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Untreated runoff. Contaminated stormwater runoff due to construction activities that <br /> has not been filtered, screened, settled, or othem4se treated fbr the removal ofpollutants~ <br /> prior to discharge/nto the City's stormwater system, designated buffers, or Related Natural <br /> Resource Areas. <br /> <br /> Water f~atures. Pment or intermittent bodies of water, including creeks, streams, <br /> ponds, rivers, lakes, Related Natural Resource Areas, drainage channels and jurisdictional <br /> wetlands. <br /> <br /> Vegetative buffer. A strip of protected land not less than 25 feet in width separating <br /> ground disturbed by construction activity from a water feature, related natural resource area, <br /> or a property line, wh/chever is nearest, contakfing vegetation at least 1 inch in height that <br /> covers at least 80% of the buffer area. The buffer area must be on the site covered by the <br /> permit or be reserved for such use in writing by the property owner. <br /> <br /> Visible or measurable eros/orr Evidence of concentrated flows of water over bare <br /> soils, turbid or sediment laden flows, or evidence of on-site erosion such as rivulets on bare <br /> soil slopes where the flow of water is not filtered or captured on the site using the techniques <br /> recommended ~n the City's ErosionPrevention and Construction Site Management Practices <br /> Manual or an approved Construction Site Management Plan, or comparable techniques; and, <br /> earth slides, mud flows, earth sloughing, or other earth movement which leaves the property. <br /> <br /> Wetlands. Any parcel or portion ofaparcel which meets the state or federal deflation <br /> of wetlands that are under the jurisdiction of state or federal laws. Synonymous with <br /> jurisdictional wetlands. <br /> <br /> Wet weather season. October 15 through April 30, unless otherwise designated by <br /> the City Engineer. <br /> <br />R~6.645-C A[~l~licabilR-v. <br /> <br /> 1. These rules, and Sections 6.625 to 6~645 of the Eugene Code, 1971 apply to all <br />construction related activities that result in any one or all of the following: <br /> <br /> 1.1 Land disturbance, including but not limited to clearing, grading, grubbing, <br /> logging, excavating, filling, and storing of materials; <br /> <br /> 1.2 Structural development, includ/ng, but not limitedto bu/ldings, bridges, roads, <br /> and other infrastructure such as utilities and sewers; <br /> <br /> t.3 Impervious surfaces, including, but not 1/m/ted to parking lots, driveways, <br /> <br />Administrative Rule - 8 <br />C \l'EMP~3ErostonPrev-2ao wpd <br /> <br /> <br />