[Tagging] How to tag small canals?

[Christoph Hormann]

On Friday 17 August 2018, Javier Sánchez Portero wrote:
> This kind of man-made structure for water transportation is very
> frequent in Azores, Madeira, Canary Islands and Mediterranean
> countries. Please see https://en.wikipedia.org/wiki/Levada

Yes, levadas are a good example for the kind of structures that were not 
on the radar of those who originally invented the waterway tags.

> Now most of them are tagged with waterway=ditch.

You probably agree that this is somewhat unfortunate because there is no 
way to distinguish them from a classic ditch for the data user.

-- 
Christoph Hormann
http://www.imagico.de/