definitions, but
> that should not prevent us from trying.
>
> The goal in these definitions is to *describe* rather than *prescribe* how
> reservoir, lake, and pond are actually tagged.  This necessarily involves
> some degree of subjectivity between the categories, and the proposed
> definitions leave it to mappers to make these subjective decisions when a
> body of water exhibits some characteristics of more than one of these terms.
>
> As this topic has been discussed ad nauseam for nearly a decade, I hope
> that this proposal, discussion, and subsequent vote will allow us to put
> this issue to rest, and/or document the level of community support that
> exists for different tagging schemes.
>
> [1] https://wiki.openstreetmap.org/wiki/Proposed_features/Reservoir
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