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

[Brian M. Sperlongano]

On Wed, Jan 5, 2022 at 5:19 PM Martin Koppenhoefer <dieterdreist at gmail.com>
wrote:

> Beer is only 5% of alcohol, it is probably more than 85% of water, but we
> wouldn't call it water, would we?
>
>
>> 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?
>>
>
> not sure if we should do this either. I also would expect more water in
> sewage than in manure, because cows do not use flush toilets (and there is
> a lot of other water in the sewage as well, e.g. from rain, showers,
> kitchen and bathroom sinks, washing machines, etc.)
>

I also think water=wastewater is not great, but I think the reality of 50K
water=wastewater versus 10K reservoir + reservoir_type=sewage dictates that
water=wastewater is the actual-use winner for how to tag this.  I do intend
my proposal to be very specifically NOT applying an "approved" label to
water=wastewater, but rather to deprecate reservoir_type=sewage with the
suggestion of replacing it with best-available-for-now water=wastewater
until someone comes up with something better.  Water processing has a great
deal of depth and detail worthy of a more detailed tagging scheme, but that
quickly gets us out of scope for lake/pond/reservoir.  The goal here is
removing sewage from the reservoir class of tagging (which is what mappers
have decided 80% of the time anyways) but leaving for future work the
question of how to improve sewage tagging.

Since water=wastewater was not part of the approved 2011 water details
proposal, and is currently marked "in use" on the wiki, I've added language
in the "Affected Pages" section specifically describing that
water=wastewater is not "approved" as part of the scope of this proposal
but rather retains its current status.
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