Ordinance No. 20369 - Laserfiche WebLink

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9.6420 ParkinCl Area Standards. (2) Drainage. All parking areas, except those in conjunction with a single family or two family dwelling, shall be graded so as not to drain storm water over the public sidewalk or onto any abutting property. Drainage improvements shall be provided as required by the stormwater provisions of EC 9.6790 to 9.6797. Section 3. Section 9.6510 of the Eugene Code, 1971, is repealed. Section 4. Sections 9.6790, 9.6791, 9.6792, 9.6793, 9.6794, 9.6795, 9.6796, and 9.6797 are added to the Eugene Code, 1971, to provide: 9.6790 Stormwater Manaaement Manual. In order to implement Section 9.6791 through 9.6797 of this code, the City Manager shall adopt in accordance with EC 2.019, City Manager - Administrative and Rulemaking Authority and Procedures, a Stormwater Management Manual. The Storrrlwater Management Manual may contain forms, maps and facility agreements and shall include requirements that are consistent with the following goals: (1) Reduce runoff pollution from development by reducing impervious surfaces and capturing and treating approximately 800/0 of the average annual rainfall. (2) Control and minimize flows from development in the Headwater Areas using a variety of techniques to release water to downstream conveyance systems at a slower rate and lower volume, thereby reducing the potential for further aggravation of instream erosion problems. (3) Emphasize stormwater management facilities that incorporate vegetation as a key element, and include design and construction requirements that ensure landscape plant survival and overall stormwater facility functional success. (4) Operate and maintain stormwater management facilities in accordance with facility-specific 0 & M Plans. (5) Reduce pollutants of concern that are generated by identified site uses and site characteristics that are not addressed solely through the pollution reduction measures by implementing additional specific source control methods including reducing or eliminating pathways that may introduce pollutants into stormwater, capturing acute releases, directing wastewater discharges and areas with the potential for relatively consistent wastewater discharges to the wastewater system, containing spills on site, and avoiding preventable discharges to wastewater facilities, surface waters or ground waters. 9.6791 Stormwater Destination. (1) Purpose. The purpose of EC 9.6791 is to protect life and property from flood and drainage hazards by maintaining the capacity of the city's stormwater conveyance system through the establishment of destination regulations for stormwater runoff from development. (2) Applicability. Destination standards apply to all development. (3) Standards. Stormwater drainage facilities shall be designed and constructed Ordinance - 3