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This list of stormwater-related events and workshops is compiled as a free service. Washington Stormwater Center does not promote, endorse, or otherwise recommend any of the companies, individuals, or organizations presented here.

EPA’s Water Quality Modeling Webinar: “Introduction to AQUATOX” - Wednesday, June 12 (10:00am)

EPA’s Water Quality Modeling Workgroup is hosting a series of webinars to help water quality professionals better understand surface water quality modeling and how models can be used to solve common problems that face water quality regulators. The webinars are focused on modeling as it applies to the Total Maximum Daily Load (TMDL), Standards, and Water Quality Permitting Programs, but they are applicable to a wide range of audiences. These two-hour webinars cover everything from modeling basics (e.g., model setup and calibration) to applied water quality modeling of different pollutants.

The webinar, titled “Introduction to AQUATOX”, is scheduled for Wednesday June 12th at 1pm Eastern.

This webinar will introduce AQUATOX, an ecological risk model for aquatic systems. The model predicts the fate of various pollutants, including nutrients, sediments and organic chemicals, and their effects on aquatic ecosystems. AQUATOX is a valuable tool for ecologists, biologists, water-quality modelers, and anyone performing ecological risk assessments for aquatic ecosystems. This webinar will describe the model framework and sub-models with a focus on nutrients and algae, including case studies. The webinar will also cover organic-chemical bioaccumulation and toxicity including the PFAs submodel as well as a discussion of the future of the model and its development as a web-service as part of the EPA hydrologic micro services project.

Speaker: Jonathan Clough, Warren Pinnacle Consulting

Registration is required and is now available at:

For more information, contact the modeling workgroup (Water_Modeling_Workgroup@epa.gov).Please be sure to view system requirements prior to the webcast.