“Water surface elevation” means the height, in relation to the National Geodetic Vertical Datum (NGVD) of 1929, North American Vertical Datum (NAVD) of 1988, or other datum, of floods of various magnitudes and frequencies in the floodplains of coastal or riverine areas.
(Ord. 1397.15.22 § 1 (part), 2019; Ord. 1397.15.21 § 1 (part), 2007)