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Video Series: Process Control Technical Assistance for Small Mechanical WWTPs

  • 11 April 2023
  • ckearns

Geared toward plant owners and operators of smaller systems with flow of less than 1 million gallons per day
Mar 6, 2023

A four-part video series available from the U.S. Environmental Protection Agency (EPA) focuses on improving CWA-NPDES permit compliance at Small Mechanical Wastewater Treatment Systems (WWTPs).

The videos are intended for plant owners and operators of smaller systems with flow of less than 1 million gallons per day, but they are also beneficial for WWTP owners and operators, design engineers, municipal leaders, NPDES technical assistance providers, permit writers, and compliance staff from state, local, tribal, and federal governments.

The videos, hosted by Jon VanDommelen from Ohio EPA, demonstrate the use of process control tools to help small wastewater treatment systems either return to compliance or maintain compliance. VanDommelen walks through each treatment unit, identifies tools and equipment that can help operators diagnose operational problems, and then demonstrates how to use the tools in a troubleshooting exercise.

These technical assistance videos were developed to support small mechanical WWTP operators across the country and are part of EPA's Significant-Noncompliance (SNC) National Compliance Initiative (NCI), which strives to improve surface water quality by assuring that all NPDES permittees are complying with their permits.

The series comprises the following parts:

Part 1: Introduction - provides and introduction and overview of the training material.
Part 2: Wastewater Treatment Plant Walkthrough - provides background and an overview of WWTP process units such as the equalization basin, aeration tank, clarifier, and more.
Part 3: Tools and Equipment - focuses on the tools and equipment used to diagnose and troubleshoot WWTP operation issues.
Part 4: Troubleshooting - focuses on sampling, measurement, and analysis techniques that can be used to troubleshoot WWTP issues.

SOURCE: Adapted from Arizona DEQ daily digest bulletin

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