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WASHTENAW COUNTY CONSERVATION DISTRICT
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Stormwater Runoff and Management

Picture
PictureTop: Rain Barrel Middle: Pervious Pavement Bottom: Street Sweeping
Stormwater runoff is generated when precipitation from rain and snowmelt flows over land or impervious surfaces like paved streets, parking lots, and building rooftops, and does not percolate into the ground.  As this runoff water flows over the land or impervious surfaces it accumulates pollutants such as fertilizers, oil, yard waste, litter, animal waste, and anything else along the way as it runs into storm drains and ditches.

The storm drain system then transports these pollutants into the nearest stream, river or lake.  These pollutants may cause algae blooms, increased temperature, or contribute to the degradation of the water quality of our lakes, streams and rivers.

Stormwater Information
  • Michigan Stormwater Program

Stormwater Management
To manage stormwater discharges, there are a variety of practices that can be implemented by homeowners, those planning and constructing new developments, managers retrofitting existing developments, or municipalities.

A few of these practices, and further information are listed below:

Homeowners
  • Plant rain gardens and native plants.
  • Install a rain barrel.
  • Pick up after pets.
  • Repair fluid leaks on vehicles.
  • More information for homeowners:
    • Huron River Watershed Council
    • Washtenaw County Stormwater Pollution Prevention

New & Existing Developments
  • Conserve natural areas
  • Riparian buffers
  • Porous pavement
  • Infiltration basins & trenches
  • More information regarding developments:
    • Washtenaw County Stormwater Permit

Municipalities
  • Street sweeping
  • Mark storm drains
  • Street design
  • Grassed swales

Washtenaw County Conservation District
(734) 302-8715
info@washtenawcd.org

​ 705 N. Zeeb Rd. Ann Arbor, MI 48103
Copyright 2020
  • About Us
    • Contact Us
    • Board of Directors
    • Staff >
      • Career Opportunities
    • Resource Assessment
    • Conservation Update Newsletter
    • FOIA Requests
  • 2020 Millage
  • Resources
    • School & Community Habitat Grant >
      • Applicant Resources
    • Rain barrels & Composters >
      • Rain Barrels Information
      • Rain Barrel Common Questions
    • Tool and Equipment Rental
    • Contractor Lists
    • Hunter Access Program
  • Store
  • Events
    • Native Plant Expo & Marketplace >
      • Vendor Application
      • Expo Sponsorship
    • Tree & Shrub Distributions
    • Fish Stock Day
  • Conservation Planning
    • NRCS Farm Bill Programs
    • MAEAP
    • Local Cost-Share Opportunities
    • MI Farmland Preservation
    • Invasive Species
  • Education
    • Workshops & Programs >
      • Community Conservation Education
      • Conservation Agriculture Education
      • Conservation Stewards Program
    • Online resources >
      • Agriculture >
        • Farmland Preservation
        • Soils >
          • Washtenaw County Soils
          • Soil Sampling >
            • Homeowner Soil Testing
            • Agricultural Soil Testing
        • Windbreaks
        • Composting >
          • Composters
      • Forestry >
        • Tree & Shrub Planting Guide
        • Common Tree Diseases & Pests
        • Crop Tree Management
        • Fruit Tree Planting & Care
        • Likelihood of Deer Damage
        • Other Forestry Links
        • Pruning Forest Trees
        • Timber Sales
        • Urban Trees
      • Insects >
        • Animal & Insect Repellents
      • Invasive Species & Control
      • Native Plants >
        • Planting Native Plants
        • Seeding Wildflowers
      • Recycling
      • Water >
        • Groundwater >
          • Groundwater Protection - Agriculture
        • Pond Construction >
          • Pond Management
        • Rain Gardens
        • Shoreline Property
        • Stormwater Runoff & Management
        • Stream Bank Erosion and Control
        • Wells >
          • Water Testing
          • Water Screening Events
        • Wetlands >
          • Wetland Mitigation Banking
        • Wildlife >
          • Brush Piles
          • Clearcutting
          • Den Trees
  • Get Involved
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