afflux / influx

riptide, rip current, offshore current - a strong surface flow of water returning seaward from near the shore.

flow back, regurgitate, back up, counterflow

counter current, flowing in the reverse direction

rapid, rapids (section of a river with turbulent waters)

a male given name

a male given name

river source, headstream, headwaters / source of something such as a civilization or culture

a male given name

muddy stream, muddy current or flow, dirty fluid