Runoff

This page is available in multiple languages:
Runoff (English)
流出水 (日本語)
Escorrentía (Español)
Eaux de ruissellement (Français)

Farm runoff in Iowa carrying away soil and fertilizer.

Water from irrigation, snowmelt or rain that flows from the land surface into streams, creeks, wetlands or the ocean. Read much more on runoff from urban areas in the article on Urban Runoff.