#East portion of the site controls minor and major flows through a long [[bioswale]] adjacent to the rail line. Driveways are [[permeable pavement|permeable]] and added top soil helps improve retention of runoff from roofs, which drain to the lawns. | #East portion of the site controls minor and major flows through a long [[bioswale]] adjacent to the rail line. Driveways are [[permeable pavement|permeable]] and added top soil helps improve retention of runoff from roofs, which drain to the lawns. |