(A) Profile. A profile and mapping of flood- water depths and coverage shall be prepared for the property for the 2-year, 10-year, and 100-year events. Direction of flow and velocities shall also be reported for critical points in the drainage system.
(B) Detention. The minimum available storage to be provided in a detention basin shall be based on the runoff from the 100-year, 24-hour event and reservoir routing (also called level pool), or equivalent.
(C) Streets. If streets are to be used for storage of excess stormwater ponding depths shall not exceed curb heights by more than one inch and shall not remain flooded for more than eight hours for any event less than or equal to the 100-year event.
(Ord. 7-28, passed 5-9-07
; Am. Ord. 8-70, passed 7-16-08)
Penalty, see § 152.99