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

[Mike Thompson]

On Wed, Jan 5, 2022 at 11:27 AM Brian M. Sperlongano <zelonewolf at gmail.com>
wrote:

>
>
> 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?
>
In both cases it is mainly water.  Manure lagoons contain about 15% solids,
the rest is water. In any event, it seems that we are tagging
municipal sewage treatment ponds as natural=water, and if we do that for
human waste, why not for animal waste?

Mike
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