What is "waters down"

Usage examples of "waters down".

There is the lake country at the north, covered with forests, and the summit level occupied by four great inland seas, which pour their waters down over the precipice of Niagara into the lowermost lake, and thence flow off in a northeasterly direction into the ocean.

There was a crack like the loudest of thunder-a grinding, twisting sound-the roar and surge of mighty waters, and the lake bed below us broke cleanly from one hill to another, pulling itself apart and tilting to pour all its moon-bright waters down into the darkness of the gigantic split in the earth.

She swims mostly along the surface, so what difference does it make how much waters down below her?

Had they ridden the rough waters down and slipped by the Komantsi and the Conejeros?

He looked therefore, and looked again, even till the springs that were in his head sent the waters down his cheeks.