Cooperators
Federal
State
- Iowa Department of Transportation
- Iowa DNR Geological Survey
- Iowa State University
- University of Iowa
- University of Iowa Water Plant
- UI Institute of Hydraulic Research
- City of Ames
- City of Bloomfield
- City of Cedar Falls
- City of Cedar Rapids
- City of Charles City
- City of Clinton
- City of Coralville
- City of Davenport
- City of Decorah
- City of Des Moines
- City of Des Moines Water Works
- City of Fort Dodge
- City of Iowa City
- City of Marshalltown
- City of North Liberty
- City of Palo
- City of Sioux City
- City of Waterloo
- City of Waverly
- County of Buchanan
- Linn County Planning and Development
- Tribal, Sac and Fox Tribe of the Mississippi in Iowa.