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  2. National Pollutant Discharge Elimination System (NPDES)

Alternative Site Stormwater Management Case Studies

<<Return to the main off-site stormwater management webpage

View the following webinar on using off-site stormwater management to promote green infrastructure.


The following off-site stormwater management studies provide examples of a range of strategies used by local and state governments.

  • Saint Paul, Minnesota

    River in Saint Paul

    Two adjacent watershed districts serving overlapping municipalities partnered to develop matching off-site stormwater management requirements.

    Explore
  • Grand Rapids, Michigan

    Grand Rapids river

    An off-site stormwater management program provides three different mechanisms to promote cost-effective stormwater management solutions and to encourage installation of green infrastructure.

    Explore

 
  • Delaware

    Stormwater pond in Delaware

    Delaware's Department of Transportation generates stormwater credits by building voluntary stormwater control measures outside regulated project areas or designing additional capacity into stormwater control measures constructed for compliance.

    Explore
  • Washington, DC

    Stormwater pond in Washington, DC

    Experienced off-site stormwater management program leverages robust database to track performance and improve process efficiency and outcomes.

    Explore

National Pollutant Discharge Elimination System (NPDES)

  • About NPDES
    • Permit Basics
    • State Program Information
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  • All NPDES Program Areas
    • Animal Feeding Operations
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      • Combined Sewer Overflows (CSOs)
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  • NPDES Technical Resources
    • Resources for Permit Writers
    • NPDES Permit Writers' Manual
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    • Electronic Notice of Intent (eNOI)
    • NPDES Applications and Forms
Contact Us About NPDES
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on August 14, 2024
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