A. All drainage designs, storm sewers, detention/retention basins, and other such stormwater runoff appurtenances shall be laid out and designed by an Illinois licensed professional engineer in accordance with the requirements set forth herein and standard engineering practices.
B. Surface water runoff from parking lots, driveways, roofs and pavements shall not be allowed to cross sidewalks or be directed onto private property that is not a part of the site unless easements have been obtained to permit such off site drainage.
C. Surface water runoff shall be directed into municipal stormwater/drainage facilities, if available.
D. Stormwater runoff shall not be directed to nor connected to the sanitary sewer system. Any existing connections of stormwater runoff systems (i.e., storm sewers, downspouts, roof drains, etc.) to the sanitary sewer system shall be immediately removed or the persons in control of said connections shall be subject to citation.
E. Retaining walls shall be constructed where necessary for land stabilization. (Ord. 2013-20)