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Staff Values <br /> the city's wetlands which are viewed not only as an important provide <br /> but also as a significant water drainage and water quality natural City staff <br /> resource for the aesthetic and environmental value they resource. re for <br /> de , he <br /> Third: INCIASED•STORMWATER VOLUME -- As the Eugene '' s <br /> urban area has grown, the number of surfaces that do not absorb <br /> stormwater (rooftops, streets, parking Tots) have also grown. The net - to .t . <br /> result is an ever - increasing volume of water that must be managed by citizen <br /> the storm drain system. • - Eugene <br /> Fourth: DECLINING SYSTEM CAPACITY AND PERFORMANCE -- undertake <br /> their d <br /> While the City continues to meet U.S. Corps of Engineer 'work :and <br /> requirements to ensure a grade _ flood insurance rating, the city's dellivery deiv the a : the <br /> current storm drain system is increasingly unable to manage the • 'service based <br /> increased volume of storm water. Open storm drain systems located a '` on he <br /> within developed residential subdivisions have proven to be difficult to following <br /> maintain, and in some cases no longer function, in part due to their values: <br /> use as disposal areas for brush, grass, and other materials. An <br /> increasing number of ponding situations are occuring after storms <br /> because of indequate drainage due to blocked culverts or inlets or <br /> backwater caused by undersized downstream storm sewers. As the <br /> city continues to expand, particularly in neighborhoods in west and ° <br /> north Eugene where the slope of the land does not encourage natural <br /> runoff, changes in the storm drain system will be required. <br /> PROPOSED SERVICE DELIVERY APPROACH FOR THE <br /> FUTURE <br /> Historically, stormwater management in Eugene has focused on <br /> drainage_and flood control objectives. Demands for improved water <br /> quality, wetland restoration, and enhanced drainage performance and <br /> capacity have come together in a way that has enabled the city's total <br /> approach to stormwater management to be re- evaluated. <br /> After extensive public involvement and comment, the City Council <br /> adopted a Comprehensive Storm Water Management Plan (CSWMP) <br /> in of 19 that outlines the direction of the city's efforts, not only <br /> to improve the quality of the city's surface water, but to do it in a way <br /> that integrates the objectives of storm drainage, surface water quality <br /> enhancement, and wetland management into a unified service <br /> system. <br />