Except where the context otherwise requires, the definitions contained in this section shall govern the construction of this chapter.
"Development"means any man-made change to improved or unimproved real property, including, but not limited to, buildings or other structures, mining, dredging, filling, grading, paving, excavation or drilling operations.
"Director"means the Director of the Public Works Department or the person designated by the Director.
"Duplex"means two dwelling units located on a single lot or development site placed so that some structural parts are in common.
"Equivalent residential unit" or "ERU"means an area which is estimated to place approximately equal demand on the City's storm drainage system as a single-family unit. One ERU is equal to 3,000 square feet of impervious surface.
"Impervious surface"means any surface which either prevents or retards saturation of water into the land surface, or a surface which causes water to run off the land surface in greater quantities or at an increased rate of flow from that present under natural conditions pre-existent to development. Common impervious surfaces include, but are not limited to, rooftops, concrete or asphalt sidewalks, walkways, patio areas, driveways, parking lots or storage areas, graveled, oiled or macadam surfaces or other surfaces which similarly impede the natural saturation or runoff patterns which existed prior to development.
"Improved premises"means any area which the Director determines has been altered such that the runoff from the site is greater than that which could historically have been expected. "Improved premises" does not include any public ways under the jurisdiction of the City, county, state or federal government.
"Master Plan"means the "City of The Dalles Storm Drainage Master Plan" prepared by Kennedy Jenks Consultant, adopted by the City Council on May 14, 2007, including such amendments to such plan.
"Mobile home park"shall be as defined in Section
10.2.030 of the City's Land Use and Development Ordinance as "manufactured dwelling park."
"Multiple family unit" or "MFU"means a building or facility under unified ownership and control and consisting or more than two dwelling units with each such unit consisting of one or more rooms with bathroom and kitchen facilities designed for occupancy by one family and having a common water meter.
"Open drainageway"means a natural or man-made path, ditch or channel which has the specific function of transmitting natural stream water or storm runoff water from a point of higher elevation to a point of lower elevation.
"Person responsible"means the owner, agent, occupant, lessee, tenant, contract purchaser or other person having possession or control of property or the supervision of a construction project on the property.
"Retention system"means a storm drainage facility which the Director has determined does not discharge, or substantially reduces the discharge, into a public storm drainage facility.
"Runoff control"means any measure approved by the Director by which stormwater runoff from land surfaces on which development exists is reduced.
"Single-family unit" or "SFU"means that part of a building or structure which contains one or more rooms with a bathroom and kitchen facilities designed for occupancy by one family and where the units are sold and deeded as individual units and have individual water meters. The term "SFU" shall be inclusive of those units identified as detached single-family residences, unit ownerships, and condominiums, etc.
"Storm drainage facilities"means any structure or configuration of the ground that is used or by its location becomes a place where stormwater flows or is accumulated, including, but not limited to, pipes, sewers, curbs, gutters, manholes, catch basins, ponds, open drainageways and their appurtenances. "Storm drainage facilities" does not include Mill Creek or other creeks expressly excluded by action of the City.
"Storm drainage service"means the collecting of stormwater discharged from property on which development exists and its deposit directly or indirectly into public storm drainage facilities.
"Stormwater"means water from precipitation, surface or subterranean water from any source, drainage and nonseptic waste water.
(Ord. 07-1284)