Phosphorus Monitoring and Removal | Webinar

The Essentials of Phosphorus Removal in Wastewater

YSI experts, Laura St. Pierre and Benjamin Barker, review phosphorus removal strategies in municipal wastewater applications. This educational webinar is about 50 minutes with 10 minutes for Q&A. At the conclusion of the webinar, attendees are eligible to receive a certificate awarding 0.1 CEUs from the International Association for Continuing Education and Training (IACET). IACET CEUs are often transferable, so check with your local association to see if IACET credit is accepted.


Phosphorus, primarily existing as phosphate, is a nutrient of concern for many wastewater operators. NPDES permitting has placed effluent phosphorus limits on Water Resource Recovery Facilities (WRRFs) to protect our lakes and rivers from eutrophication. To meet these limits operators need to implement processes to remove phosphorus. However, phosphorus occurs in several different forms throughout the wastewater process, and understanding its distribution is vital to monitoring and removal.

One important tool for phosphorus removal is an online orthophosphate analyzer for monitoring effluent orthophosphate and controlling phosphorus removal strategies. Chemical removal, enhanced biological phosphorus removal (EBPR), and tertiary filtration are the common strategies for removing phosphorus from wastewater, each having its own advantages and disadvantages. This webinar will describe these phosphorus removal strategies, demonstrate how online orthophosphate analyzers can benefit the removal process, and review several case studies of successfully implemented phosphorus removal strategies at WRRFs.

Attendees will be able to:

  • Describe how phosphorus behaves in wastewater and why we want to remove it.
  • Differentiate between phosphorus removal strategies and discuss the pros and cons of each.
  • Apply online orthophosphate monitoring to phosphorus removal applications.

Learn more about the IQ SensorNet online monitoring and control system.

Explore additional CEU approved on-demand webinars to help improve your wastewater operations. 

Additional Resources of Interest:

On-Demand Training: Applications for Monitoring ORP

Free White Paper Download: The Phosphorus Problem

8 WWTPs Improve Their Process with Continuous Data

Online Analyzer for Continuous Monitoring of Orthophosphate