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 Purdue University, University of Minnesota, Iowa State University, University of Missouri, University of Illinois, The Ohio State University, and USDA-Agricultural Research Service