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Nitrogen Training Material

This training material was developed to bring low cost operational tools to operators to enable them to evaluate and optimize nitrogen removal at their treatment facilities.

The training was originally developed specifically to help operators who operate facilities that discharge to the Long Island Sound. Over recent years the Long Island Sound has experienced low dissolved oxygen levels (hypoxia), leading to more stringent total nitrogen permit limits for municipal wastewater treatment facilities that discharge to the Long Island Sound.

The training program consists of five modules which include the following subject areas:

  • Forms of Nitrogen,
  • Water Quality Impacts,
  • Nitrogen in Wastewater,
  • Nitrification Fundamentals,
  • Denitrification Fundamentals,
  • Operating Strategies for Nitrification,
  • Operating Strategies for Denitrification,
  • Plant Evaluations,
  • Troubleshooting,
  • Fixed Film Operating Strategies, and
  • Optimizing Fixed Film Plants


This training was originally started in 1996, when the New York State Department of Environmental Conservation Division of Water contracted with Stearns & Wheler, LLC Environmental Engineers & Scientists and the State University of New York at Morrisville to develop and deliver the training program "Controlling Nitrogen Discharge From Municipal Wastewater Treatment Plants."

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