[Tagging] Dangerous waterways tagging: hazard?

[ael]

On Mon, Jul 23, 2018 at 10:48:05PM +0200, François Lacombe wrote:
> 
> As the discussion about intermittent/seasonal/... on waterways goes on,
> there is another thing to map: how waterways banks can be dangerous due to
> sudden rise or lower water level.

The obvious tag is hazard, but for some incomprehensible reason it seems
to be used rather rarely. Perhaps it is not in editor presets?

ael