runoff

Rainfall not absorbed by soil.

The overflow of fluid from a container.

An extra competition held to break a tie.

That portion of precipitation or irrigation on an area which does not infiltrate or evaporate, but instead is discharged from the area.

Dissolved chemicals, etc, included in such water.

A second or further round of an indecisive election, after other candidates (often all but the last two) have been eliminated

a final election to resolve an earlier election that did not produce a winner

the occurrence of surplus liquid (as water) exceeding the limit or capacity