7.11.1.   Detention and retention basins shall be:
   A.   Located in a common area, outside the boundaries of a residential ;
   B.   Owned and maintained by the homeowners organization or management organization established by the developer;
   C.   Located within the perimeter wall, fence, or screening surrounding the FLD boundaries, if provided; and,
   D.   Designed and constructed in compliance with the Stormwater Detention/Retention Manual.
7.11.2.    should be no steeper than four to one where water depths exceed two feet within a detention or retention basin so that a safety barrier is not required.