A Master Stormwater Management Plan (MSWMP) which governs the overall stormwater management of the PUD shall be submitted to and approved by the City of West Des Moines as part of the preliminary plat or site plan application process, whichever occurs first. Specific Stormwater Management Plans (SWMP) which demonstrates compliance with the approved Sammons Financial Group PUD Master Stormwater Management Plan, on file with the City, will be required with the development of each subsequent preliminary plat or site plan. The Specific Stormwater Plans shall be prepared at the developer's expense, by a professional engineer licensed in the State of Iowa. All Stormwater Management Plans shall comply with the City's applicable design standards for stormwater management existing at the time each development (site plan) is approved. (Ord. 2372, 7-1-2019)