Expired “Principles of the Activated Sludge Process” IN-PERSON Workshop, Arlington, WA; WW CEU

  •  May 1, 2024
     8:00 AM - 4:00 PM
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Event Phone: 360-490-2426


Registration Deadline: 5 pm April 24th, 2024

Register early to avoid workshop cancellation



The activated sludge process utilizes aeration and biological floc composed of microorganisms to treat sanitary and industrial wastewater. This process is applied in a wide variety of systems including conventional activated sludge treatment plants, oxidation ditches, sequencing batch reactors, and package plants.


This “Principles of the Activated Sludge Process” workshop is designed to provide you with the fundamental understanding of the processes, components, and microbiology applied in the activated sludge process. We will:

  • explain the terminology, treatment conditions, and challenges commonly found in the wastewater industry
  • discuss the components and equipment commonly used in activated sludge systems and explain their functions
  • describe the microbiological and chemical processes taking place in the activated sludge treatment process
  • explore process control parameters commonly monitored in activated sludge operations
  • examine strategies for operating varies treatment designs and modes applying variations of the conventional activated sludge process
  • share tips for troubleshooting your treatment system


This workshop is designed to be an interactive class so please bring questions, problems, and scenarios you encountered at your facility to discuss throughout the day.


This “Principles of the Activated Sludge Process” workshop will provide you with an essential understanding of the principles and processes applied in activated sludge treatment systems. This class is also accepted as training towards obtaining or maintaining your wastewater operator certification.



Date: 05/01/2024

Time: 8:00am to 4:00pm

Where: City of Arlington, 154 W Cox Ave, Arlington, WA

Fee: $260

Instructor: David Stoops

Registration: online: www.pro-train.org; phone: 360-490-2426; email: erika@pro-train.org

Contact: erika@pro-train.org or (360) 490-2426


Meets professional growth criteria for wastewater.

Professional Training Association is actively seeking approval from other states. All of our classes meet professional growth criteria and continuing education requirements for wastewater. For those classes that are currently undergoing review by the individual states and have not received official approval yet, please contact us for more information.


Approved for Wastewater CEUs and/or Training credits in the following states (0.7 CEUs or 7.0 Training Credits):

Approved water & wastewater training in OR 


For more information on training approval in your state please call: (360)490-2426



Refreshments provided by Professional Training Association.

Meals (breakfast, lunch, & dinner) must be provided by workshop participants.


More information on the registration process, online meeting links, and certificates of completion





Venue Phone: 360-403-3526

154 W Cox Ave, Arlington, Washington, United States