Abrogation and greater restrictions. This Section 16-16 is intended to expand on the Floodplain Management Regulations established in Section 16-15, however is not intended to repeal, abrogate, or impair any existing sections including land development regulations, subdivision regulations, zoning ordinances, stormwater management regulations, and building codes, nor any existing easements, covenants, or deed restrictions. However, where this section and other ordinance, easement, covenant, or deed restriction conflict or overlap, whichever imposes the more stringent restrictions shall govern.