Drinking water symbol from https://github.com/gravitystorm/openstreetmap-carto
https://raw.githubusercontent.com/gravitystorm/openstreetmap-carto/master/symbols/amenity/drinking_water.svg https://github.com/gravitystorm/openstreetmap-carto/commits/master/symbols/food_drinkingtap.p.20.png
Andy Allan, Michael Glanznig (svg form)