SHAWNEE COUNTY CONSERVATION DISTRICT
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Preventing Urban Water Pollution

Picture
The majority of people now live in cities. These urban environments are characterized by suburbs that contain many acres of hard surfaces. Natural vegetation such as forests, and fields slow rainwater down, allowing it to soak into the surface. In contrast, streets, roofs, parking lots and manicured lawns all provide hard, impervious surfaces that prohibit rain from soaking into the ground. Since the excess rainwater cannot soak into the ground, it accumulates and rushes into storm sewers and waterways.

There is a common misconception that water traveling into storm sewers ends up treated at the local wastewater treatment plant. Because of this misunderstanding, many citizens use storm drains and ditches as places to dispose of all kinds of pollutants. Thus, storm drains carry large amounts of pollution away from urbanized areas mixed with the excess storm water.

Street litter, fertilizers, pesticides, herbicides, pet and yard waste, motor oil, anti-freeze, household hazardous wastes, and paint are just a few of the pollutants that find their way into storm drains. This water travels from storm drains into local creeks, ponds, lakes, and ultimately, into our local streams and rivers.

Because storm drains can be a major source of pollution to our waterways, it is important to keep polluting materials out of them.

 The following is an overview of the problem and some suggestions on how you can help keep storm drains clean.

Household Hazardous Waste

Pollution: Many household products we use daily contain toxic materials that can threaten public health and the environment. Drain and oven cleaners, paint thinners, and bathroom cleaners are just a few of the items we use that can cause serious health and environmental problems.
Solution:
  • Dispose of all unused household hazardous wastes at your local disposal site.
  • Use natural alternatives.

Fertilizers

Pollution: Fertilizers contain large amounts of chemicals that are good for lawns and plants when properly used. The main chemicals contained in fertilizers are nitrogen and phosphorus. These two chemicals can cause accelerated growth of aquatic plants leading to oxygen depletion and large fish kills.
Solution:
  • If you spill fertilizers, sweep them up. Do not wash them into the street and storm drain.
  • Never apply fertilizers before a heavy rain is anticipated.
  • Do not over-apply fertilizers. More application does not mean a greener lawn. It means more watering and mowing. Test the soil to see how much is needed.​

Pesticides and Herbicides

Pollution: Pesticides and herbicides contain toxic materials that pose both environmental and human health risks. Humans, animals, aquatic organisms, and plants can be severely threatened by these chemicals. The toxins found in pesticides and herbicides can runoff lawns and gardens into storm drains and streams when it rains.
Solution:
  • Minimize the use of pesticides and herbicides and use alternatives, if possible.
  • Make sure that all directions and warnings are read before use.

Paint

Pollution: When improperly used, paint can poison people and animals. Lead is an especially harmful content of some paints.
Solution:
  • Donate your old paint to community groups.
  • Dispose of oil-based and lead paints at your local household hazardous waste collection site.

Anti-freeze

Pollution: Anti-freeze can seriously deplete oxygen from water and can be harmful to all plant and animal life, including humans.
Solution:
  • Recycle your used anti-freeze.
  • ​Do not mix used anti-freeze with any other material.

Motor Oil

Pollution: Motor oil can damage or even kill aquatic vegetation and animal life. An oil slick - contaminating two million gallons of drinking water - can develop from one quart of oil.
Solution:
  • Recycle your used motor oil.
  • ​Never pour used motor oil down a storm drain or onto your grass or driveway.

Street Litter and Plastic

Pollution: Large quantities of street litter ends up floating in streams, rivers, and lakes. Street litter is often made of plastics. Plastics take hundreds of years to biodegrade and can be harmful to birds and animals who mistake them for food.
Solution:
  • Put litter into garbage cans. Never throw it into storm drains or the street.
  • Recycle as much plastic and other materials as possible. [Remember to quickly rinse them.]

Yard Waste

Pollution: Yard waste can clog storm drains making it difficult to carry away excessive amounts of water during storms.
Solution:
  • Remove soil, leaves, and grass clippings from your driveway, street, or sidewalk.
  • Compost grass clippings and other plant waste.

Pet Waste

Pollution: If left on your yard, pet waste can release untreated bacteria and other harmful materials into streams.
Solution:
  • Bury or flush pet waste down the drain.
Produced by the City of Topeka Department of Public Works.
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  • Home
  • About Us
    • Conservation Priorities
  • Contact Us
  • Equipment
    • No-Till Drill >
      • No-Till Drill for Rent
      • Drill Use Documents
      • Seed Photos and Information
    • Root Plow
  • Construction
    • Contractors
    • Ponds - Construction, Problems, Repair, Fish >
      • Basic Elements of a Pond Dam (Drawings and Text Version)
      • Pond Dams Build Right - Pictorial Version
      • Pond Management
      • Pond Maintenance
      • Excess Vegetation Management
      • Replacing A Pond Pipe
      • Sealing A Leaky Pond
    • Plugging Abandoned Water Wells 2
  • Partners
    • Other Agencies
  • Natural Resources
    • Conservation Balance
    • Natural Resources
    • Non Point Source Pollution >
      • Non Point Source Pollution
      • Plugging Abandoned Water Wells
      • Septic System Maintenance Links
      • Septic Tank Maintenance
    • Soil >
      • Soil Basics
      • Soil Ecosystem
      • Soil pH
      • Soil Testing
    • Cropland Planting Resources
    • No-Till and Water Infiltration
    • Cover Crops >
      • Cover - Forage Crops
      • Planting - Managing Cover Crops
    • Livestock Water
    • Top 9 BMPS for Nutrient Management
    • Maintain Soil Nutrients
    • Problem Weeds
    • Brush Management
    • Caucasian Bluestem
    • Air Quality
  • Urban and/or Small Acreage
    • Why Urban Conservation
    • Urban/Small Acreage Essentials
    • Country Living Considerations >
      • Country Living
      • Essential Check List
    • Backyard - Projects In Your Own Backyard
    • High Tunnels
    • Urban Hydrology
    • Erosion Control On Construction Sites
    • Preventing Urban Water Pollution
  • Education
    • Request A Presentation
    • What Is A Watershed
    • Outdoor Classrooms
    • Nature's Code of Ethics
    • Student Videos
    • Student - More Info - Turbidity Test Expanded
    • Student - More Info - Properties of Water Expanded
    • Student - More Info - Soils
    • Get Outdoors With Conservation
    • Conservation Word Search Puzzles >
      • Agricultural Puzzle
      • NPS Puzzle
      • What We Can Do Puzzle
    • Photos >
      • Conservation Practice Photo Gallery
      • Livestock Agriculture Photos
      • Pond Photos
      • Prescribed Burning Photos
      • Rural Agriculture Photos
      • Urban Conservation Photos
    • Key Conservation Practices
    • Progress In Conservation
  • Financial Assistance
    • State Cost-Share
    • WRAPS
  • Events
    • District Annual Meeting
    • Envirothon
    • Topeka Water Festival
    • History & Environmental Fair
  • Awards
    • 2021 Grassland Award
    • 2022 Soil Conservation Awards
    • 2021 Outstanding Young Conservation Award
  • NEWSLETTERS