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Service Workplan Stormwater Management Service –DRAFT 3 -- City of Eugene 7/26/94 THE BASIC.,, FRVICE Service Mission Eugene spans — square miles and experiences an average annual rainfall of _ The mi . • 1 • he . '[ is to inches a year. This equates to w j w _ - �–a er systems in a way approximately _ gallons of rainwater each that meets the needs of the year. The City of Eugene manages a community and promotes wise system of both built and natural drainage- stewardship of the urban and natural ways to control stormwater flows in order environment. We accomplish this by prevent flooding and hazardous driving providing drainage services and by conditions.�he stormwater system has p g g been working effectively for several decades protecting and enhancing surface now to prevent what was as recently as water quality and wetland resources in 1975 an annual occurrence of flooding in a manner that is cost- effective and Eugene environmentally beneficial and that complies with regulatory requirements. As Eugene has grown, Eugene's stormwater system has grown to include 33 miles of open channels, 250 miles of enclosed stormwater pipe, — catch basins, _ manholes, and 6 stormwater monitoring stations. FY 95 expenditures planned to manage, rehabilitate, and maintain this stormwater system total approximately $4 million. Work includes annual cleaning, inspection, repair and installation of the physical components of the system – the channels, pipe, catch basins, manholes, and monitoring stations. Work on the channels involves regular vegetation control, bank stabilization, debris and sediment removal. The city's regular street sweeping and leaf ickup programs are also included as part of the stormwater program, since they ke essentially stormwater preventive maintenance programs thminimize the debris that can clog the stormwater system. Incremental facility improvements, acquisition, construction, and rehabilitation also take place annually. The City also maintains a data management and mapping program for the stormwater system and develops and implements construction regulations to enforce city drainage standards. The City manages the stormwater system in accordance with federal and state requirements established by the U.S. Corps of Engineers' national flood insurance program, the Federal Emergency Management Agency's flood hazard program, the U.S. Environmental Protection Agency's Clean Water Act, and the State of Oregon's Wetlands Management requirements (more ?). The City's compliance with federal and state laws benefits property owners with positive flood insurance ratings, provides access to federal and state funds to support the system, and authorizes disposal of