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  2. National Pollutant Discharge Elimination System (NPDES)

Common Stormwater Planning Topics

  • Stormwater
    Planning Home
  • About
  • Common Topics
  • Community Pilot Projects

Communities around the country may have similar themes in the topics they would like to address in the long-term stormwater planning process. EPA collaborated with four communities to help them pursue long-term stormwater planning. The four community pilot projects focused on the following topics. 

On this page:
  • Asset Management
  • Financing/Funding
  • Stormwater Infrastructure Opportunities
  • Roadway Projects
  • Stakeholder Involvement
  • Development and Redevelopment Policies

Asset Management

People sitting at table in a business meeting

Asset management focuses on data-driven actions and procedures that help communities take a proactive approach to managing stormwater infrastructure rather than focusing on short-term, reactive approaches. It can help communities better leverage resources, ensure adequate operation and maintenance, address flood mitigation, and keep better track of expected pollutant reductions. Asset management programs can be integrated into capital improvement plans and community financial plans.

Asset Management Resources

  • Long-Term Stormwater Planning: A Voluntary Guide for Communities (pdf) (9.68 MB)
    • Characterize Existing Systems Section (page 12)
    • Resources Section (page 28)
  • Long-Term Stormwater Planning Worksheets for starting your asset management planning
    • Worksheet 4: Mapping and Data Management (docx) (1.12 MB)
    • Worksheet 5: Asset Conditions (docx) (1.12 MB)
    • Worksheet 6: Capital Improvements (docx) (1.12 MB)
  • Community Examples
    • Hattiesburg, Mississippi
    • Rochester, New Hampshire

Financing/Funding

Basic desktop items sitting on a desk

To support a successful stormwater program and the implementation of infrastructure projects, communities must provide sufficient funding to support costs for administrative support, design, construction, operation, and maintenance over time. Communities have a variety of funding and financing mechanisms available for stormwater management including dedicated municipal revenue sources as well as external financing options that can be combined to create a funding portfolio that meets program funding needs.

Financing/Funding Resources

  • Long-Term Stormwater Planning: A Voluntary Guide for Communities (pdf) (9.68 MB)
    • Develop, Evaluate, and Select Preferred Alternatives Section (page 18)
  • Long-Term Stormwater Planning Worksheets for starting your financing/funding planning
    • Worksheet 9: Financial Needs (docx) (3.32 MB)
  • Community Examples
    • Hattiesburg, Mississippi
    • Rochester, New Hampshire
    • Santa Fe, New Mexico

Stormwater Infrastructure Opportunities

Hard hat sitting on blue prints

Most communities update, replace, or design new stormwater infrastructure—including green infrastructure—to minimize local flooding and reduce pollutants. Thoughtfully designing, planning, and integrating these capital investments with larger community projects and priorities can be an effective way to tackle these infrastructure needs.

Stormwater Infrastructure Resources

  • Long-Term Stormwater Planning: A Voluntary Guide for Communities (pdf) (9.68 MB)
    • Characterize Existing Systems Section (page 12)
  • Incorporating Green Infrastructure into Roadway Projects in Santa Fe (pdf) (12.2 MB)
  • Site suitability assessment examples for community pilot projects
    • Burlington Site Suitability Assessment (pdf) (14.72 MB)
    • Rochester Site Suitability Assessment (pdf) (13.22 MB)  (Appendix D)
  • Long-Term Stormwater Planning Worksheets for starting your stormwater infrastructure planning
    • Worksheet 4: Mapping and Data Management (docx) (1.12 MB)
    • Worksheet 5: Asset Conditions (docx) (1.12 MB)
    • Worksheet 6: Capital Improvements (docx) (1.12 MB)
  • Community Examples
    • Burlington, Iowa
    • Hattiesburg, Mississippi
    • Rochester, New Hampshire
    • Santa Fe, New Mexico

Roadway Projects

Roadway projects

Roadway and transportation projects can offer opportunities to incorporate green infrastructure and innovative stormwater designs that provide multiple benefits to communities.

Roadway Project Resources

  • Long-Term Stormwater Planning: A Voluntary Guide for Communities (pdf) (9.68 MB)
  • Incorporating Green Infrastructure into Roadway Projects in Santa Fe (pdf) (12.2 MB)
  • Community Example
    • Santa Fe, New Mexico

     

Stakeholder Involvement

Engagement

Identifying a variety of stakeholders and actively engaging them throughout the long-term stormwater planning process is essential. It is critical to connect with stakeholders both before setting long-term goals and throughout the planning process. Maintaining open communication with stakeholders ensures that all view points are considered in the planning process.

Stakeholder Involvement Resources

  • Long-Term Stormwater Planning: A Voluntary Guide for Communities (pdf) (9.68 MB)
  • Using Stakeholder Input to Evaluate and Rank Alternatives (xlsx)
  • Community Examples
    • Burlington, Iowa
    • Hattiesburg, Mississippi
    • Rochester, New Hampshire
    • Santa Fe, New Mexico

Development and Redevelopment Policies

​Edit media  ​

Development and redevelopment policies are important because they outline project requirements that prevent or reduce local flooding, protect natural resources like green space and waterways, and promote desirable development. Development and redevelopment policies can also protect infrastructure and promote better stormwater management.

Development and Redevelopment Resources

  • Long-Term Stormwater Planning: A Voluntary Guide for Communities (pdf) (9.68 MB)
  • Community Examples
    • Rochester, New Hampshire
    • Santa Fe, New Mexico

National Pollutant Discharge Elimination System (NPDES)

  • About NPDES
    • Permit Basics
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    • Animal Feeding Operations
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      • Combined Sewer Overflows (CSOs)
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Contact Us About NPDES
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on March 29, 2025
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