For development within the regulatory floodway, the following calculations or analyses shall be submitted to and approved by IDNR-OWR or its designee prior to issuance of a stormwater management certification:
A. Flood damage analysis for the replacement or modification of existing bridges or culverts;
B. Hydraulic analysis of new, modified or replacement bridges or culverts;
C. Analyses of alternate transition sections from those required in subsection 9-10-3E of this title; and
D. Analyses of hydrologically and hydraulically equivalent storage.
E. Any embankment or structure meeting IDNR-OWR's definition of a dam, including areas outside the regulatory floodway. (Ord. G-976, 7-24-2012)