What does "river water" mean?

Water found in or taken from a river.

River water

Common synonyms include: dutch river water, freshwater, river water sample, river waters, stream water, water sample.

noun

noun ·Rare ·Advanced level

Noun

1
Water found in or taken from a river. countable, uncountable
"They can be changed in various ways; for instance, river water is more turbid than that of lakes, since rivers drain water from the land, ..."

"They can be changed in various ways; for instance, river water is more turbid than that of lakes, since rivers drain water from the land, ..."