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Water: Nutrients

Additional Resources

Highlights
Photo of a rocky shore.

Source: James B. Hyde

This page offers background information on agriculture, algal blooms, hypoxia, nitrogen, and phosphorus. You will also find links to training opportunities, teaching resources, EPA webcasts, and opportunities to take action.

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Agriculture

Harmful Algal Blooms

Harmful Algal Blooms - State Information

Hypoxia

Research on Nitrogen and Phosphorus Pollution

Training Opportunities

Wastewater Treatment

EPA Webcasts

Archived versions of EPA's webcasts dealing with numeric criteria for nitrogen/phosphorus pollution are available on the Watershed Academy webcast archives page.

  • Nitrogen and Phosphorus Pollution Series: State and Local Policies to Restrict the Use of Lawn Fertilizers, September 21, 2011
    Ron Strauss, Research Scientist, Minnesota Department of Agriculture; Bevin Buchheister, Maryland Director, Chesapeake Bay Commission; Dr. John Lehman, Professor of Ecology and Evolutionary Biology; University of Michigan
  • Nitrogen and Phosphorus Pollution Series: Nitrate in Ground Water, March 29, 2011 
    Jill Jonas, Director, Bureau of Drinking Water and Groundwater, Wisconsin Department of Natural Resources;
    Audrey Eldridge, Coordinator for the Southern Willamette Valley Groundwater Management Area, Oregon Department of Environmental Quality; Neil M. Dubrovsky, PhD, Chief, Nutrients and Trace Elements National Synthesis Project, National Water Quality Assessment (NAWQA), U.S. Geological Survey
  • Nitrogen and Phosphorus Pollution and Harmful Algal Blooms in Lakes, January 26, 2011
    Ken Wagner, Water Resource Manager, Water Resources LLC, Wilbraham, MA; Russ Gibson, Nonpoint Source Program Manager, Ohio Environmental Protection Agency
  • Managing Nutrients in the National Estuary Program, March 1, 2010
    Holly Greening, Executive Director, Tampa Bay Estuary Program; Kimberly Paulsen, Peconic Estuary Program Coordinator, Suffolk County New York Department of Health Services; Ed Lewandowski, Executive Director, Delaware Center for the Inland Bays
  • National Lakes Assessment: Reporting on the Condition of the Nation's Lakes, January 5, 2010
    Sarah Lehmann, Team Leader for National Aquatic Resource Surveys, Monitoring Branch, EPA's Office of Water; Neil C. Kamman, Chief, Water Quality Monitoring, Assessment and Planning, Vermont Department of Environmental Conservation
  • An Urgent Call to Action: Nutrient Innovations Task Group Report, December 1, 2009
    Ephraim S. King, Director, Office of Science and Technology, in EPA's Office of Water; Craig Cox, Midwest Vice President, Environmental Working Group; Walter L. Baker, Director, Utah Division of Water Quality, Utah Department of Environmental Quality
  • Moving Forward on Gulf Hypoxia, October 7, 2008
    Benjamin H. Grumbles, Assistant Administrator for Water, U.S. EPA; Nancy Rabalais, Ex. Director and Professor, Louisiana Universities Marine Consortium; Darrell Brown, Associate Director, Oceans and Coastal Protection Division, U.S. EPA; John Kessler, Assistant Chief, Division of Soil and Water Conservation, Ohio Department of Natural Resources
  • Managing Nutrients in Your Backyard and Your Community, March 19, 2008
    Steve Potts, Acting Nitrogen and Phosphorus Pollution Criteria Team Leader, U.S. EPA; Ondine Wells, Statewide Builder and Developer Coordinator, Florida Yards and Neighborhoods; Mona Menezes, Stormwater Educator, City of Columbia, Missouri
  • Implementing TMDLs and Trading Through the National Estuary Program, February 21, 2007
    Darrell Brown, Chief, USEPA's Coastal Management Branch; Mark Tedesco, Director, USEPA's Long Island Sound Office; Gary Johnson, Senior Environmental Engineer, Connecticut Department of Environmental Protection (DEP)

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