National Organizations

• Water Environment Federation
• US Environmental Protection Agency
• American Water Works Association
• US Geological Survey
• National Weather Service - Central Region
• National Small Flows Clearinghouse
• US Army Corps of Engineers - Mississippi Valley Division
• US Department of Agriculture - Rural Utilities Service
• Association of Metropolitan Sewerage Agencies
• American Public Works Association
• Water Technology
• National Great River Research and Education Center

State and Local Organizations

• Illinois Environmental Protection Agency
• Illinois Section American Water Works Association
• Local Government Environmental Assistance Network
• Illinois Pollution Control Board
• Illinois Association of Wastewater Agencies
• Illinois Department of Agriculture
• Illinois Department of Natural Resources
• Illinois Lake Management Association
• Environmental Resources Training Center
• Illinois Municipal League
• Illinois Association of Water Pollution Control Operators
• Illinois Groundwater Association
  

Water Environment Education

• Get to Know H₂O