“City” shall mean the City of Lakewood, Washington, or as indicated by the context, may mean the appropriate department, official or employee, or agent representing the City in the discharge of his or her duties. For purposes of this chapter, “City” shall be construed to also include those areas joining the City’s utility by execution of an interlocal agreement for drainage services within the City.

“Detention” shall mean the short-term storage of storm drainage runoff that has been artificially collected and then released at a predetermined rate.

“Duplex” shall mean one two-family dwelling, either wholly or partially located on a parcel or contiguous parcels, consisting of a building containing not more than two complete living units, designated and/or used to house not more than two families living independently of each other and including all necessary household functions of each such family.

“Duplex condo” shall mean one complete condominium living unit with its own tax parcel number connected to another complete condominium living unit.

“Duplex condo equivalent” shall mean 1,703 square feet of impervious area.

“Duplex equivalent” shall mean 3,406 square feet of impervious area.

“Engineer” shall mean a professional civil engineer, currently licensed by the state of Washington, retained by and acting on behalf of the parcel owner.

“Gravel” shall mean all graveled surfaces available for use as roads, driveways, or other access ways for vehicular traffic, parking, production, storage, staging, and holding areas. (Gravel surface area shall be considered 75 percent impervious.)

“Impervious area” shall mean the horizontally projected surface area of all nonvertical surfaces of all buildings, mobile homes, or other structures, and the surface areas of all asphalt, concrete, gravel, oil mat, bituminous or other finished surfaces not covered by structures.

“Master plan” shall mean the storm drainage and surface water management plan adopted by City ordinance for managing storm drainage and surface water runoff facilities and features within the City.

“Mobile home equivalent” shall mean 1,457 square feet of impervious area.

“Multifamily” shall mean a dwelling, either wholly or a building containing more than two complete living units, designated and/or used to house more than two families living independently of each other and including all necessary household functions of each family.

“Owner or owner of record” shall mean the holder of title by recorded deed or the purchaser under a recorded real estate contract.

“Parcel” shall mean a state, county, or City public highway, or the smallest unit or plot of land separately segregated for tax purposes.

“Residential” shall mean a parcel or contiguous parcels with one single-family home or mobile home, designed and/or used to house a single family, either wholly or partially located on it or them.

“Residential equivalent” shall mean 2,640 feet of impervious area.

“Retention” shall mean the long-term storage of ground water by means of percolation.

“Service charge” means the charge levied on parcels in the City.

“System” shall mean the entire system of storm drainage and surface water runoff facilities owned by the City or over which the City has right of use and responsibility for the movement and control of storm drainage and surface water runoff, including both naturally occurring and manmade facilities.

“Urban service area” shall mean the drainage basins located in the City served by the storm drainage and surface water management utility as identified in the City’s adopted storm drainage and surface water management plan.

“Vacant/undeveloped” shall mean a parcel of land that has no impervious area. [Ord. 687 § 1, 2018; Ord. 289 § 3, 2002; Ord. 47 § 3, 1996.]