a pool at the foot of a small water-fall in a river. The pool is deep because the water plunging into it has eroded the river bed.
A small permanent pool at either the inlet to a BMP or at the outfall from a BMP. The primary purpose of the pool is to dissipate the velocity of stormwater runoff, but it also can provide some pretreatment.
A spot at the base of a waterfall where the descending force of the water strikes the bottom and carves out a basin. A deserted plunge pool is one whose waterfall has migrated upstream.
A hollow at the base of a waterfall creating a deep pool.
A pool at the base of a falls. formed by the erosion of sediment stirred by the waterfall.
A deep pool or basin formed at the foot of a waterfall.
A plunge pool is a pool, lake, or pond that is small in diameter, but deep. The term can also refer to a small deep swimming pool used to cool off.
