Sergio: Tagging for this type of feature has changed. See osm.wiki/FR:Toilet_Holding_Tank_Disposal

Fixed up tagging of osm.org/node/2532011913/history a bit.

If osm.org/node/3436713108/history is an electric vehicle charging station, it is not a "seamark" fuel station. Could you fix it?
See osm.wiki/Tag:amenity%3Dcharging_station

If all the facilities are separately mapped, then amenity=sanitary_dump_station
water_point=yes should just be
amenity=water_point.

If the building is the sanitary dump station, all the tags can go on the building with building=yes. Any payment:coins or whatever.

You can put those tags onto one node:

amenity=sanitary_dump_station
water_point=yes
sanitary_dump_station:chemical_toilet=yes
sanitary_dump_station:rinse_water=yes
fee=no
access=public

Mgehling there is newer tagging for the toilet station: see osm.wiki/Toilet_Holding_Tank_Disposal (and also in German).

osm.org/node/3461842593 the tag name has a typo.

Is this a self service bicycle tool stand? osm.org/node/3379605184/history

Are the features you tagged "Outhouse" always pit or vault toilets (toilets:disposal=pit)?

Is osm.org/node/977983692 a point where I can fill my caravan with water? Or a drinking fountain?

Glad you found it. Note with Turbo you can even do fuzzy searches like "waste:grey_water" which will find even partial strings.

What does toilets:disposal=50.00000000000 mean?

Alan, thanks for mapping.

There are 7 uses of "sanitary_dump_satation:round_drain", which has a typo in the word "station".

Also the name tag should be blank, unless the station actually has a name.

Sergio: Is node osm.org/node/3309711661 for motorhomes? Is black_water accepted? Is this an "amenity=sanitary_dump_station"?

The tagging of camp site roads as "camp_site=<number>" is unusual here. There is discussion on this topic now on the tagging@openstreetmap.org list.

Is this a place for dog waste, or a place for motorhomes to dump?

Thanks for clarifying. Very similar tags are used for dog waste.

Is osm.org/node/1825440040 for motorhomes or dog waste?

What's the source of this data? "Bing" is listed, but the Bing photos used by OSM do not have village names.