A Master 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 as part of the Specific Plan approval along with the execution of a master storm water facility maintenance agreement and easement. Specific Storm Water Management Plans demonstrating compliance with the approved Mills Landing Master Storm Water Management Plan, on file with the City will be required with the development of each site plan. The Specific Storm Water Plans shall be prepared at the developer's expense, by a Professional Engineer licensed in the State of Iowa. All Specific Storm Water Management Plans shall comply with the City's applicable design standards for storm water management existing at the time each site plan is approved. (Ord. 2422, 7-6-2020)