"Do you think I should explicitly mark as "drinking_water=no" the streams, springs and pits known to be poisonous? They use to have a sign telling it."
drinking_water=no/yes there are misleading and should not be used in my opinion. you have tags like: drinking_water:legal=yes drinking_water:legal=no drinking_water=boil also drinking_water=conditiona It should be enought. Do you think that any information even ephemeral should be on the map? "I mark "amenity=drinking_water" only when the water is subject to microbiological analysis" I absolutely disagree that the water has been tested is the tag drinking_water:legal=yes Regards Slavo
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