Admin Order 58-14-06 - Laserfiche WebLink

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PaMng Area: Any area which can be used by motor vehicles, recreational vehicles, trailers, and boats for parking, including driveways and access aisles providing access to the parking stalls. Pollutant: An elemental or physical product that can be mobilized by water or air and creates a negative impact on the environment Pollutants include suspended solids (sediment), heavy metals (such as lead, copper, zinc, and cadmium), nutrients (such as nitrogen and phosphorus), bacteria and viruses, organics - (such as oil, .grease, hydrocarbons, pesticides, and fertilizers), floatable debris, and increased temperature. Post-Developed Condition: A project's site plan of impervious surface and landscaping after development Pre- DeMoped Condition: The project site's surface conditions prior to the proposed development Privat* Engineered Public Improvement (PEPI): A publicly maintained facility that is designed, constructed, and financed by a private developer, entity, or its agent. Public Works Project: Any development conducted or financed by a local, state, or federal governmental body and includes local improvements and public improvements. Retention Facility: A facility designed to receive and hold stormwater runoff. Rather than storing and releasing the entire runoff volume, retention facilities permanently retain a portion of the water on -site; where it infiltrates, evaporates, or is absorbed by surrounding vegetation. In this way, the full volume of stormwater that enters the facility is not released off-Ate. Retroj1h Installation of a new stormwater facility to treat stormwater from existing impervious area, including, but not limited to existing roofs, patios, walkways, and driving or parldng surfaces. Roadway: Any paved surface used to carry vehicular traffic (cars /trucks, forklifts, farm machinery, or any other large machinery}. Runoff The resulting stormwater flows across the ground surface during and after a rainfall event S"tormwatet: Water runoff that originates as precipitation .on a particular site, basin, or watershed. Stormwater Facility landscaping: The vegetation (plantings), topsoil, drain rock, and other surface elements associated with stormwater management facility design. - Stor mwater Management: The - overall culmination of techniques used to reduce pollutants from, detain and /or retain, and provide a discharge location for stormwater to best preserve or mimic the natural hydrologic cycle on a development site. Public health 5tormwater Management Manual 1 -10 Eugene 2014