On Sat, Oct 27, 2018 at 6:05 AM Paul Allen <pla16...@gmail.com> wrote:
> > It has the disadvantage that it doesn't make sense. At least not to me, > as a native speaker of > British English (which is the normal language for defining OSM tags) and > as somebody who > doesn't work in sanitation. Maybe a British sanitation engineer would use > basin or a non-British > speaker would use basin but I most definitely would not. > > Firstly, I don't think of a settling tank or clarifier as a basin. A > porcelain object for washing hands > in a bathroom is a basin and a geological depression in which water > collects is a basin, and a > man-made depression for holding water might be a basin but a clarifier > isn't. I can see the > commonalities in all of those but a clarifier just isn't a basin. Other > than bathroom porcelain, > a basin requires a depression in the ground. > There are some wastewater treatment facilities that use settling basins. The ones I've mapped all use more advanced technology. Where I have heard of settling basins is those used by large farm operations. The one that comes to mind is during the flooding in the US Southeast where pig farmers settling basins were covered by flood waters which resulted in tons of waste flowing into the area. If the wastewater plant used settling basins then they should be mapped as such. But as I said, all of the plants I've seen use clarifiers and digesters. > > > -- @osm_seattle osm_seattle.snowandsnow.us OpenStreetMap: Maps with a human touch
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