Contact Us

Potomac River Basin Drinking Water Source Protection Partnership

For general information, contact the Interstate Commission on the Potomac River Basin by email or by telephone at 301-984-1908.

Members of DWSPP include water suppliers and government agencies throughout the Potomac River basin. Learn more about the organizations on the Who We Are page.

For specific information about special topics or workgroup activities, contact:

  • Agricultural Workgroup
  • Contaminants of Emerging Concern Workgroup
    • Chair: Bradley Schmitz, Loudoun Water
    • Subcommittee: Microplastics
    • Subcommittee: PFAS
  • Early Warning and Emergency Response Workgroup
  • Reaching Out Workgroup 
  • Urban and Industrial Issues Workgroup 
  • Water Quality Workgroup
  • Land Prioritization Implementation Workgroup
    • Chair: Mike Nardolilli, Interstate Commission on the Potomac River Basin