“Apartments” means any parcel that contains six or more residential units and is used primarily for residential purposes.

“Developed parcel” means any parcel altered from the natural state by the construction, creation, or addition of impervious surfaces.

“Director” means the Director of the Department of Public Works or the Director’s designee.

“Drainage facility” means the system of collecting, conveying, and storing surface and storm water runoff. Drainage facilities shall include, but not be limited to, all surface and storm water conveyance and containment facilities, including streams, pipelines, channels, ditches, swamps, lakes, wetlands, closed depressions, infiltration facilities, retention/detention facilities, erosion/sedimentation control facilities, and other drainage structures and appurtenances, both natural and constructed.

“Illicit discharge” means any discharge to the storm system that is not composed entirely of storm water, discharge resulting from emergency firefighting, or other discharges specifically authorized by this chapter.

“Impervious surface” means a hard surface area which either prevents or retards the entry of water into the soil mantle as it entered under natural conditions prior to development, and/or a hard surface area which causes water to run off the surface in greater quantities or at an increased area of flow from the flow present under natural conditions prior to development. Common impervious surfaces include, but are not limited to, roofs, walkways, patios, driveways, parking lots, storage areas, areas which are paved, graveled or made of packed or oiled earthen materials, or other surfaces which similarly impede the natural infiltration of surface and storm water. Open, uncovered retention/detention facilities shall not be considered as impervious surfaces for the purpose of this chapter.

“Industrial/commercial property” means any parcel used by a person not defined as apartment, residence or undeveloped parcel.

“Maintenance” means the act or process of cleaning, repairing or preserving a system, unit, facility, structure, or piece of equipment.

“Multifamily residential” means any parcel which contains from one to five residential units within a single structure and is used primarily for residential purposes.

“Parcel” means the smallest separately segregated unit or plot of land having an identified owner, boundaries, and surface area which is documented for property tax purposes and given a tax lot number by the Franklin County Assessor.

“Person” means any individual, firm, company, association, corporation, or governmental agency.

“Property owner of record” means a person or persons shown in the records of the County Assessor to be the owner of property and to whom property tax statements are directed.

“Rate category” means the classification in this chapter given to a parcel in the service area based upon the type of land use on the parcel and/or the surface area (in acres) of the parcel for lands with storm water that enters the public right-of-way.

“Rates” means the dollar amount charged per unit or per parcel in the “General Classification” of PMC 13.80.070 based upon the accommodation of storm water runoff and other surface water management services due to vehicle usage in the public right-of-way associated with the land use activity. Private parcels, excluding single-family residences, with impervious surfaces exceeding 1,000 square feet which drain to the City street or right-of-way shall be charged an additional monthly fee not to be less than 50 percent of the Single-Family Residential (SFR) unit as set forth in PMC 13.80.070.

“Retention/detention facility” means a type of drainage facility designed either to hold water for a considerable length of time and then release it by evaporation, plant transpiration and/or infiltration into the ground; or to hold runoff for a short period of time and then release it to the surface and storm water management system.

“Service charges” means charges to property owners for storm and surface water management services.

“Single-family residence” means a building or structure or portion thereof, designed for and used to provide a place of abode for human beings. The term “residence” includes the term “residential” or “residential unit” as referring to the type of or intended use of a building or structure.

“State highway right-of-way” means the right-of-way of a state limited access highway. The term does not include City streets forming a part of the route of state highways that are not limited access highways or state property under the jurisdiction of the Washington State Department of Transportation (WSDOT) that are outside the right-of-way lines of a state highway.

“Storm water” means the water originating from rainfall and other precipitation that is found in drainage facilities, rivers, streams, springs, seeps, ponds, lakes, and wetlands as well as shallow groundwater.

“Storm water management services” means the services provided by the storm water management utility, including but not limited to basin planning, facilities maintenance, street sweeping, regulation, financial administration, public involvement, drainage investigation and enforcement, aquatic resource restoration, surface and storm water quality and environmental monitoring, natural surface water drainage system planning, intergovernmental relations, and facility design and construction.

“Storm water management system” means constructed drainage facilities and any natural surface water drainage features which collect, store, control, treat and/or convey surface and storm water including pipes, pump stations, and street gutters.

“Undeveloped parcel” means any parcel that has not been altered from its natural state by the construction, creation, or addition of impervious surface(s).

“Utility” means the storm water management utility created under the provisions of this chapter.

“Vacant building” means any unoccupied building or structure or portion thereof, designed for and intended to be used by a person. [Ord. 3935, 2009; Ord. 3386 § 1, 1999; Code 1970 § 13.60.030.]