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Source Water Protection

  • FITS: Funding Integration Tool for Source Water

    FITS is a one-stop-shop tool that explains how users can integrate various federal funding sources to support activities that protect sources of drinking water.

    Navigate between source water protection funding sources, planning and funding coordination information, and examples of funding sources in action, to inspire your own source water protection activities. 

    Now includes 14 federal funding sources! 

    • Learn about the updated FITS and access it here.
  • Protect Source Water with the Drinking Water State Revolving Fund

    America's Water Infrastructure Act of 2018 expanded source water protection-related eligibilities under the Local Assistance Program set-aside.

    • View the webinar and slides.
    • Read the fact sheet and case studies.
    • Read the memo on expanded eligibilities.
    • Learn about using DWSRF set-asides for source water protection loans.
  • Drinking Water Mapping Application to Protect Source Waters (DWMAPS)

    DWMAPS is an online mapping tool that helps state and utility drinking water professionals update their source water assessments and protection plans.

    • Learn more about DWMAPS.
  • Recursos en español

    El agua potable proviene del agua subterránea (acuíferos), arroyos, ríos y lagos. La protección de estas fuentes de agua potable es clave para mantener el suministro de agua potable.​

    • Recursos de Ley de Infraestructura Hídrica de Estados Unidos
    • Protección de las fuentes de agua
    • ¿Cómo proteger las fuentes de agua?
    • Mas recursos de agua

Learn About Source Water

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  • Basic Information
  • How Can You Help Protect Source Water?
  • Partnerships
  • Common Considerations
  • Recursos en español

Assess, Plan, and Protect

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  • Source Water Assessments and Planning
  • Drinking Water Mapping Application to Protect Source Waters (DWMAPS)
  • Tribal Source Water Protection Projects
  • Preparing for Emergencies
  • Resources

Funding Info

Paper boat with dollar bill for a sail
  • Source Water Protection Funding
  • FITS: Funding Integration Tool for Source Water
  • Webinars on Source Water Protection Funding
  • Drinking Water State Revolving Fund Case Studies
  • Leveraging SRF Funds Fact Sheet and Case Study

Related Topics

  • Sole source aquifers
  • Underground injection control wells
  • Per- and Polyfluoroalkyl Substances (PFAS)
  • Cyanotoxins in Drinking Water
  • Harmful Algal Blooms
  • Salt
  • Private wells
  • Ambient Water Quality Criteria to Address Nutrient Pollution in Lakes and Reservoirs
  • Nutrient Scientific Technical Exchange Partnership & Support (N-STEPS) Online
  • Advancing Watershed Protection through Land Conservation: A Guide for Land Trusts (PDF)

EPA Regional Contacts

Map of the US, split into EPA regionsRegion 1: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont Region 2: New Jersey, New York, Puerto Rico, US Virgin Islands Region 3: Delaware, District of Columbia, Maryland, Pennsylvania, Virginia, West Virginia Region 4: Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, South Carolina, Tennessee Region 5: Illinois, Indiana, Michigan, Minnesota, Ohio, Wisconsin Region 6: Arkansas, Louisiana, New Mexico, Oklahoma, Texas Region 7: Iowa, Kansas, Missouri, Nebraska Region 8: Colorado, Montana, North Dakota, South Dakaota, Utah, Wyoming Region 9: Arizona, California, Hawaii, Nevada, Pacific Islands Region 10: Alaska, Idaho, Oregon, Washington
  • Regional Source Water Coordinators
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on March 24, 2025
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