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• Standards are met when the runoff from the entire site during the City's Water Quality <br /> Design Storm is treated through BMPs selected, designed, installed, and maintained <br /> according to the Stormwater BMP manual. <br /> 2) Flow Control Requirements [9.6530] —requires runoff from new development in Headwater <br /> Areas be controlled in order to avoid erosion and to maintain base flow in Headwater <br /> streams. These are in addition to the stormwater quality controls. <br /> • Applies to new land use applications and development permits in Headwater Areas that <br /> involve more than 3,000 square feet of new or replaced impervious surface area. See <br /> ordinance for exemptions. <br /> • Standards are met if a development site does not cause peak flow rates delivered to a <br /> Headwaters stream to increase during storms larger than the Water Quality Design Storm <br /> (ie a storm representing 80% of annual rainfall) and smaller than the Flood Control <br /> Design Storm (i.e. 10-year storm event). Options for meeting this requirement must be <br /> selected, designed, installed, and maintained according to the BMP Manual. <br /> 3) Oil Controls [9.6540]. Requires removal of floatable oils and grease, in addition to <br /> conventional stormwater quality treatment. <br /> • Applies to new uses that generate high concentrations of oil, such as high traffic volume <br /> areas, and outdoor storage of petroleum products. <br /> • Standards are met when oil/water separator BMPs are sized, designed, installed, and <br /> maintained according to the BMP Manual. <br /> 4) Structural Source Controls. Requires land uses known to generate pollutants to design new <br /> facilities to minimize contact between pollutants and stormwater, primarily through covering <br /> areas where exposure is likely to occur. <br /> • Applies to new land uses that use, store, display, or dispense pollutant products or <br /> sources outdoors. See ordinance for specific uses. <br /> • Standards are met when sources are covered and runoff avoids the public drainage <br /> system. <br /> How to Get More Information <br /> To obtain copies of the proposed ordinance or its companion document, Stormwater Best <br /> Management Practices (BMP) Manual, visit the City's Website at <br /> www.ci.eugene.or.us/pw/storm/??, or contact at . <br /> Public Outreach, Review and Adoption Process <br /> • Public Work Shop—learn more, ask questions: June?_, 2002 [time, location] <br /> • Planning Commission Hearing—public testimony: July 2, 2002 [time, location] <br /> • City Council Hearing—public testimony: September 23, 2002 [time, location] <br />