Alliance for the Chesapeake Bay
American Rivers
American River Conservancy
American Rivers Association of Metropolitan Water Agencies
American Water Works Association
Center for Rural Affairs
Chesapeake Bay Program
Grand Excursion
Izaak Walton League
The Land Stewardship Project
National Rural Water Association
River Network

State

Big River
Citizen Collaborative for Watershed Sustainability
Friends of the Chicago River
Friends of the Fox River
Friends of the Upper Mississippi River Refuges
Friends of the Mississippi
Friends of the Prairie River
Great River Greening
Grand Excursion 2004
Illinois Public Interest Research Group
Iowa Citizen Action Network
Iowa Natural Heritage Foundation
Iowa Public Interest Research Group
The Land Stewardship Project
Minnesotans for Sustainability
Minnesota Public Interest Research Group
Missouri Public Interest Research Group
Missouri Unified Watershed Assessment
Missouri Watershed Information Network
National Governors' Association Center for Best Practices
Prairie Rivers Network
Rivers, Creeks and Sensibilities, formerly Riverway Consensus Standard Foundation
The Rivers Council of Minnesota
Watershed Committee of the Ozarks