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  2. National Pollutant Discharge Elimination System (NPDES)

Case Studies on Community Planning for Resiliency

  • Tools to Enhance Resiliency
  • Data and Mapping Tools
  • Case Studies

Combined Sewer Overflow (CSO) Webinar Series: Communities with Combined Sewers Adapting to a Changing Climate

EPA hosted a three-part webinar series on Communities with Combined Sewers Adapting to a Changing Climate in 2024. Changing climate conditions, such as changes in annual precipitation, storm intensity, storm surge, and/or sea level rise, are anticipated to impact the performance of many combined sewer systems and influence the volume and frequency of combined sewer overflows, sanitary sewer overflows, and basement backups. Several communities shared their stories on how they are impacted by and have adapted to changing climate conditions.

Climate Change Adaptation Resource Center (ARC-X) Searchable Case Studies for Climate Change Adaptation

Searchable Case Studies for Climate Change Adaptation helps local governments effectively deliver services to their communities even in changing climate conditions. Users can select areas of interest and can find information about the following:

  • the risks posed by changing climate conditions;
  • relevant adaptation strategies;
  • case studies illustrating how other communities have successfully adapted to those risks and tools to replicate their successes; and
  • EPA funding opportunities.

Creating Resilient Water Utilities (CRWU) – Adaptation Case Studies for Water Utilities

Many drinking water, wastewater, and stormwater water utilities across the United States are anticipating, planning, and preparing for changing climate conditions. Adaptation Case Studies for Water Utilities includes the area of interest (Example: sea level rise, drought, or green infrastructure), geographic region, or level of government.

Long-term Planning

These long-term planning resources and case studies can be an effective way to prioritize projects to meet water quality standards for a more resilient infrastructure and community:

  • Integrated Planning for Municipal Stormwater and Wastewater
  • About Stormwater Planning

National Pollutant Discharge Elimination System (NPDES)

  • About NPDES
    • Permit Basics
    • State Program Information
    • Permit Limits
    • Program Management and Oversight
    • NPDES Regulations
    • Other Federal Laws that Apply to the NPDES Permit Program
  • All NPDES Program Areas
    • Animal Feeding Operations
    • Aquaculture
    • Forest Roads
    • Industrial Wastewater
    • Municipal Wastewater
      • Combined Sewer Overflows (CSOs)
      • Sanitary Sewer Overflows (SSOs)
      • Peak Flows
      • Integrated Planning
    • National Pretreatment Program
      • Standards and Requirements
      • Roles and Responsibilities
      • Events, Training and Webinars, and Publications
    • Pesticide Permitting
    • Stormwater
      • Construction Activities
      • Industrial Activities
      • Municipal Sources
      • Transportation Sources
      • Oil and Gas Permitting
      • Stormwater Planning
      • EPA's Residual Designation Authority
      • Rules and Notices
    • Water Quality Trading
  • NPDES Technical Resources
    • Resources for Permit Writers
    • NPDES Permit Writers' Manual
    • NPDES Training
    • Tools
    • Electronic Notice of Intent (eNOI)
    • NPDES Applications and Forms
Contact Us About NPDES
Contact Us About NPDES to ask a question, provide feedback, or report a problem.
Last updated on January 7, 2025
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