Definitions — "H"
Seattle Mun. Code § 23.60A.916
in effect"Habitat unit" means a metric used to measure the ecological function of a geographic area. Habitat units are based on the combined quality of the existing habitat features, such as shallow water habitat and shoreline vegetation, of a geographic area. "Harborfront" means the area in the Shoreline District from Bay Street on the north to South Jackson Street on the south. "Hard stabilization. " See "Shoreline stabilization." "Heat exchanger" means a device that uses water to cool a structure and discharges warm water into a water body. "Historic ship" means a structure that was designed and used as a vessel, whether currently able to move under its own power or not, that has been designated by the Landmark Preservation Board as historic or listed on the National Register of Historic Places. Historic ships that do not have a means of self-propulsion and steering equipment are regulated as vessels. "House barge" means a structure that floats on water and is designed or used as a place of residence without a means of self-propulsion and steering equipment or capability. "Hyporheic zones" means a region beneath and lateral to a water body where there is exchange of shallow groundwater and surface water and nutrients and fauna. (Ord. 125882 , § 2, 2019; Ord. 124750 , § 66, 2015; Ord. 124105 , § 3, 2013.)
Source: Seattle Municipal Code (Municode library)URL: https://library.municode.com/wa/seattle/codes/municipal_codeFetched: 7/25/2026