Tag: Industrial Users

Pretreatment Program – P2

As the name suggests, Pollution Prevention (P2) is the program/practice of reducing or eliminating the use of toxic substances at the source by modifying the production process which helps to reduce the amount of pollutants released into the environment. One objective of the Pretreatment Program is to promote recycling and reclamation of municipal, industrial wastewater […]


In my previous blog post, I talked specifically about Categorical Industrial User (CIU) Reporting Requirements and schedule for reporting. In continuation of that, this blog entry focuses upon the Reporting Requirements for all Significant Industrial Users (SIUs). Periodic Compliance Report (40 CFR 403.12(h)): The Periodic Compliance Report must be submitted by SIUs at least once […]

Pretreatment Program – Reporting Requirements by Industrial Users (IUs)

Demonstration of compliance requires certain Industrial Users (IUs) to submit and maintain reports. Since POTWs are responsible for receiving and analyzing reports including communicating applicable standards to IUs, these requirements are also important for POTWs. In this blog, part of a series, I will talk about Categorical Industrial User (CIU) Reporting Requirements: Baseline Monitoring Report […]

Detailed Re-evaluation of Local Limits

This month’s blog is a continuation of my previous blog on detailed re-evaluation of local limits. Re-evaluation of local limits must be carried out periodically to ensure protective limits and operation and POTWs may wish to review local limits when preparing their annual Pretreatment Program Reports. However, a detailed re-evaluation is necessary when there is […]


For those of you following along, I update my blog on a monthly basis and discuss various aspects of Kentucky’s Pretreatment Program.   You can see previous entries here.  In this installment, I will discuss types of Industrial Users subject to Pretreatment Standards and Limits. Significant Industrial User (SIU) is defined as any of the following: An Industrial […]