The stormwater drainage system is a route of drainage for precipitation. (rain or snow) These drainage systems are designed to control quantity, quality, timing and distribution of runoff. Marini Brothers have a long history of designing and constructing drainage systems for municipalities and residential clients. They work with a variety of materials from reinforced concrete, corrugated metal or plastic. They will also utilize ditches and low-lying or depressed stretches of land (swales) as outlets to convey stormwater into and out of the storm sewer system.