Excess should drain naturally through the holes.

Some of the water is draining naturally through the drains that still work.

Using fieldstone or brick over a porous base like sand or crushed stones will allow the water to drain naturally.

Water from the surrounding countryside does not therefore drain into the river naturally, and drainage schemes have relied on pumping to remove the water.

Once in place, blood will naturally drain from the heart into the pumping chamber of the mechanical device.

When swarf is left in a bin or a skip, some of the excess cutting fluid will naturally drain under gravity.

From one shallow sea into another, rivers drained naturally, pulled by the tidal surges.

I know because I cleaned twigs and leaves out of it at least two or three times a year to allow the swamp to drain naturally.

The lake used to drain naturally underground and the water resurfaced at the source of the Orbe River.

It is constantly replenished by a surge of water naturally drained into the pool by gravity.