A Storm Water Management Plan for the entire development which governs the overall storm water management of the development shall be submitted to and approved by the City of West Des Moines. The Storm Water Plan shall be prepared at the developer's expense, by a Professional Engineer licensed in the State of Iowa. The Storm Water Management Plan shall comply with the City's applicable design standards for storm water management existing at the time of overlay district site plan approval. (Ord. 2502, 2-7-2022)