[Tagging] RFC #2: Lake, pond, and reservoir proposal

[Brian M. Sperlongano]

On Wed, Jan 5, 2022 at 1:20 PM Mike Thompson <miketho16 at gmail.com> wrote:

>
>
> On Wed, Jan 5, 2022 at 10:54 AM Adam Franco <adamfranco at gmail.com> wrote:
>
>> Reading through the proposal I see one particular case node covered and
>> another that isn't clear related to farm infrastructure.
>>
>> A common feature of farms near me are "manure lagoons
>> <https://en.wikipedia.org/wiki/Anaerobic_lagoon>". These normally are
>> located near barns or feed-lots and have liquid sewage piped into them.
>> The contents are often stored for some period before being pumped into
>> tankers which spray the contents on fields as fertilizer. According to the
>> description of water=wastewater
>> <https://wiki.openstreetmap.org/wiki/Tag:water%3Dwastewater>, it is
>> unclear if natural=water+water=wastewater is the appropriate tagging for
>> these "manure lagoons". They are usually constructed as basins with no
>> outflow other than possibly an emergency overflow pipe.
>>
>> I was actually wondering about manure lagoons myself.  IMHO it would be
> ideal if we would have only one high level tag for all surface water, e.g.
> natural=water. That way we can map it, and then later add more detailed
> tags (either because initially we didn't know what kind of water it was [a
> city person might not know about manure lagoons, but they can tell there is
> some brownish water there], or because there was not yet an established tag
> for such a sub-feature).
> Mike
>

In the tailings pond proposal, we agreed on man_made=tailings_pond, and no
natural=water for those features, because the consensus was that tailings
(aka mining waste) was not water.  I am by no means a farming expert, but
under the same logic, a manure lagoon sounds like it's also not water?
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