Initial planning of the Delaware River Basin Focus Area Study was conducted in coordination with over 60 stakeholder groups. Annual stakeholder update meetings were held to continue aligning FAS efforts with the needs of the stakeholders. Groups participating in the FAS stakeholder meetings included:
- Aquatic Conservancy Unlimited
- Chester County Water Resources Authority
- City of Camden
- City of Trenton
- City of Wilmington
- Columbia University
- Cornell University
- Delaware Department of Natural Resources and Environmental Control
- Delaware Geological Survey
- Delaware Health and Social Services
- Delaware River Basin Commission
- Delaware River Masters Office
- Delaware Riverkeeper Network
- Friends of the Upper Delaware River
- Hazen and Sawyer P.C.
- National Park Service
- National Weather Service/Eastern Region
- New Jersey Geological Survey
- New York City Department of Environmental Protection
- New York State Geological Survey
- New Jersey Dept of Environmental Protection
- North Delaware River Watershed Conservancy, Ltd.
- NPS Delaware Water Gap National Recreational Area
- NPS Upper Delaware Scenic & Recreational River
- NYC Dept of Environmental Protection
- NYS Dept of Environmental Conservation
- NYS Water Resources Institute
- Partnership for the Delaware Estuary
- Pennsylvania Dept of Conservation & Natural Resources
- Pennsylvania Dept of Environmental Protection
- Pennsylvania State Meteorology & Atmospheric Sciences
- Philadelphia Water Department
- Rutgers University
- The Mid-Atlantic Equine Medical Center
- The Nature Conservancy
- The Pennsylbania State University
- Trout Unlimited
- U.S. Fish and Wildlife Service
- University of Delaware
- Upper Delaware Council
- US Army Corps of Engineers
- US Environmental Protection Agency
- US Fish & Wildlife Service
- Water Resources Associaton of the DRB
- Water Resources Institute at Cornell University
