Water Quality & Environment

• Agricultural Drainage: Water Quality Impacts and Subsurface Drainage Studies in the Midwest — Ohio State University Extension Bulletin
• Nitrogen and the Hydrologic Cycle — Ohio State University Extension Bulletin
• Soil Compaction And Drainage — Ohio State University Extension Bulletin
• Minnesota DNR's Wetlands Page
• Wetlands and Water Quality — North Carolina State University Extension Publication
• U.S. EPA Region 5 Water Quality Standards (website)
• Hypoxia in the Gulf of Mexico (2.7MB PDF) 2007 IA-MN Drainage Forum presentation, D. Lemke)
• Geomorphic Characteristics of Drainage Ditches in Southern Minnesota, and the concept of a Two-Stage Ditch Design (490KB PDF) 2007 IA-MN Drainage Forum presentation, Brad Hansen, Bruce Wilson, Joe Magner, and John Nieber
• Wetland Restorations for Hydrology and Water Quality (1.1MB PDF) 2007 IA-MN Drainage Forum presentation, K. Kuehner
• Streamflow Changes in the Upper Mississippi River Basin (1MB PDF) 2007 IA-MN Drainage Forum presentation, K. Schilling
• Quantifying the Long-term Effect of Management on N loss and Corn Production (296KB PDF) 2007 IA-MN Drainage Forum presentation, R. Malone
• Questions and Answers about Drainage Water Management for the Midwest (546 KB PDF) Purdue University, University of Minnesota, Iowa State University, University of Missouri, University of Illinois, The Ohio State University, and USDA-Agricultural Research Service