storm water management. storm water is rain or snow melt that does not soak into the ground. it...
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Storm Water ManagementStorm Water Management
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Storm Water ManagementStorm Water Management
• Storm water is rain or snow melt that does not soak into the ground.
• It flows from rooftops, across paved areas and through sloped lawns.
• Storm water picks up pollutants as it goes.
• Pollutants are carried into lakes, streams, rivers and storm sewers.
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Potential Storm Water PollutantsPotential Storm Water Pollutants
• Automotive Fluids
• Yard and Pet Waste
• Sediment
• Chemicals
• Pesticides
• Fertilizer
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Managing Automotive WasteManaging Automotive Waste
• Rainstorms can wash oil stains or spilt automotive fluids from your driveway.
• To prevent pollution:– Be careful to prevent spills when changing oil.– Collect waste oil for recycling.– Do not dump used oil or automotive fluid down
storm drains or on the ground.– Repair fluid leaks.
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Safe Handling of ChemicalsSafe Handling of Chemicals
• Mix chemicals in a confined area such as a washtub to contain spills.
• Read labels carefully before mixing.
• Quickly contain and clean up chemical spills.
• Do not apply pesticides or chemicals within 24 hours of a rain.
• Follow application rates.
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Washing Your CarWashing Your Car
• Washing your car in the driveway creates runoff without a rainstorm.
• Dirty, soapy water goes into storm sewers.
• To prevent pollution problems:– Wash your car on the lawn.– Take your car to a commercial car wash or
spray booth.
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Protect Your BasementProtect Your Basement
• Storm water that enters your home can:– Carry in contaminants that are health problems.– Can pick up chemicals from your basement and
carry them into the sewer or ground.
• To protect your basement:– Seal basement windows or doors against leaks.– Protect windows with clear plastic covers.– Slope the yard away from the foundation.
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Paved SurfacesPaved Surfaces
• Paved surfaces prevent rainwater from soaking into the ground.
• Use alternative materials such as:– Gravel or wood chips for walkways.
– Porous pavement made from interlocking cement blocks or rubber mats.
• Try to allow space for rainwater to soak into soil.
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Bare SoilBare Soil
• Bare soil is easily removed by rainwater or melting snow.
• To prevent soil from being carried into nearby surface water:– Plant ground cover to slow erosion.– Mulch gardens or newly seeded areas.
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Reduce Erosion with LandscapingReduce Erosion with Landscaping
• Landscape low areas with shrubs or flowers to encourage water to soak into the ground.
• Naturalize part of your lawn with prairie, woodland, or wetland plants.
• Leave a buffer strip of thick vegetation near streams or lakes.
• Direct roof drainage to your lawn or flower bed.