§ 150.088 STORM WATER CONVEYANCE FACILITIES DESIGN.
   (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)