A catch basin is a large drain, usually placed in low areas of a yard, to catch surface runoff water. It usually consists of surface drain that leads to an enlarged box beneath that is then tied to an underground drainage system that finally leads to downspout drains or storm sewers.

How deep do catch basins go?

Residential catch basins can range from 6 to 12” where commercial basins can get up to 20” or more.

What is a catch basin in a house?

A catch basin is a drainage system designed to carry water away from buildings and properties. … They catch, hold and filter runoff water from around the home by allowing solids to settle to the bottom of the basin while the water continues through the downward-sloped pipe.