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BEST MANAGEMENT PRACTICES <br /> City of Minneapolis <br /> June 10, 1991 <br /> PROBLEMS SOURCES POSSIBLE SOLUTIONS <br /> Sediment Winter Maintenance of Streets New methods for application of sand and salt to streets <br /> Construction erosion Construction of grit chambers at all discharge structures <br /> Regular cleaning of storm sewers and grit chambers <br /> Inspection and enforcement of erosion control requirements <br /> Diversion of snowmelt to sanitary sewers <br /> Nutrients: Fertilizers Education <br /> Phosphorus Lawn Clippings/Leaves Regulation of fertilizer content <br /> Nitrogen Construction erosion Licensing of fertilizer applicators <br /> Proper disposal of grass clippings and leaves <br /> Improved street sweeping/cleaning <br /> Construction of grit chambers at all discharge structures <br /> Regular cleaning of grit chambers and storm sewers <br /> Inspection and enforcement of erosion control requirements <br /> Oil and Grease Illegal dumping Field screening for detection of illegal discharges (including weekend <br /> Street runoff inspections) <br /> Enforcement of discharges to storm sewer system <br /> Penalties <br /> Improved street cleaning/sweeping <br /> Organics Animal Waste Improved street sweeping/cleaning <br /> Lawn Clippings/Leaves Education <br /> Litter Enforcement <br /> Construction of litter skimmers at all discharge structures <br /> Metals: Illegal Discharges from Industry Field screening for detection of illegal discharges <br /> Lead Industry Runoff Enforcement of EPA storm water permit requirements <br /> Zinc Winter Maintenance of Streets New methods for application of sand and salt to streets <br /> Copper Auto Emissions Improved street sweeping/cleaning <br /> Diversion of snowmelt/runoff to sanitary sewers <br /> Toxic Chemicals Fertilizers Regulation of fertilizer content <br /> Industry runoff Licensing of fertilizer applicators <br /> Tires Enforcement of EPA storm water permit requirements <br /> Field screening for illegal discharges <br /> Improved street sweeping/cleaning <br /> Bacteria Animal Waste Require pet owners to pick-up animal waste <br /> Improved street sweeping/cleaning <br />