[Tagging] Drain vs. ditch

Joseph Eisenberg joseph.eisenberg at gmail.com
Wed Jan 16 21:46:31 UTC 2019

> a stream is small enough to be stepped over

I believe the wiki says a stream is narrow enough that a health adult can
JUMP over it, so about 2 meters wide or less.

There was a proposal to call smaller natural waterways “brooks” if they
were small enough to step over, but this was rejected.

> I have been tagging them as drains, because they
are too small to be called a stream

I believe this is incorrect, if these are natural waterways rather than
man-made drainage features.

Drains and ditches are always man-made.
On Thu, Jan 17, 2019 at 6:38 AM EthnicFood IsGreat <
ethnicfoodisgreat at gmail.com> wrote:

> > Date: Wed, 16 Jan 2019 13:32:04 -0500
> > From: Kevin Kenny <kevin.b.kenny at gmail.com>
> > To: "Tag discussion, strategy and related tools"
> >       <tagging at openstreetmap.org>
> > Subject: Re: [Tagging] Drain vs. ditch
> >
> >
> > On Wed, Jan 16, 2019 at 1:05 PM EthnicFood IsGreat
> > <ethnicfoodisgreat at gmail.com> wrote:
> >> Then what would you call a natural waterway that is too small to be a
> >> stream?
> > The Wiki says that a stream is small enough to be stepped over, but
> > gives no lower bound.
> >
> > I can't think of many permanent watercourses around here that are
> > small enough to step over. Rock-hop, usually. Sometimes wade. I
> > personally don't switch from 'waterway=stream' to 'waterway=river'
> > until I'm telling myself that I might someday want to map the banks.
> >
> > You can rock-hop https://www.flickr.com/photos/ke9tv/21811867291 in a
> > dry season if you're more coordinated than I am (I wound up with boots
> > full of water), but at 30 m across it's still a river. In springtime
> > that crossing is completely impassable.
> The wiki description of a stream surprises me.  I always thought of a
> stream as something too big to step over.  In the area where I live,
> smaller waterways are sometimes called "ditches" (even if they're
> natural), and sometimes they're called "drains."  There is even such a
> thing as a "legal drain," which carries certain restrictions and
> requirements.
> Mark
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