Irrigation return water may reach surface water as direct runoff (tailwater), as water from subsurface drainage systems installed to control the water table, or as ground water discharged through riverbeds.
(Irrigation return water; may reach; surface water as direct runoff (tailwater) (subsurface drainage systems; installed; to control the water table) (ground water; discharged; through riverbeds)
Irrigation return water subsurface drainage systems ground water
may reach installed discharged
surface water as direct runoff (tailwater
to control the water table
through riverbeds