Background <br /> Comprehensive Stormwater Management Plan <br /> (CSWMP) and stormwater user rates adopted in <br /> 1993. <br /> <br /> The Stormwater Program covers: <br /> . More than 33 miles of ditches and drainage channels <br /> in 42 square miles of City <br /> . 529 miles of storm drain pipes and 139 major outFalls <br /> . More than 9,000 catch basins, stormwater inlets and <br /> outlets <br /> . Sweeping of 872 curb miles of improved streets and <br /> collection of over 8,000 cubic yards of debris per year <br /> <br />