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<br /> <br />ECC <br />UGENE ITY OUNCIL <br />AIS <br />GENDA TEM UMMARY <br /> <br /> <br /> <br />Adoption of Resolution 4876 Amending Local Stormwater Systems Development Charge <br />Methodology Concerning Credits; and Amending Resolution No. 4740 <br /> <br /> <br />Meeting Date: June 12, 2006 Agenda Item Number: 2D <br />Department: Public Works Staff Contact: Fred McVey <br />www.eugene-or.gov Contact Telephone Number: 682-5216 <br /> <br /> <br /> <br />ISSUE STATEMENT <br /> <br />The proposed resolution modifies the stormwater system development charge (SDC) methodology to <br />incorporate additional stormwater SDC credits associated with stormwater quality facilities and <br />pollution reduction measures. <br /> <br /> <br />BACKGROUND <br /> <br />Stormwater quality credits for SDCs are based on a public system benefit from development treating <br />stormwater quality through privately constructed and maintained facilities and effective impervious area <br />reduction techniques. Developments utilizing private means for water quality treatment can reduce the <br />demand for downstream public facilities for water quality treatment. Establishing stormwater quality <br />SDC credits provides a general recognition of reduced demand and provides a modest incentive for <br />meeting and exceeding minimum water quality treatment requirements. <br /> <br />The original development of proposed stormwater quality SDC credit provisions was accomplished with <br />the involvement of a Stormwater User Fee and SDC Department Advisory Committee (DAC). The <br />recommendation coming out of the DAC included: “A one-time stormwater SDC credit will be provided <br />for approved water quality treatment Best Management Practices (BMPs) that are in excess of the <br />minimum requirements, in recognition that stormwater runoff from developments utilizing such BMPs <br />requires fewer downstream public facilities for treatment. The sizing and degree of treatment provided <br />by the BMPs, and demonstration of exceedence of minimum requirements, will be based on the <br />methodology outlined in the City’s proposed Stormwater Management Manual.” The currently <br />proposed credit provisions are consistent in principle with those reviewed with the DAC and have been <br />updated to reflect the City’s currently-proposed stormwater development standards. <br /> <br />Implementation of stormwater quality SDC credits is related to adoption of stormwater development <br />standards which require water quality treatment at sites of new development. As indicated in the DAC <br />recommendations, adopted standards provide a basis for evaluation of the degree of impact reduction of <br />a development. The proposed credits recognize impact reduction and provide incentives for pollution <br />reduction across three types of development sites: 1) those not subject to the standards for stormwater <br />pollution reduction but which treat all or a portion (minimum 20%) of the impervious area of the <br />development site; 2) sites where a portion of the site impervious area is subject to the standards for <br />stormwater pollution reduction but treat runoff from 20% or more impervious area than the minimum <br />required; and, 3) sites where all of the site impervious area is subject to the standards for stormwater <br />pollution reduction which reduce a minimum of 20% of the total impervious area of the development <br />site through use of impervious area reduction techniques. More detail is provided in the proposed <br />revisions to the SDC methodologies as shown in Exhibit A to the proposed resolution (Attachment A). <br /> <br />L:\CMO\2006 Council Agendas\M060612\S0606122D.doc <br /> <br />