(A) The following criteria shall control when designing storm water conveyance facilities;
(1) Open channels and roadside ditches: 25-year design storm;
(2) Storm sewers and inlets design storm: 25-year design storm; and
(3) Entrance pipes and cross drains: 25-year design storm.
(B) Maximum headwater under 100-year storm shall not be allowed to overtop roads or increase the flooding potential in the affected areas.
(Ord. 2017-07, passed 11-27-2017)