(A) Excavations must provide for complete self-drainage, or;
(B) In the event self-drainage is not provided, all of the following conditions must be met:
(1) A minimum water depth of four feet shall be maintained at all times.
(2) All shorelines, within the zone of water level fluctuation, shall be constructed and maintained on a slope of four feet horizontal to one foot vertical, or steeper, and where the sloping may result in the creation of a hazardous or dangerous condition, the provision of fencing, exit ramps or stairs, ladders, or other safety devices may be required.
(3) The topmost berm around the excavation shall be constructed and maintained to permit ready access of, and shall be continuously available to, light vehicles for purposes of mosquito control.
(4) Provision shall be made for prompt and adequate control of all aquatic vegetation, and the removal of debris and flotage below the topmost berm.
('69 Code, § 15-49)