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  2. Polluted Runoff: Nonpoint Source (NPS) Pollution

Nonpoint Source Pollution Technical Exchange Webinars

How to Attend the Webinars

EPA is using Microsoft Teams and Zoom to host our Nonpoint Source Tech Exchange Forums.  Once you have registered, you will receive an email with information to access the  event. 

Webcasts will be recorded and posted below once available. 

The Nonpoint Source (NPS) Technical Exchange Forum  is a series of webisodes covering  a broad variety of NPS topics.   

On this page: 

  • Upcoming Webcasts
  • Past Webcasts

Upcoming Webcast(s):

  • May 14th, 2:00-3:30 PM Eastern: Watershed Financing Partnerships 
    • Don Waye, EPA Office of Water 

    • Kris Dozark, South Dakota Department of Agriculture & Natural Resources 

    • Jay Gilbertson, East Dakota Water Development District 

    • Paul Hunt, Portland Water District 

  • Register Here 

Past Webcasts

  • Social Science, March 18, 2025 
    • Glenn O’Neil, Michigan State University 
    • Bob Sweet, Michigan Department of Environment, Great Lakes, and Energy 
    • Autum Mitchell, Michigan Department of Environment, Great Lakes, and Energy 
    • Maria Teresa Tancredi, University of Georgia 
  • Wetlands – Assessment, Prioritization, and Research, November 6th, 2024
    • Gregg Serenbetz, EPA Office of Water
    • Michaela Lambert, Kentucky Division of Water 
    • Justin Murdock, Tennessee Tech University
  • EPA Climate Resilience and Adaptation Planning Resources, September 24, 2024

    • Emily Eisenhauer, EPA Office of Research and Development
    • Nash Keyes, EPA ORISE Office of Water
    • Keely Maxwell, EPA Office of Research and Development
    • Raven Nee, EPA Office of Research and Development
    • Maureen Shacklette, EPA Office of Research and Development
    • Corinne Wiesner-Friedman, EPA Office of Research and Development
  • Introduction to Tribal NPS Programs - Tribal Spotlights & Partnership Opportunities (video), June 10, 2024

    • Steve Epting, EPA HQ
    • Craig Tangren, Leech Lake Band of Ojibwe
    • Rainee Tetreault, Eastern Band of Cherokee Indians
    • Rishi Bastakoti, North Carolina Department of Environmental Quality
  • Successes and Resources for Dam Removal and Fish Passage (video), March 20, 2024

    • Jeff Lerner, EPA HQ
    • Steve Landry, NH Department of Environmental Services
    • Michele Tremblay, New Hampshire Rivers Council
    • Margaret Stebbins, EPA Region 8
    • John Vile, NJ Department of Environmental Protection
  • Opportunities to Expand NPS Management with Department of Defense Partnership Programs (video), January 18, 2024

    • Elise Turrietta, ORISE
    • Andrew Porth, REPI Director for Projects and Resources
    • Chris Baillie, PhD, Eastern North Carolina Sentinel Landscapes Partnership Resilience/Climate Adaptation Coordinator
    •  Shannon Wettstein, Morrison MN SWCD Manager
  • Impacts of Wildfire on Water Quality and Nonpoint Source Management (video) September 28, 2023

    • Alan Klatt, New Mexico Environment Department
    • Charles Rhoades, PhD, US Forest Service
    • Krista Mendelman, EPA Region 10
  • Stormwater Management Research Updates (video) March 22, 2023

    • Adrienne Donaghue, PhD, USEPA
    • Erica Forgione, PhD, University of Maryland
    • Erica McKenzie, PhD, Temple University
    • Lauren McPhillips, PhD, Penn State University
  • Source Water Protection in NPS Management (video) January 31, 2023

    • Daniella Rossi, USEPA
    • Lynn Thorp, Clean Water Action
    • Tatiana Davila, Nebraska Department of Environment and Energy
    • Katie Basiotis, Kansas Department of Health and Environment
  • Advancing Watershed Protection Through Land Conservation (video) November 10, 2022

    • Abigail Weinberg, Open Space Institute
    • Alec King, NRCS Agricultural Conservation Easement Program - Agricultural Land Easements (ACEP-ALE)
    • Becky Roark, Beaver Watershed Alliance
    • Grady Spann, Northwest Arkansas Land Trust
  • Water Quality Data Enhancements and Visualization (video) September 27, 2022

    • Jeff Allenby, Lincoln Institute of Land Policy
    • Laura Shumway, USEPA
    • Jacob Greif, USEPA
    • Cristina Mullin, USEPA
    • Kyle Onda, Lincoln Institute of Land Policy
  • Monitoring: Research and Program Updates (video) May 31, 2022

    • John Bullough, USDA
    • Leif Olmanson, University of Minnesota
    • Paul Thomas, US EPA
    • Joseph Ziobro, US EPA
  • Watershed Planning: Research, Coordination, and Implementation (video) March 29, 2022

    • Brian Fontenot, US EPA Region 6
    • Ethan Kunard, Montana Watershed Coordination Council
    • Deron Muehring, City of Dubuque, Iowa
  • Green Infrastructure and Resilience Projects in the Urban Waters Federal Partnership (video) January 18, 2022

    • Jen Birchfield,  Purdue University NW
    • Amanda Rockler, University of Maryland - Sea Grant Extension
    • Darryl Haddock, West Atlanta Watershed Alliance
  • Watershed Index Online (WSIO) and Recovery Potential Screening (RPS) Tool Tutorial (video) December 14, 2021

    • Miranda Chien-Hale, USEPA
    • Emily Moothart, Cadmus Group
    • Emily Cira, USEPA
    • Andrew Somor, Cadmus Group
  • Social Indicators in Nonpoint Source Management (video) November 16, 2021

    • Bob Sweet, Michigan Department of Environment, Great Lakes and Energy
    • Laura Luchies, Center for Social Research at Calvin University
    • Susan Bryan, Washtenaw County Water Resources Office
    • Steve Hopkins, Iowa Department of Natural Resources
    • Beatrice Jacobo , Fort Mojave Indian Tribe
  • Community Engagement in Nonpoint Source Work (video) September 14, 2021

    • Lubna Ahmed, Groundwork Denver 
    • Chauncey Means, Division of Environmental Protection Confederated Salish & Kootenai Tribes
  • Latest in Stormwater Research (video) July 13, 2021

    • Tom Ballestero, University of New Hampshire
    • Andy Erikson, St. Anthony Falls Laboratory
    • James Houle, University of New Hampshire
    • Bridget Wadzuk, Villanova University

References shared during webisode (pdf) (122.35 KB)

  • ​Getting to Success in Idaho’s North Fork Coeur d’Alene River Basin: The Team Behind the Progress  (video) May 24, 2021
    • Kajsa Eagle Van de Riet, Idaho Dept. of Environmental Quality (DEQ)
    • Wade Jerome, U.S. Forest Service
    • Ed Lider, U.S. Forest Service (Retired)
  • Applied Protection Approaches at the Watershed Scale (video) March 23, 2021
    • Peter Vincent, Michigan Department of Environment, Great Lakes and Energy 
    • Jennifer Buchanan,  Tip of the Mitt Watershed Council
    • Wendy Garland, Maine Department of Environmental Protection
  • Citizen Science and Monitoring(video)  A National NonPoint Source National Workshop Prequel, October 27 2020 

    • 30 Years of Citizen Science Water Quality Monitoring in Texas: Challenges, Solutions, and Lessons Learned
      Jenna Walker, Deputy director of Watershed Services, The Meadow Center for Water and the Environment
    • Arkansas Stream Team: 25 Years Lessons Learned and a Vision for the Future,
      Tate Wentz, Stream Team Coordinator, Arkansas Fish and Game Commission
    • Volunteer Monitoring and Water Quality Education in Oklahoma during COVID-19 and Beyond
      Rebecca Bond, PhD, Director of Blue Thumb, Oklahoma Conservation Commission
       
  • Introduction to STEPL 4.4b  (video) presented by Tetra Tech Inc. October 7 2020,  and Introduction to STEPL 4.4,(video) presented by Tetra Tech Inc. on March 20, 2018. The webcast provided an overview of  STEPL and how to use it. STEPL is a planning-level spreadsheet model intended to facilitate the estimation of nutrient and sediment load reductions associated with Clean Water Act Section 319 projects at a HUC-12 watershed scale.  

Polluted Runoff: Nonpoint Source (NPS) Pollution

  • Basic Information
  • Types of NPS Pollution
    • Agriculture
    • Abandoned Mine Drainage
    • Forestry
    • Hydromodification and Habitat Alteration
    • Marinas and Boating
    • Highways and Bridges
    • Urban Areas
    • Wetland/Riparian Management
  • Success Stories
  • Using a Watershed Approach
  • Webinars
  • Technical Guidance and Tools
  • Nonpoint Source News-Notes
  • NPSINFO Discussion Forum
  • National NPS Monitoring Program
  • Coastal Zone Act Reauthorization Amendments (CZARA)
  • Grants Reporting and Tracking System (GRTS)
  • 319 Grant program for States and Territories
  • Tribal 319 Grant Program
  • Contacts for NPS Programs
  • Resources for Students and Educators
    • Darby Duck, the Aquatic Crusader
    • Word Search Puzzle
    • What's Wrong with This Picture?
Contact Us about Nonpoint Source Pollution
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on April 2, 2025
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