Skip to content
  • There are no suggestions because the search field is empty.

Next Webinar: Disinfectant Residual Control in Water Distribution Systems 

April 18, 2024 at 1 PM EST (U.S.)

What to expect:

  • Background on the importance of controlling disinfectant residual levels in water systems
    • Prevalence of low residual related MCL violations
    • AWWA 2017 Disinfection Survey results
  • Nitrification
    • Role of nitrifying bacteria in the destruction of water quality (chloramine systems)
    • Operational procedures currently used to stave-off nitrification
    • Importance of temperature on water quality
  • The Breakpoint Curve – Understanding Fluctuating Residual Levels in Networks
    • A simple explanation to a lot of chlorine based residual chemistry
    • Requirements to controlling setpoint on a breakpoint curve
  • Equipment options and equipment form factors
    • Roles of tank mixing, chemical feed, real-time water quality analysis and feedback algorithms
  • Case Studies:
    • Automatic control of chloramine residuals in water networks
    • Automatic control of chloramine residuals in water networks with multiple tanks
    • Controlling free-chlorine residual versus chloramine residual 

Who Should Attend:

  • Water system managers
  • Operators
  • Engineers


Tom Caulfield
Senior Product Manager, Residual Control Systems, PSI Water Technologies, Inc. 

Tom Caulfield is the Senior Product Manager for the Residual Control products; a suite of technologies designed to monitor and boost disinfectant chemicals in drinking water distribution systems. Tom worked as a Senior Supervisor of Operations at Aqua Pennsylvania for 4 years where he was responsible for 60 well stations and 75 distribution system storage tanks. He began his career with the Pennsylvania Department of Environmental Protection as a Water System Inspector where he helped municipalities maintain compliance with state and federal drinking water quality regulations. Tom has a B.S. in biology from Temple University in Philadelphia.


Sign up for the webinar (Free)