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Admin Order 58-12-14
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Admin Order 58-12-14
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Last modified
11/7/2012 2:23:00 PM
Creation date
11/7/2012 2:09:00 PM
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City Recorder
CMO_Document_Type
Admin Orders
Document_Date
11/2/2012
Document_Number
58-12-14
Author
CRO
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SECTION 1 Introduction <br />NPDES Six Minimum Control Measures <br />• Public Education & Outreach <br />• Public Involvement & Participation <br />• Illicit Discharge & Elimination <br />• Construction Site Stormwater Control <br />• Post - Construction Stormwater Management <br />• Pollution Prevention in Municipal Operations <br />Lane County provides stormwater services in accordance with its Stormwater Management Plan <br />(SWMP). Many of the services in the River Road -Santa Clara area are provided by the City of <br />Eugene on behalf of Lane County through Inter - governmental Agreements (IGAs). Lane <br />County's SWMP was updated in July of 2011 and a new Stormwater IGA with the City of <br />Eugene was approved in December 2011. Lane County's current NPDES was to expire on <br />December 31, 2011 but has been administratively extended by the DEQ until a new permit is <br />negotiated and issued. <br />Drywell Elimination Program <br />The regulatory drivers for eliminating most or all public drywells are described in this Basin Plan <br />in Section 4.1.2. Approximately half of the City of Eugene's publicly owned and managed <br />drywells, and most of Lane County's owned and managed drywells, are in the River Road -Santa <br />Clara area. At the time of this information update, the Oregon DEQ has not yet issued any <br />WPCF permits in Oregon, with the exception of City of Portland's permit. While permit <br />conditions are not finalized, based upon the latest draft WPCF permit template, the City of <br />Eugene is proceeding with its strategy, described in Section 4.3 of this Plan, to eliminate public <br />drywells. Once a permit is issued, the City will re- evaluate and refine its strategy if necessary. <br />The County is currently prioritizing risk levels for its drywells and is reevaluating its drywell <br />management /decommissioning strategy with regard to changes in the latest draft WPCF permit <br />template. Where the City and County have drywells in the same area, the agencies will continue <br />to seek ways to partner on projects for the sake of efficiency and cost - effectiveness. <br />Capital project concepts identified in the document to address UIC decommissioning are simply <br />starting points for the project design and implementation. Final designs are likely to differ from <br />conceptual design concepts based on changing circumstances and additional information <br />gathered during the design process. The South of Horn Lane UIC cluster, for example, identified <br />on- street raingardens as the conceptual decommissioning strategy. However at this time, large - <br />scale street improvements are not likely in the near future for this area, and other options such as <br />individual rain gardens will need to be considered. As another example, one of the City's first <br />UIC capital projects to be constructed (A1 -8 -UIC, Escalante, further described in the following <br />paragraph) was conceptually identified as a piped decommissioning project. However, through <br />the dynamic design process a more advantageous solution was developed resulting in a <br />neighborhood vegetated swale as the final design. <br />Capital projects Al -3 -UIC, A14-UIC (Shirley 1 &2), and Al -8 -UIC ( Escalante) were selected <br />for implementation by the City of Eugene first because they include drywells with the least <br />N:ASTORMWATER \City of EugencARR_SC Stormwater Basin Plan\2012 Document \Master_ Plan _9- 18- 12_DR-AFT Word Version.doc 1 -6 <br />
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