Introduction to Watershed Modeling - Online

Introduction to Watershed Modeling - Online

Introduction to Watershed Modeling Course - ONLINE

April 15, 2020
9:00 a.m. – 5:00 p.m.


Course Presentations:

This training has reached capacity. To join the waitlist, please contact Nathan Glavy-

The free online workshop will provide watershed coordinators with an introduction to watershed modeling and cover models available for use. Participants will gain an understanding of what model is needed for watershed protection planning, how modeling fits into 9 Elements, and the resources needed to take the next steps.

The models and tools the course will cover include: load duration curves (LDC), Spreadsheet Tool for Estimating Pollutant Load (STEP-L), Generalized Watershed Loading Function (GWLF), P8 urban catchment model (P8-UCM), Soil and Water Assessment Tool (SWAT), SELECT- Spatially Explicit Load Enrichment Calculation Tool, Agricultural Non-Point Source Pollution Model (AGNPS), Hydrologic Simulation Program - FORTRAN (HSPF), and Storm Water Management Model (SWMM). There will also be a demonstration of the Hydrologic and Water Quality System (HAWQS) Model.

Training topics include:

  • Purposes and limitations of different models
  • Timelines
  • Data needs (watershed characterization, water quality information)
  • Cost estimates
  • Literature values vs. monitoring
  • Quality Assurance Project Plans (QAPPs)
  • HAWQS Model Demonstration
  • Presenting models to stakeholders


Dr. Raghavan Srinivasan is a professor in the Departments of Ecosystem Science and Management and Biological and Agricultural Engineering at Texas A&M University. Srinivasan is one of the developers of SWAT and travels around the world teaching SWAT workshops.

Dr. Lucas Gregory currently serves as a senior research scientist for the Texas Water Resources Institute. In this role, he develops effective and efficient projects and provides leadership for multiple watershed assessment, planning and implementation projects, focusing on water quality impairments in rural Texas water bodies.

Nathan Glavy currently serves as an Extension program specialist for the Texas Water Resources Institute. Glavy works on the development and execution of watershed planning projects and trainings, the watershed coordinator development program, and the water quality and riparian education programs. He also provides leadership for various research and extension projects, working with university faculty, state, local and federal government agencies and stakeholders, to address statewide water-related issues.

More information is available at the website or by contacting Glavy at 979.458.5915 or

The Texas Watershed Planning education program is managed by the Texas Water Resources Institute, part of Texas A&M AgriLife Research AgriLife Extension and College of Agriculture at Texas A&M University. The program is funded through a Clean Water Act Section 319 nonpoint source grant provided by the Texas State Soil and Water Conservation Board and U.S. Environmental Protection Agency.

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